Literature DB >> 21201842

cis,trans-Dicarbonyl-dichlorido[2-(2-pyrid-yl)-1,8-naphthyridine-κN,N]ruthenium(II).

Dai Oyama, Takashi Hamada.   

Abstract

The asymmetric unit of the title compound, [RuCl(2)(C(13)n class="Species">H(9)N(3))(CO)(2)], consists of four crystallographically independent Ru(II) complexes. Each Ru(II) atom is in a distorted octa-hedral environment coordinated by two carbonyl ligands, two Cl atoms and a chelating 2-(2-pyrid-yl)-1,8-naphthyridine (pynp) ligand. The carbonyl ligands are cis to each other, while the Cl atoms are trans. Relatively short inter-atomic distances (2.60-2.67 Å) between the uncoordinated N atom of pynp and the C atom of the carbonyl imply a donor-acceptor inter-action between the pynp and carbonyl ligands.

Entities:  

Year:  2008        PMID: 21201842      PMCID: PMC2960803          DOI: 10.1107/S1600536808003188

Source DB:  PubMed          Journal:  Acta Crystallogr Sect E Struct Rep Online        ISSN: 1600-5368


Related literature

For related synthetic details, see: Anderson et al. (1995 ▶); Campos-Fernandez et al. (2002 ▶). For related structures, see: Haukka et al. (1995 ▶); Tomon et al. (2005 ▶). For related literature on the redox behavior of ruthenium polypyridyl complexes with a n class="Chemical">1,8-naphthyridine ligand, see: Nakajima & Tanaka (1995 ▶); Mizukawa et al. (1999 ▶); Tomon et al. (2005 ▶). For general background on the photochemical reduction of CO2, see: Lehn & Ziesel (1990 ▶).

Experimental

Crystal data

[RuCl2(C13H9N3)(CO)2] M = 435.23 Monoclinic, a = 16.6297 (14) Å b = 21.6048 (14) Å c = 19.0585 (16) Å β = 114.082 (3)° V = 6251.4 (9) Å3 Z = 16 Mo Kα radiation μ = 1.36 mm−1 T = 173 (1) K 0.20 × 0.20 × 0.20 mm

Data collection

Rigaku/MSC Mercury CCD diffractometer Absorption correction: none 49009 measured reflections 14039 independent reflections 12059 reflections with F 2 > 2σ(F 2) R int = 0.063

Refinement

R[F 2 > 2σ(F 2)] = 0.078 wR(F 2) = 0.152 S = 1.50 14038 reflections 829 parameters H-atom parameters constrained Δρmax = 1.43 e Å−3 Δρmin = −1.40 e Å−3 Data collection: CrystalClear (Rigaku/MSC, 2001 ▶); cell refinement: CrystalClear; data reduction: TEXSAN (Rigaku/MSC, 2000 ▶); program(s) used to solve structure: DIRDIF94 (Beurskens et al., 1994 ▶); program(s) used to refine structure: TEXSAN; molecular graphics: ORTEP-3 for Windows (Farrugia, 1997 ▶); software used to prepare material for publication: CrystalStructure (Rigaku/MSC, 2004 ▶). Crystal structure: contains datablocks global, I. DOI: 10.1107/S1600536808003188/is2275sup1.cif Structure factors: contains datablocks I. DOI: 10.1107/S1600536808003188/is2275Isup2.hkl Additional supplementary materials: crystallographic information; 3D view; checkCIF report
[RuCl2(C13H9N3)(CO)2]F000 = 3424.00
Mr = 435.23Dx = 1.850 Mg m3
Monoclinic, P21/nMo Kα radiation λ = 0.71070 Å
Hall symbol: -P 2ynCell parameters from 13888 reflections
a = 16.6297 (14) Åθ = 3.1–27.5º
b = 21.6048 (14) ŵ = 1.36 mm1
c = 19.0585 (16) ÅT = 173 (1) K
β = 114.082 (3)ºPrism, yellow–green
V = 6251.4 (9) Å30.20 × 0.20 × 0.20 mm
Z = 16
Rigaku/MSC Mercury CCD diffractometer12059 reflections with F2 > 2σ(F2)
Detector resolution: 14.62 pixels mm-1Rint = 0.063
ω scansθmax = 27.5º
Absorption correction: noneh = −21→21
49009 measured reflectionsk = −26→28
14039 independent reflectionsl = −24→24
Refinement on F2H-atom parameters constrained
R[F2 > 2σ(F2)] = 0.078  w = 1/[0.001Fo2 + 3σ(Fo2) + 0.5]/(4Fo2)
wR(F2) = 0.152(Δ/σ)max = 0.001
S = 1.50Δρmax = 1.43 e Å3
14038 reflectionsΔρmin = −1.40 e Å3
829 parametersExtinction correction: none
Refinement. Refinement using reflections with F2 > 2.0 σ(F2). The weighted R-factor (wR) and goodness of fit (S) are based on F2. R-factor (gt) are based on F. The threshold expression of F2 > 2.0 σ(F2) is used only for calculating R-factor (gt).
xyzUiso*/Ueq
Ru10.17626 (3)0.20501 (2)0.48235 (2)0.02146 (12)
Ru20.26702 (3)0.52889 (2)0.25696 (2)0.02210 (12)
Ru30.17269 (3)0.18945 (2)−0.02197 (2)0.02201 (12)
Ru40.24140 (3)0.52453 (2)−0.23420 (2)0.02233 (12)
Cl10.06386 (9)0.19503 (6)0.35501 (8)0.0272 (3)
Cl20.29508 (9)0.22208 (6)0.60516 (8)0.0303 (3)
Cl30.37956 (10)0.49259 (7)0.37431 (8)0.0325 (4)
Cl40.15511 (10)0.55566 (7)0.13358 (8)0.0313 (4)
Cl50.06215 (9)0.17790 (7)−0.15037 (8)0.0315 (4)
Cl60.29082 (9)0.20463 (6)0.10162 (8)0.0272 (3)
Cl70.13015 (10)0.55219 (6)−0.35724 (8)0.0315 (3)
Cl80.34896 (9)0.48759 (7)−0.11404 (8)0.0309 (3)
O10.0528 (3)0.1442 (2)0.5419 (2)0.0419 (14)
O20.2435 (3)0.07537 (19)0.4855 (2)0.0370 (13)
O30.1594 (3)0.5568 (2)0.3487 (2)0.0390 (13)
O40.3353 (3)0.6589 (2)0.2864 (2)0.0458 (15)
O50.0451 (3)0.1371 (2)0.0398 (2)0.0490 (15)
O60.2341 (3)0.0586 (2)−0.0194 (2)0.0459 (14)
O70.1349 (3)0.5783 (2)−0.1535 (2)0.0466 (15)
O80.3278 (3)0.6493 (2)−0.2133 (2)0.0496 (15)
N10.2545 (2)0.2500 (2)0.4331 (2)0.0235 (12)
N20.1470 (2)0.3014 (2)0.4864 (2)0.0217 (12)
N30.0393 (3)0.2824 (2)0.5304 (2)0.0273 (13)
N40.3478 (2)0.5031 (2)0.1998 (2)0.0242 (12)
N50.2342 (3)0.4342 (2)0.2289 (2)0.0221 (12)
N60.1209 (3)0.4358 (2)0.2691 (2)0.0270 (13)
N70.2548 (2)0.2286 (2)−0.0705 (2)0.0229 (12)
N80.1508 (2)0.2878 (2)−0.0192 (2)0.0225 (12)
N90.0415 (3)0.2756 (2)0.0245 (2)0.0338 (15)
N100.3154 (3)0.4833 (2)−0.2900 (2)0.0299 (14)
N110.1944 (3)0.4317 (2)−0.2534 (2)0.0237 (12)
N120.0846 (3)0.4522 (2)−0.2121 (2)0.0300 (14)
C10.0986 (4)0.1699 (2)0.5221 (3)0.0287 (16)
C20.2171 (3)0.1240 (2)0.4817 (3)0.0265 (16)
C30.3024 (3)0.2213 (2)0.4009 (3)0.0275 (16)
C40.3575 (3)0.2538 (3)0.3755 (3)0.0328 (17)
C50.3647 (3)0.3165 (3)0.3837 (3)0.0314 (17)
C60.3145 (3)0.3469 (2)0.4158 (3)0.0286 (16)
C70.2584 (3)0.3125 (2)0.4388 (3)0.0251 (15)
C80.1980 (3)0.3408 (2)0.4695 (3)0.0255 (15)
C90.1934 (4)0.4047 (2)0.4771 (3)0.0298 (16)
C100.1364 (4)0.4294 (2)0.5042 (3)0.0312 (16)
C110.0804 (3)0.3891 (2)0.5228 (3)0.0262 (15)
C120.0190 (4)0.4090 (2)0.5517 (3)0.0319 (16)
C13−0.0312 (3)0.3665 (3)0.5673 (3)0.0322 (17)
C14−0.0183 (3)0.3038 (3)0.5565 (3)0.0317 (17)
C150.0888 (3)0.3250 (2)0.5135 (3)0.0212 (14)
C160.1963 (4)0.5453 (2)0.3120 (3)0.0285 (16)
C170.3079 (4)0.6102 (2)0.2762 (3)0.0301 (17)
C180.3990 (3)0.5412 (2)0.1807 (3)0.0274 (15)
C190.4506 (3)0.5218 (3)0.1436 (3)0.0340 (17)
C200.4517 (4)0.4605 (3)0.1271 (3)0.0390 (19)
C210.3998 (4)0.4196 (2)0.1471 (3)0.0357 (18)
C220.3472 (3)0.4423 (2)0.1825 (3)0.0272 (15)
C230.2847 (3)0.4038 (2)0.2001 (3)0.0228 (14)
C240.2748 (4)0.3405 (2)0.1839 (3)0.0289 (16)
C250.2118 (4)0.3078 (2)0.1962 (3)0.0316 (17)
C260.1582 (4)0.3375 (2)0.2271 (3)0.0280 (16)
C270.0924 (4)0.3081 (2)0.2431 (3)0.0364 (18)
C280.0434 (4)0.3433 (3)0.2707 (3)0.0383 (19)
C290.0595 (4)0.4064 (3)0.2827 (3)0.0351 (18)
C300.1705 (3)0.4018 (2)0.2417 (3)0.0247 (15)
C310.0923 (4)0.1593 (2)0.0177 (3)0.0315 (17)
C320.2082 (4)0.1082 (2)−0.0216 (3)0.0285 (16)
C330.2991 (4)0.1963 (3)−0.1035 (3)0.0320 (17)
C340.3558 (4)0.2241 (3)−0.1298 (3)0.041 (2)
C350.3681 (4)0.2869 (3)−0.1227 (3)0.042 (2)
C360.3212 (4)0.3214 (3)−0.0905 (3)0.0381 (19)
C370.2633 (3)0.2914 (2)−0.0657 (3)0.0244 (15)
C380.2055 (3)0.3238 (2)−0.0365 (3)0.0254 (15)
C390.2083 (4)0.3883 (2)−0.0276 (3)0.0358 (18)
C400.1516 (4)0.4168 (2)−0.0026 (3)0.043 (2)
C410.0926 (4)0.3805 (3)0.0156 (3)0.0371 (18)
C420.0311 (5)0.4049 (3)0.0423 (3)0.047 (2)
C43−0.0223 (4)0.3649 (4)0.0575 (3)0.052 (2)
C44−0.0142 (4)0.3012 (3)0.0495 (3)0.045 (2)
C450.0930 (3)0.3147 (2)0.0063 (3)0.0261 (15)
C460.1725 (3)0.5554 (2)−0.1843 (3)0.0277 (16)
C470.2939 (4)0.6024 (3)−0.2205 (3)0.0332 (17)
C480.3730 (4)0.5126 (3)−0.3110 (3)0.041 (2)
C490.4207 (4)0.4819 (4)−0.3452 (3)0.051 (2)
C500.4124 (4)0.4188 (4)−0.3541 (4)0.058 (2)
C510.3538 (4)0.3882 (3)−0.3325 (3)0.049 (2)
C520.3036 (4)0.4213 (3)−0.3025 (3)0.0336 (17)
C530.2367 (3)0.3931 (2)−0.2814 (3)0.0265 (15)
C540.2144 (4)0.3291 (2)−0.2920 (3)0.0367 (18)
C550.1492 (4)0.3065 (2)−0.2738 (4)0.0398 (19)
C560.1030 (4)0.3463 (2)−0.2453 (3)0.0337 (17)
C570.0326 (4)0.3282 (3)−0.2259 (4)0.047 (2)
C58−0.0097 (4)0.3712 (3)−0.2026 (4)0.045 (2)
C590.0205 (4)0.4325 (3)−0.1949 (3)0.0374 (19)
C600.1265 (3)0.4096 (2)−0.2367 (3)0.0260 (15)
H10.29850.17750.39520.033*
H20.39030.23230.35240.039*
H30.40340.33900.36770.038*
H40.31820.39060.42220.034*
H50.23020.43110.46320.036*
H60.13410.47290.51060.037*
H70.01290.45180.56010.038*
H8−0.07430.37890.58520.039*
H9−0.05310.27440.56870.038*
H100.39990.58380.19330.033*
H110.48470.55070.12980.041*
H120.48740.44590.10240.047*
H130.40020.37660.13670.043*
H140.31200.32030.16430.035*
H150.20400.26490.18390.038*
H160.08210.26490.23490.044*
H17−0.00180.32460.28170.046*
H180.02410.42960.30170.042*
H190.29090.1528−0.10890.038*
H200.38630.2000−0.15280.049*
H210.40810.3066−0.13950.050*
H220.32860.3650−0.08540.046*
H230.24950.4121−0.03900.043*
H240.15190.46060.00240.051*
H250.02750.44820.04940.056*
H26−0.06560.38020.07360.063*
H27−0.05110.27450.06290.054*
H280.38150.5558−0.30210.050*
H290.45860.5042−0.36240.062*
H300.44690.3965−0.37490.070*
H310.34760.3446−0.33810.059*
H320.24530.3021−0.31180.044*
H330.13480.2637−0.28030.048*
H340.01550.2860−0.22920.056*
H35−0.05880.3603−0.19170.054*
H36−0.00790.4620−0.17580.045*
U11U22U33U12U13U23
Ru10.0231 (2)0.0193 (2)0.0243 (2)0.00155 (18)0.0120 (2)0.00087 (18)
Ru20.0253 (2)0.0177 (2)0.0249 (2)0.00077 (18)0.0119 (2)−0.00137 (18)
Ru30.0232 (2)0.0202 (2)0.0247 (2)0.00118 (18)0.0120 (2)0.00049 (19)
Ru40.0232 (2)0.0211 (2)0.0242 (2)−0.00135 (18)0.0112 (2)−0.00071 (18)
Cl10.0265 (7)0.0283 (7)0.0276 (7)−0.0001 (5)0.0117 (6)0.0016 (6)
Cl20.0304 (8)0.0308 (7)0.0272 (7)0.0050 (6)0.0094 (6)−0.0026 (6)
Cl30.0310 (8)0.0315 (7)0.0306 (8)−0.0013 (6)0.0080 (6)0.0037 (6)
Cl40.0304 (8)0.0338 (8)0.0299 (8)0.0044 (6)0.0125 (6)0.0054 (6)
Cl50.0285 (7)0.0334 (7)0.0306 (8)−0.0013 (6)0.0099 (6)0.0015 (6)
Cl60.0270 (7)0.0267 (7)0.0276 (7)0.0037 (5)0.0107 (6)−0.0029 (5)
Cl70.0298 (7)0.0307 (7)0.0301 (8)0.0007 (6)0.0084 (6)0.0035 (6)
Cl80.0280 (7)0.0340 (7)0.0285 (8)−0.0010 (6)0.0093 (6)0.0036 (6)
O10.045 (2)0.035 (2)0.059 (3)−0.001 (2)0.036 (2)0.013 (2)
O20.048 (2)0.022 (2)0.043 (2)0.011 (2)0.021 (2)0.0034 (19)
O30.050 (2)0.033 (2)0.050 (2)−0.005 (2)0.036 (2)−0.012 (2)
O40.073 (3)0.024 (2)0.058 (3)−0.013 (2)0.044 (2)−0.009 (2)
O50.040 (2)0.057 (3)0.061 (3)−0.004 (2)0.031 (2)0.023 (2)
O60.061 (3)0.027 (2)0.042 (2)0.012 (2)0.012 (2)0.001 (2)
O70.043 (2)0.049 (3)0.055 (3)−0.004 (2)0.028 (2)−0.024 (2)
O80.064 (3)0.034 (2)0.050 (3)−0.021 (2)0.022 (2)−0.001 (2)
N10.020 (2)0.027 (2)0.026 (2)0.000 (2)0.011 (2)0.000 (2)
N20.021 (2)0.020 (2)0.025 (2)0.0022 (18)0.010 (2)−0.0024 (19)
N30.028 (2)0.028 (2)0.027 (2)0.003 (2)0.012 (2)−0.001 (2)
N40.024 (2)0.023 (2)0.028 (2)0.002 (2)0.013 (2)−0.001 (2)
N50.026 (2)0.018 (2)0.021 (2)0.0011 (19)0.008 (2)0.0019 (19)
N60.025 (2)0.027 (2)0.031 (2)−0.001 (2)0.012 (2)0.000 (2)
N70.019 (2)0.031 (2)0.017 (2)0.003 (2)0.006 (2)0.000 (2)
N80.019 (2)0.023 (2)0.023 (2)0.0040 (19)0.007 (2)−0.0005 (19)
N90.022 (2)0.049 (3)0.032 (2)0.004 (2)0.012 (2)−0.007 (2)
N100.017 (2)0.049 (3)0.025 (2)0.007 (2)0.011 (2)0.002 (2)
N110.027 (2)0.023 (2)0.021 (2)−0.001 (2)0.009 (2)−0.0041 (19)
N120.030 (2)0.029 (2)0.036 (2)−0.002 (2)0.019 (2)0.002 (2)
C10.035 (3)0.027 (3)0.028 (3)0.008 (2)0.018 (2)0.006 (2)
C20.025 (3)0.031 (3)0.022 (3)−0.002 (2)0.008 (2)0.004 (2)
C30.022 (3)0.032 (3)0.031 (3)0.003 (2)0.014 (2)0.001 (2)
C40.024 (3)0.048 (4)0.030 (3)0.008 (2)0.015 (2)0.002 (2)
C50.017 (2)0.050 (3)0.025 (3)−0.004 (2)0.007 (2)0.009 (2)
C60.025 (3)0.034 (3)0.024 (3)−0.001 (2)0.007 (2)0.003 (2)
C70.023 (3)0.025 (2)0.029 (3)0.000 (2)0.012 (2)0.002 (2)
C80.023 (3)0.028 (3)0.025 (3)−0.003 (2)0.009 (2)0.002 (2)
C90.033 (3)0.023 (3)0.033 (3)−0.003 (2)0.014 (2)0.001 (2)
C100.038 (3)0.020 (2)0.033 (3)0.003 (2)0.013 (3)−0.003 (2)
C110.020 (2)0.029 (3)0.025 (3)0.004 (2)0.004 (2)0.000 (2)
C120.033 (3)0.030 (3)0.027 (3)0.013 (2)0.006 (2)−0.002 (2)
C130.026 (3)0.041 (3)0.032 (3)0.004 (2)0.013 (2)−0.005 (2)
C140.024 (3)0.042 (3)0.032 (3)−0.003 (2)0.016 (2)−0.004 (2)
C150.017 (2)0.024 (2)0.020 (2)0.004 (2)0.005 (2)0.000 (2)
C160.035 (3)0.020 (2)0.025 (3)−0.004 (2)0.007 (2)−0.003 (2)
C170.037 (3)0.026 (3)0.036 (3)0.001 (2)0.024 (3)−0.003 (2)
C180.025 (3)0.024 (2)0.031 (3)0.000 (2)0.008 (2)0.003 (2)
C190.021 (3)0.040 (3)0.044 (3)−0.002 (2)0.017 (2)0.004 (3)
C200.030 (3)0.049 (4)0.046 (4)−0.003 (3)0.024 (3)−0.011 (3)
C210.036 (3)0.031 (3)0.046 (4)0.003 (2)0.023 (3)−0.002 (3)
C220.027 (3)0.025 (3)0.026 (3)0.000 (2)0.009 (2)−0.003 (2)
C230.031 (3)0.019 (2)0.018 (2)0.006 (2)0.010 (2)0.000 (2)
C240.034 (3)0.023 (2)0.028 (3)0.001 (2)0.011 (2)−0.002 (2)
C250.043 (3)0.022 (3)0.026 (3)−0.004 (2)0.009 (3)−0.003 (2)
C260.035 (3)0.024 (2)0.021 (3)0.000 (2)0.008 (2)0.005 (2)
C270.040 (3)0.027 (3)0.041 (3)−0.007 (2)0.015 (3)0.002 (2)
C280.032 (3)0.042 (3)0.044 (4)−0.006 (3)0.018 (3)0.006 (3)
C290.034 (3)0.036 (3)0.039 (3)−0.003 (2)0.018 (3)0.006 (2)
C300.025 (3)0.027 (3)0.020 (3)0.001 (2)0.008 (2)0.003 (2)
C310.028 (3)0.035 (3)0.026 (3)0.001 (2)0.005 (2)0.005 (2)
C320.034 (3)0.027 (3)0.021 (3)−0.002 (2)0.007 (2)0.000 (2)
C330.029 (3)0.043 (3)0.024 (3)0.011 (2)0.010 (2)0.000 (2)
C340.026 (3)0.071 (5)0.027 (3)0.020 (3)0.013 (2)0.007 (3)
C350.028 (3)0.065 (5)0.042 (4)−0.001 (3)0.023 (3)0.015 (3)
C360.023 (3)0.052 (4)0.037 (3)−0.007 (2)0.010 (3)0.010 (3)
C370.022 (2)0.031 (3)0.018 (2)−0.001 (2)0.005 (2)0.003 (2)
C380.023 (3)0.025 (2)0.025 (3)−0.003 (2)0.007 (2)−0.002 (2)
C390.038 (3)0.029 (3)0.036 (3)0.002 (2)0.009 (3)0.002 (2)
C400.054 (4)0.024 (3)0.043 (4)0.010 (3)0.013 (3)−0.002 (3)
C410.037 (3)0.037 (3)0.030 (3)0.014 (3)0.006 (3)−0.005 (2)
C420.051 (4)0.052 (4)0.031 (3)0.028 (3)0.010 (3)−0.004 (3)
C430.036 (4)0.085 (6)0.031 (4)0.033 (4)0.008 (3)−0.006 (3)
C440.024 (3)0.078 (5)0.031 (3)0.005 (3)0.009 (3)−0.013 (3)
C450.021 (2)0.031 (3)0.024 (3)0.008 (2)0.007 (2)−0.004 (2)
C460.030 (3)0.021 (2)0.031 (3)−0.004 (2)0.011 (2)−0.002 (2)
C470.031 (3)0.041 (3)0.023 (3)0.001 (2)0.006 (2)0.004 (2)
C480.029 (3)0.065 (4)0.029 (3)0.005 (3)0.012 (3)0.011 (3)
C490.030 (3)0.100 (7)0.029 (3)0.009 (4)0.017 (3)0.013 (4)
C500.035 (4)0.106 (7)0.035 (4)0.021 (4)0.015 (3)−0.009 (4)
C510.044 (4)0.067 (5)0.041 (4)0.015 (3)0.021 (3)−0.009 (3)
C520.026 (3)0.044 (3)0.026 (3)0.011 (2)0.005 (2)−0.008 (2)
C530.030 (3)0.026 (3)0.020 (3)0.011 (2)0.007 (2)0.002 (2)
C540.045 (4)0.028 (3)0.025 (3)0.014 (2)0.002 (3)−0.009 (2)
C550.035 (3)0.024 (3)0.049 (4)−0.003 (2)0.005 (3)−0.006 (3)
C560.038 (3)0.017 (2)0.035 (3)−0.006 (2)0.004 (3)0.002 (2)
C570.034 (4)0.034 (3)0.060 (4)−0.007 (3)0.006 (3)0.020 (3)
C580.031 (3)0.044 (4)0.065 (5)0.002 (3)0.024 (3)0.024 (3)
C590.030 (3)0.041 (3)0.046 (4)0.003 (2)0.020 (3)0.012 (3)
C600.029 (3)0.022 (2)0.021 (3)−0.005 (2)0.004 (2)0.000 (2)
Ru1—Cl12.3933 (12)C20—C211.392 (10)
Ru1—Cl22.3968 (13)C21—C221.394 (10)
Ru1—N12.124 (5)C22—C231.474 (9)
Ru1—N22.148 (4)C23—C241.398 (7)
Ru1—C11.901 (7)C24—C251.361 (10)
Ru1—C21.880 (6)C25—C261.408 (10)
Ru2—Cl32.3883 (13)C26—C271.401 (10)
Ru2—Cl42.3992 (13)C26—C301.416 (8)
Ru2—N42.121 (5)C27—C281.365 (11)
Ru2—N52.129 (4)C28—C291.390 (9)
Ru2—C161.903 (7)C33—C341.375 (11)
Ru2—C171.865 (6)C34—C351.369 (11)
Ru3—Cl52.3996 (13)C35—C361.389 (11)
Ru3—Cl62.3955 (12)C36—C371.394 (10)
Ru3—N72.113 (5)C37—C381.469 (9)
Ru3—N82.160 (4)C38—C391.403 (8)
Ru3—C311.900 (7)C39—C401.365 (11)
Ru3—C321.851 (6)C40—C411.406 (11)
Ru4—Cl72.3955 (13)C41—C421.416 (12)
Ru4—Cl82.3953 (13)C41—C451.434 (9)
Ru4—N102.124 (5)C42—C431.352 (12)
Ru4—N112.128 (4)C43—C441.396 (12)
Ru4—C461.884 (7)C48—C491.383 (12)
Ru4—C471.863 (6)C49—C501.375 (14)
O1—C11.126 (9)C50—C511.372 (13)
O2—C21.129 (7)C51—C521.387 (11)
O3—C161.129 (9)C52—C531.462 (10)
O4—C171.131 (7)C53—C541.425 (8)
O5—C311.136 (9)C54—C551.358 (11)
O6—C321.150 (7)C55—C561.401 (10)
O7—C461.132 (9)C56—C571.419 (11)
O8—C471.140 (8)C56—C601.415 (8)
N1—C31.340 (9)C57—C581.344 (11)
N1—C71.354 (7)C58—C591.402 (9)
N2—C81.331 (8)C3—H10.950
N2—C151.368 (8)C4—H20.950
N3—C141.329 (9)C5—H30.950
N3—C151.357 (8)C6—H40.950
N4—C181.337 (8)C9—H50.950
N4—C221.352 (7)C10—H60.950
N5—C231.345 (8)C12—H70.950
N5—C301.373 (8)C13—H80.950
N6—C291.314 (9)C14—H90.950
N6—C301.357 (8)C18—H100.950
N7—C331.344 (9)C19—H110.950
N7—C371.363 (7)C20—H120.950
N8—C381.335 (8)C21—H130.950
N8—C451.372 (8)C24—H140.950
N9—C441.324 (10)C25—H150.950
N9—C451.344 (9)C27—H160.950
N10—C481.339 (10)C28—H170.950
N10—C521.360 (8)C29—H180.950
N11—C531.336 (8)C33—H190.950
N11—C601.377 (9)C34—H200.950
N12—C591.308 (10)C35—H210.950
N12—C601.348 (8)C36—H220.950
C3—C41.389 (10)C39—H230.950
C4—C51.364 (9)C40—H240.950
C5—C61.386 (10)C42—H250.950
C6—C71.396 (9)C43—H260.950
C7—C81.485 (9)C44—H270.950
C8—C91.392 (8)C48—H280.950
C9—C101.359 (10)C49—H290.950
C10—C111.422 (9)C50—H300.950
C11—C121.411 (10)C51—H310.950
C11—C151.412 (8)C54—H320.950
C12—C131.354 (10)C55—H330.950
C13—C141.400 (9)C57—H340.950
C18—C191.380 (10)C58—H350.950
C19—C201.364 (9)C59—H360.950
Cl1—Ru1—Cl2174.66 (6)C25—C26—C30117.7 (6)
Cl1—Ru1—N187.63 (11)C27—C26—C30117.7 (6)
Cl1—Ru1—N291.66 (10)C26—C27—C28118.2 (5)
Cl1—Ru1—C189.55 (16)C27—C28—C29120.3 (7)
Cl1—Ru1—C292.51 (15)N6—C29—C28123.6 (7)
Cl2—Ru1—N187.24 (11)N5—C30—N6115.4 (5)
Cl2—Ru1—N285.67 (10)N5—C30—C26121.7 (6)
Cl2—Ru1—C195.47 (16)N6—C30—C26123.0 (6)
Cl2—Ru1—C289.65 (15)Ru3—C31—O5175.1 (6)
N1—Ru1—N276.2 (2)Ru3—C32—O6176.9 (5)
N1—Ru1—C1175.1 (2)N7—C33—C34122.2 (6)
N1—Ru1—C297.7 (2)C33—C34—C35119.5 (7)
N2—Ru1—C199.9 (2)C34—C35—C36119.2 (7)
N2—Ru1—C2172.5 (2)C35—C36—C37119.3 (6)
C1—Ru1—C286.4 (2)N7—C37—C36120.5 (6)
Cl3—Ru2—Cl4174.31 (5)N7—C37—C38115.7 (5)
Cl3—Ru2—N488.64 (11)C36—C37—C38123.8 (5)
Cl3—Ru2—N586.68 (10)N8—C38—C37115.6 (5)
Cl3—Ru2—C1688.23 (16)N8—C38—C39122.8 (6)
Cl3—Ru2—C1792.39 (16)C37—C38—C39121.6 (6)
Cl4—Ru2—N487.73 (11)C38—C39—C40119.8 (6)
Cl4—Ru2—N588.21 (11)C39—C40—C41119.1 (6)
Cl4—Ru2—C1695.10 (16)C40—C41—C42124.1 (6)
Cl4—Ru2—C1792.31 (16)C40—C41—C45118.9 (7)
N4—Ru2—N576.7 (2)C42—C41—C45117.0 (6)
N4—Ru2—C16175.2 (2)C41—C42—C43118.2 (7)
N4—Ru2—C1795.3 (2)C42—C43—C44120.3 (8)
N5—Ru2—C1699.5 (2)N9—C44—C43124.3 (7)
N5—Ru2—C17171.9 (2)N8—C45—N9115.9 (5)
C16—Ru2—C1788.6 (3)N8—C45—C41120.3 (6)
Cl5—Ru3—Cl6175.22 (6)N9—C45—C41123.7 (6)
Cl5—Ru3—N787.61 (11)Ru4—C46—O7174.4 (5)
Cl5—Ru3—N893.47 (10)Ru4—C47—O8177.7 (7)
Cl5—Ru3—C3189.95 (16)N10—C48—C49122.1 (7)
Cl5—Ru3—C3290.91 (16)C48—C49—C50119.0 (8)
Cl6—Ru3—N787.61 (11)C49—C50—C51119.2 (8)
Cl6—Ru3—N885.42 (10)C50—C51—C52119.8 (7)
Cl6—Ru3—C3194.82 (16)N10—C52—C51120.7 (6)
Cl6—Ru3—C3289.63 (15)N10—C52—C53115.7 (6)
N7—Ru3—N876.2 (2)C51—C52—C53123.6 (6)
N7—Ru3—C31175.4 (2)N11—C53—C52115.8 (5)
N7—Ru3—C3296.8 (2)N11—C53—C54120.9 (6)
N8—Ru3—C31100.1 (2)C52—C53—C54123.3 (6)
N8—Ru3—C32171.6 (2)C53—C54—C55120.1 (6)
C31—Ru3—C3287.1 (3)C54—C55—C56120.0 (5)
Cl7—Ru4—Cl8174.97 (5)C55—C56—C57125.0 (5)
Cl7—Ru4—N1089.32 (12)C55—C56—C60118.0 (6)
Cl7—Ru4—N1189.08 (11)C57—C56—C60116.9 (6)
Cl7—Ru4—C4691.14 (16)C56—C57—C58119.7 (6)
Cl7—Ru4—C4792.41 (16)C57—C58—C59118.2 (7)
Cl8—Ru4—N1088.85 (12)N12—C59—C58125.1 (7)
Cl8—Ru4—N1185.94 (11)N11—C60—N12115.6 (5)
Cl8—Ru4—C4690.35 (16)N11—C60—C56121.5 (6)
Cl8—Ru4—C4792.45 (16)N12—C60—C56122.9 (6)
N10—Ru4—N1176.5 (2)N1—C3—H1119.1
N10—Ru4—C46175.9 (2)C4—C3—H1119.1
N10—Ru4—C4796.6 (2)C3—C4—H2119.9
N11—Ru4—C4699.4 (2)C5—C4—H2119.9
N11—Ru4—C47172.9 (2)C4—C5—H3120.6
C46—Ru4—C4787.5 (3)C6—C5—H3120.6
Ru1—N1—C3125.2 (4)C5—C6—H4120.4
Ru1—N1—C7116.0 (4)C7—C6—H4120.4
C3—N1—C7118.7 (5)C8—C9—H5119.8
Ru1—N2—C8115.8 (4)C10—C9—H5119.8
Ru1—N2—C15125.5 (3)C9—C10—H6120.6
C8—N2—C15118.2 (4)C11—C10—H6120.6
C14—N3—C15116.9 (5)C11—C12—H7120.3
Ru2—N4—C18125.8 (4)C13—C12—H7120.4
Ru2—N4—C22115.9 (4)C12—C13—H8120.7
C18—N4—C22118.3 (5)C14—C13—H8120.7
Ru2—N5—C23115.6 (3)N3—C14—H9117.7
Ru2—N5—C30125.6 (4)C13—C14—H9117.7
C23—N5—C30118.7 (4)N4—C18—H10118.3
C29—N6—C30117.3 (5)C19—C18—H10118.3
Ru3—N7—C33124.9 (4)C18—C19—H11120.6
Ru3—N7—C37115.9 (4)C20—C19—H11120.6
C33—N7—C37119.1 (5)C19—C20—H12120.5
Ru3—N8—C38115.4 (4)C21—C20—H12120.5
Ru3—N8—C45125.1 (4)C20—C21—H13120.3
C38—N8—C45119.1 (5)C22—C21—H13120.3
C44—N9—C45116.3 (6)C23—C24—H14120.0
Ru4—N10—C48125.7 (4)C25—C24—H14120.0
Ru4—N10—C52115.4 (4)C24—C25—H15120.1
C48—N10—C52118.9 (6)C26—C25—H15120.1
Ru4—N11—C53116.1 (4)C26—C27—H16120.9
Ru4—N11—C60124.4 (4)C28—C27—H16120.9
C53—N11—C60119.4 (4)C27—C28—H17119.9
C59—N12—C60117.0 (5)C29—C28—H17119.8
Ru1—C1—O1173.4 (5)N6—C29—H18118.2
Ru1—C2—O2176.3 (5)C28—C29—H18118.2
N1—C3—C4121.7 (5)N7—C33—H19118.9
C3—C4—C5120.1 (6)C34—C33—H19118.9
C4—C5—C6118.7 (6)C33—C34—H20120.2
C5—C6—C7119.1 (5)C35—C34—H20120.2
N1—C7—C6121.5 (6)C34—C35—H21120.4
N1—C7—C8115.2 (5)C36—C35—H21120.4
C6—C7—C8123.3 (5)C35—C36—H22120.3
N2—C8—C7115.5 (5)C37—C36—H22120.3
N2—C8—C9122.8 (6)C38—C39—H23120.1
C7—C8—C9121.7 (6)C40—C39—H23120.1
C8—C9—C10120.4 (6)C39—C40—H24120.5
C9—C10—C11118.9 (5)C41—C40—H24120.4
C10—C11—C12124.3 (5)C41—C42—H25120.9
C10—C11—C15117.5 (6)C43—C42—H25120.9
C12—C11—C15118.2 (6)C42—C43—H26119.8
C11—C12—C13119.3 (5)C44—C43—H26119.8
C12—C13—C14118.6 (6)N9—C44—H27117.9
N3—C14—C13124.6 (6)C43—C44—H27117.9
N2—C15—N3115.4 (5)N10—C48—H28118.9
N2—C15—C11122.3 (5)C49—C48—H28118.9
N3—C15—C11122.3 (6)C48—C49—H29120.5
Ru2—C16—O3175.1 (4)C50—C49—H29120.5
Ru2—C17—O4177.0 (7)C49—C50—H30120.4
N4—C18—C19123.4 (5)C51—C50—H30120.4
C18—C19—C20118.8 (6)C50—C51—H31120.1
C19—C20—C21119.0 (7)C52—C51—H31120.1
C20—C21—C22119.4 (6)C53—C54—H32119.9
N4—C22—C21121.1 (6)C55—C54—H32119.9
N4—C22—C23115.3 (6)C54—C55—H33120.0
C21—C22—C23123.5 (5)C56—C55—H33120.0
N5—C23—C22115.7 (4)C56—C57—H34120.2
N5—C23—C24122.0 (6)C58—C57—H34120.2
C22—C23—C24122.2 (6)C57—C58—H35120.9
C23—C24—C25120.0 (6)C59—C58—H35120.9
C24—C25—C26119.9 (5)N12—C59—H36117.4
C25—C26—C27124.6 (5)C58—C59—H36117.4
Cl1—Ru1—N1—C3−81.7 (3)C45—N8—C38—C37−178.1 (4)
Cl1—Ru1—N1—C7101.7 (3)C45—N8—C38—C391.9 (7)
Cl1—Ru1—N2—C8−97.1 (3)C44—N9—C45—N8179.7 (4)
Cl1—Ru1—N2—C1591.4 (3)C44—N9—C45—C412.7 (7)
Cl2—Ru1—N1—C399.8 (3)C45—N9—C44—C430.2 (6)
Cl2—Ru1—N1—C7−76.8 (3)Ru4—N10—C48—C49178.0 (4)
Cl2—Ru1—N2—C878.3 (3)Ru4—N10—C52—C51−174.5 (4)
Cl2—Ru1—N2—C15−93.3 (3)Ru4—N10—C52—C534.7 (5)
N1—Ru1—N2—C8−10.0 (3)C48—N10—C52—C513.5 (7)
N1—Ru1—N2—C15178.5 (3)C48—N10—C52—C53−177.2 (4)
N2—Ru1—N1—C3−174.0 (4)C52—N10—C48—C490.2 (7)
N2—Ru1—N1—C79.4 (3)Ru4—N11—C53—C52−6.1 (5)
C2—Ru1—N1—C310.5 (4)Ru4—N11—C53—C54176.1 (3)
C2—Ru1—N1—C7−166.1 (3)Ru4—N11—C60—N125.2 (6)
C1—Ru1—N2—C8173.1 (3)Ru4—N11—C60—C56−175.1 (3)
C1—Ru1—N2—C151.5 (4)C53—N11—C60—N12−177.0 (4)
Cl3—Ru2—N4—C18−99.1 (3)C53—N11—C60—C562.8 (7)
Cl3—Ru2—N4—C2280.1 (3)C60—N11—C53—C52175.9 (4)
Cl3—Ru2—N5—C23−81.4 (3)C60—N11—C53—C54−1.9 (7)
Cl3—Ru2—N5—C3094.7 (3)C59—N12—C60—N11−179.3 (4)
Cl4—Ru2—N4—C1885.3 (3)C59—N12—C60—C560.9 (7)
Cl4—Ru2—N4—C22−95.5 (3)C60—N12—C59—C58−2.2 (8)
Cl4—Ru2—N5—C2396.0 (3)N1—C3—C4—C50.6 (7)
Cl4—Ru2—N5—C30−87.8 (3)C3—C4—C5—C6−1.6 (7)
N4—Ru2—N5—C237.9 (3)C4—C5—C6—C70.0 (6)
N4—Ru2—N5—C30−175.9 (4)C5—C6—C7—N12.6 (7)
N5—Ru2—N4—C18174.0 (4)C5—C6—C7—C8−176.2 (4)
N5—Ru2—N4—C22−6.8 (3)N1—C7—C8—N2−0.9 (6)
C17—Ru2—N4—C18−6.8 (4)N1—C7—C8—C9−178.6 (4)
C17—Ru2—N4—C22172.3 (3)C6—C7—C8—N2177.9 (4)
C16—Ru2—N5—C23−169.1 (3)C6—C7—C8—C90.3 (6)
C16—Ru2—N5—C307.1 (4)N2—C8—C9—C101.4 (7)
Cl5—Ru3—N7—C33−78.0 (3)C7—C8—C9—C10178.9 (4)
Cl5—Ru3—N7—C37103.2 (3)C8—C9—C10—C11−1.6 (7)
Cl5—Ru3—N8—C38−96.3 (3)C9—C10—C11—C12179.7 (5)
Cl5—Ru3—N8—C4591.0 (3)C9—C10—C11—C151.4 (7)
Cl6—Ru3—N7—C33101.9 (3)C10—C11—C12—C13179.9 (3)
Cl6—Ru3—N7—C37−76.8 (3)C10—C11—C15—N2−1.2 (7)
Cl6—Ru3—N8—C3879.1 (3)C10—C11—C15—N3179.2 (4)
Cl6—Ru3—N8—C45−93.7 (3)C12—C11—C15—N2−179.5 (4)
N7—Ru3—N8—C38−9.6 (3)C12—C11—C15—N30.8 (7)
N7—Ru3—N8—C45177.7 (3)C15—C11—C12—C13−1.8 (7)
N8—Ru3—N7—C33−172.2 (4)C11—C12—C13—C142.0 (7)
N8—Ru3—N7—C379.1 (3)C12—C13—C14—N3−1.2 (8)
C32—Ru3—N7—C3312.6 (4)N4—C18—C19—C20−1.8 (8)
C32—Ru3—N7—C37−166.2 (3)C18—C19—C20—C211.0 (8)
C31—Ru3—N8—C38173.2 (3)C19—C20—C21—C220.8 (8)
C31—Ru3—N8—C450.4 (4)C20—C21—C22—N4−2.0 (7)
Cl7—Ru4—N10—C4887.0 (4)C20—C21—C22—C23174.9 (4)
Cl7—Ru4—N10—C52−95.1 (3)N4—C22—C23—N52.0 (6)
Cl7—Ru4—N11—C5396.0 (3)N4—C22—C23—C24178.4 (4)
Cl7—Ru4—N11—C60−86.1 (3)C21—C22—C23—N5−175.0 (4)
Cl8—Ru4—N10—C48−97.7 (4)C21—C22—C23—C241.4 (7)
Cl8—Ru4—N10—C5280.2 (3)N5—C23—C24—C250.9 (7)
Cl8—Ru4—N11—C53−83.3 (3)C22—C23—C24—C25−175.3 (4)
Cl8—Ru4—N11—C6094.6 (3)C23—C24—C25—C26−1.6 (7)
N10—Ru4—N11—C536.5 (3)C24—C25—C26—C27−179.0 (5)
N10—Ru4—N11—C60−175.6 (4)C24—C25—C26—C302.2 (7)
N11—Ru4—N10—C48176.2 (4)C25—C26—C27—C28−177.9 (5)
N11—Ru4—N10—C52−5.9 (3)C25—C26—C30—N5−2.1 (7)
C47—Ru4—N10—C48−5.4 (4)C25—C26—C30—N6177.8 (4)
C47—Ru4—N10—C52172.5 (3)C27—C26—C30—N5179.0 (4)
C46—Ru4—N11—C53−173.0 (3)C27—C26—C30—N6−1.1 (7)
C46—Ru4—N11—C604.9 (4)C30—C26—C27—C280.9 (7)
Ru1—N1—C3—C4−174.6 (3)C26—C27—C28—C29−0.3 (7)
Ru1—N1—C7—C6173.3 (3)C27—C28—C29—N6−0.2 (7)
Ru1—N1—C7—C8−7.7 (5)N7—C33—C34—C35−0.2 (6)
C3—N1—C7—C6−3.5 (6)C33—C34—C35—C36−1.5 (8)
C3—N1—C7—C8175.4 (4)C34—C35—C36—C370.4 (8)
C7—N1—C3—C41.9 (7)C35—C36—C37—N72.2 (7)
Ru1—N2—C8—C79.1 (5)C35—C36—C37—C38−175.0 (4)
Ru1—N2—C8—C9−173.3 (3)N7—C37—C38—N8−0.9 (6)
Ru1—N2—C15—N3−7.9 (5)N7—C37—C38—C39179.1 (4)
Ru1—N2—C15—C11172.4 (3)C36—C37—C38—N8176.5 (4)
C8—N2—C15—N3−179.3 (4)C36—C37—C38—C39−3.5 (7)
C8—N2—C15—C111.0 (6)N8—C38—C39—C40−2.1 (8)
C15—N2—C8—C7−178.7 (4)C37—C38—C39—C40177.9 (5)
C15—N2—C8—C9−1.1 (7)C38—C39—C40—C411.6 (8)
C14—N3—C15—N2−179.7 (4)C39—C40—C41—C42179.8 (5)
C14—N3—C15—C110.1 (5)C39—C40—C41—C45−1.0 (8)
C15—N3—C14—C130.2 (6)C40—C41—C42—C43179.6 (5)
Ru2—N4—C18—C19179.8 (3)C40—C41—C45—N80.8 (7)
Ru2—N4—C22—C21−178.0 (3)C40—C41—C45—N9177.7 (5)
Ru2—N4—C22—C235.0 (5)C42—C41—C45—N8−179.9 (3)
C18—N4—C22—C211.3 (7)C42—C41—C45—N9−3.0 (7)
C18—N4—C22—C23−175.8 (4)C45—C41—C42—C430.4 (7)
C22—N4—C18—C190.6 (7)C41—C42—C43—C442.3 (8)
Ru2—N5—C23—C22−7.9 (5)C42—C43—C44—N9−2.8 (9)
Ru2—N5—C23—C24175.6 (3)N10—C48—C49—C50−3.7 (8)
Ru2—N5—C30—N65.5 (5)C48—C49—C50—C513.3 (9)
Ru2—N5—C30—C26−174.6 (3)C49—C50—C51—C520.3 (7)
C23—N5—C30—N6−178.5 (4)C50—C51—C52—N10−3.8 (8)
C23—N5—C30—C261.4 (6)C50—C51—C52—C53177.0 (5)
C30—N5—C23—C22175.7 (4)N10—C52—C53—N110.9 (6)
C30—N5—C23—C24−0.8 (6)N10—C52—C53—C54178.7 (4)
C29—N6—C30—N5−179.5 (4)C51—C52—C53—N11−179.9 (3)
C29—N6—C30—C260.5 (7)C51—C52—C53—C54−2.1 (8)
C30—N6—C29—C280.1 (6)N11—C53—C54—C550.2 (6)
Ru3—N7—C33—C34−175.9 (3)C52—C53—C54—C55−177.4 (5)
Ru3—N7—C37—C36175.0 (3)C53—C54—C55—C560.7 (8)
Ru3—N7—C37—C38−7.6 (5)C54—C55—C56—C57178.7 (5)
C33—N7—C37—C36−3.9 (6)C54—C55—C56—C600.1 (6)
C33—N7—C37—C38173.6 (4)C55—C56—C57—C58−176.7 (6)
C37—N7—C33—C342.9 (7)C55—C56—C60—N11−1.9 (7)
Ru3—N8—C38—C378.7 (5)C55—C56—C60—N12177.9 (5)
Ru3—N8—C38—C39−171.3 (3)C57—C56—C60—N11179.4 (5)
Ru3—N8—C45—N9−5.9 (6)C57—C56—C60—N12−0.8 (8)
Ru3—N8—C45—C41171.2 (3)C60—C56—C57—C581.9 (8)
C38—N8—C45—N9−178.3 (4)C56—C57—C58—C59−3.0 (9)
C38—N8—C45—C41−1.2 (6)C57—C58—C59—N123.3 (9)
Table 1

Selected bond lengths (Å)

Ru1—Cl12.3933 (12)
Ru1—Cl22.3968 (13)
Ru1—N12.124 (5)
Ru1—N22.148 (4)
Ru1—C11.901 (7)
Ru1—C21.880 (6)
Ru2—Cl32.3883 (13)
Ru2—Cl42.3992 (13)
Ru2—N42.121 (5)
Ru2—N52.129 (4)
Ru2—C161.903 (7)
Ru2—C171.865 (6)
Ru3—Cl52.3996 (13)
Ru3—Cl62.3955 (12)
Ru3—N72.113 (5)
Ru3—N82.160 (4)
Ru3—C311.900 (7)
Ru3—C321.851 (6)
Ru4—Cl72.3955 (13)
Ru4—Cl82.3953 (13)
Ru4—N102.124 (5)
Ru4—N112.128 (4)
Ru4—C461.884 (7)
Ru4—C471.863 (6)
  2 in total

1.  Homologous series of redox-active, dinuclear cations [M(2)(O(2)CCH(3))(2)(pynp)(2)](2+) (M = Mo, Ru, Rh) with the bridging ligand 2-(2-pyridyl)-1,8-naphthyridine (pynp).

Authors:  Cristian Saul Campos-Fernández; Lisa M Thomson; José Ramón Galán-Mascarós; Xiang Ouyang; Kim R Dunbar
Journal:  Inorg Chem       Date:  2002-03-25       Impact factor: 5.165

2.  Electrochemical hydrogenation of [Ru(bpy)2(napy-kappaN)(CO)]2+: inhibition of reductive Ru--CO bond cleavage by a ruthenacycle.

Authors:  Takashi Tomon; Take-Aki Koizumi; Koji Tanaka
Journal:  Angew Chem Int Ed Engl       Date:  2005-04-08       Impact factor: 15.336

  2 in total

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