Literature DB >> 21588185

Tetra-kis(4-cyano-pyridine)-palladium(II) bis-(trifluoro-methane-sulfonate).

Rafael A Adrian, David M Gonzalez, Edward R T Tiekink, Judith A Walmsley.   

Abstract

The title salt, [Pd(C(6)H(4)N(2))(4)](CF(3)SO(3))(2), comprises Pd(4-cyano-pyridine)(4) dications balanced by two trifluoro-methane-sulfonate anions. The Pd(II) atom lies in a square-planar geometry defined by four N atoms which form equivalent Pd-N inter-actions. The 4-cyano-pyridine ligands are twisted out of the N(4) plane, forming dihedral angles ranging from 66.5 (2) to 89.9 (2)°. In the crystal packing, columns of edge-to-edge dications define channels in which reside the anions. A range of C-H⋯N and C-H⋯O hydrogen-bonding interactions stabilizes the crystal packing.

Entities:  

Year:  2010        PMID: 21588185      PMCID: PMC3007218          DOI: 10.1107/S1600536810027704

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


Related literature

For related palladium(II) complexes with 4-cyano­pyridine, see: Kopylovich et al. (2009 ▶); Lang et al. (2006 ▶); Taher et al. (2006 ▶).

Experimental

Crystal data

[Pd(C6H4N2)4](CF3O3S)2 M = 820.99 Monoclinic, a = 18.550 (4) Å b = 9.2993 (19) Å c = 20.688 (4) Å β = 114.55 (3)° V = 3246.1 (14) Å3 Z = 4 Mo Kα radiation μ = 0.79 mm−1 T = 153 K 0.20 × 0.20 × 0.20 mm

Data collection

Rigaku AFC12/SATURN724 diffractometer Absorption correction: multi-scan (ABSCOR; Higashi, 1995 ▶) T min = 0.829, T max = 1.000 12799 measured reflections 5478 independent reflections 5000 reflections with I > 2σ(I) R int = 0.035

Refinement

R[F 2 > 2σ(F 2)] = 0.048 wR(F 2) = 0.128 S = 1.14 5478 reflections 442 parameters H-atom parameters constrained Δρmax = 1.05 e Å−3 Δρmin = −0.74 e Å−3 Data collection: CrystalClear (Molecular Structure Corporation & Rigaku, 2005 ▶); cell refinement: CrystalClear; data reduction: CrystalClear; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008 ▶); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008 ▶); molecular graphics: ORTEP-3 (Farrugia, 1997 ▶) and DIAMOND (Brandenburg, 2006 ▶); software used to prepare material for publication: publCIF (Westrip, 2010 ▶). Crystal structure: contains datablocks global, I. DOI: 10.1107/S1600536810027704/ez2223sup1.cif Structure factors: contains datablocks I. DOI: 10.1107/S1600536810027704/ez2223Isup2.hkl Additional supplementary materials: crystallographic information; 3D view; checkCIF report
[Pd(C6H4N2)4](CF3O3S)2F(000) = 1632
Mr = 820.99Dx = 1.680 Mg m3
Monoclinic, P21/cMo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2ybcCell parameters from 4545 reflections
a = 18.550 (4) Åθ = 2.4–26.7°
b = 9.2993 (19) ŵ = 0.79 mm1
c = 20.688 (4) ÅT = 153 K
β = 114.55 (3)°Block, pale-yellow
V = 3246.1 (14) Å30.20 × 0.20 × 0.20 mm
Z = 4
Rigaku AFC12K/SATURN724 diffractometer5478 independent reflections
Radiation source: fine-focus sealed tube5000 reflections with I > 2σ(I)
graphiteRint = 0.035
ω scansθmax = 25.0°, θmin = 2.4°
Absorption correction: multi-scan (ABSCOR; Higashi, 1995)h = −22→20
Tmin = 0.829, Tmax = 1.000k = −9→11
12799 measured reflectionsl = −24→22
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.048Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.128H-atom parameters constrained
S = 1.14w = 1/[σ2(Fo2) + (0.0534P)2 + 6.3187P] where P = (Fo2 + 2Fc2)/3
5478 reflections(Δ/σ)max = 0.001
442 parametersΔρmax = 1.05 e Å3
0 restraintsΔρmin = −0.74 e Å3
Geometry. All s.u.'s (except the s.u. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell s.u.'s are taken into account individually in the estimation of s.u.'s in distances, angles and torsion angles; correlations between s.u.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell s.u.'s is used for estimating s.u.'s involving l.s. planes.
Refinement. Refinement of F2 against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F2, conventional R-factors R are based on F, with F set to zero for negative F2. The threshold expression of F2 > 2σ(F2) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F2 are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger.
xyzUiso*/Ueq
Pd0.254695 (18)0.02757 (4)0.766848 (17)0.02851 (14)
S10.39867 (7)0.39076 (14)0.77597 (7)0.0421 (3)
S20.11861 (7)0.66442 (14)0.77812 (7)0.0384 (3)
F10.3763 (3)0.3677 (5)0.6440 (2)0.0951 (14)
F20.4595 (3)0.5294 (4)0.7007 (3)0.0944 (14)
F30.4938 (3)0.3095 (5)0.7191 (2)0.0874 (13)
F4−0.03138 (19)0.7372 (4)0.7237 (2)0.0733 (10)
F5−0.0103 (2)0.5195 (4)0.7061 (3)0.0954 (15)
F60.0144 (2)0.6830 (5)0.64715 (19)0.0856 (12)
O10.3355 (2)0.4938 (4)0.7542 (2)0.0559 (10)
O20.3714 (2)0.2450 (4)0.7711 (2)0.0571 (10)
O30.4674 (2)0.4248 (5)0.8390 (2)0.0701 (13)
O40.1119 (2)0.6364 (5)0.8435 (2)0.0661 (12)
O50.1394 (2)0.8100 (4)0.7697 (2)0.0499 (9)
O60.1616 (2)0.5589 (4)0.7574 (2)0.0545 (10)
N10.3470 (2)−0.0809 (4)0.84066 (18)0.0300 (8)
N20.5954 (3)−0.3914 (7)1.0098 (3)0.0771 (17)
N30.2329 (2)0.1341 (4)0.84253 (19)0.0306 (8)
N40.1540 (3)0.4235 (6)1.0271 (3)0.0672 (14)
N50.1614 (2)0.1304 (4)0.69095 (19)0.0316 (8)
N6−0.0892 (3)0.4022 (6)0.4987 (3)0.0653 (14)
N70.2771 (2)−0.0774 (4)0.69126 (19)0.0318 (8)
N80.3503 (3)−0.3732 (6)0.5062 (2)0.0570 (12)
C10.3401 (3)−0.2230 (5)0.8488 (2)0.0354 (10)
H10.2905−0.26820.82300.042*
C20.4029 (3)−0.3051 (5)0.8936 (2)0.0392 (11)
H20.3966−0.40520.89880.047*
C30.4752 (3)−0.2391 (6)0.9307 (2)0.0380 (11)
C40.4820 (3)−0.0920 (6)0.9233 (2)0.0405 (11)
H40.5310−0.04440.94900.049*
C50.4169 (3)−0.0165 (5)0.8782 (2)0.0349 (10)
H50.42150.08430.87350.042*
C60.5424 (3)−0.3230 (6)0.9757 (3)0.0501 (13)
C70.2062 (3)0.0623 (6)0.8847 (2)0.0399 (11)
H70.2007−0.03920.88040.048*
C80.1865 (3)0.1317 (6)0.9340 (3)0.0437 (12)
H80.16790.07930.96340.052*
C90.1945 (3)0.2796 (5)0.9396 (2)0.0360 (11)
C100.2225 (3)0.3537 (5)0.8974 (2)0.0374 (11)
H100.22880.45520.90110.045*
C110.2414 (3)0.2758 (5)0.8491 (2)0.0364 (11)
H110.26100.32580.81970.044*
C120.1719 (3)0.3602 (6)0.9892 (3)0.0493 (13)
C130.0912 (3)0.0632 (6)0.6598 (3)0.0390 (11)
H130.0869−0.03320.67310.047*
C140.0258 (3)0.1282 (6)0.6098 (3)0.0419 (12)
H14−0.02300.07790.58820.050*
C150.0324 (3)0.2699 (6)0.5912 (2)0.0424 (12)
C160.1042 (3)0.3394 (6)0.6227 (3)0.0460 (12)
H160.10960.43600.61050.055*
C170.1682 (3)0.2669 (5)0.6723 (2)0.0406 (11)
H170.21790.31420.69380.049*
C18−0.0355 (3)0.3426 (6)0.5394 (3)0.0514 (14)
C190.2442 (3)−0.2063 (5)0.6675 (2)0.0383 (11)
H190.2079−0.24500.68450.046*
C200.2615 (3)−0.2836 (6)0.6192 (3)0.0425 (12)
H200.2377−0.37460.60280.051*
C210.3145 (3)−0.2260 (5)0.5948 (2)0.0370 (11)
C220.3479 (3)−0.0935 (6)0.6189 (3)0.0453 (12)
H220.3839−0.05190.60240.054*
C230.3278 (3)−0.0227 (6)0.6675 (3)0.0426 (12)
H230.35090.06840.68470.051*
C240.3344 (3)−0.3078 (6)0.5450 (3)0.0462 (13)
C250.4345 (4)0.4002 (7)0.7071 (4)0.0596 (16)
C260.0176 (3)0.6496 (6)0.7111 (3)0.0548 (14)
U11U22U33U12U13U23
Pd0.0277 (2)0.0264 (2)0.0324 (2)0.00416 (13)0.01340 (16)0.00318 (13)
S10.0410 (7)0.0374 (7)0.0541 (7)−0.0029 (6)0.0259 (6)−0.0035 (6)
S20.0339 (6)0.0349 (7)0.0495 (7)0.0020 (5)0.0202 (5)0.0073 (5)
F10.120 (4)0.117 (4)0.054 (2)−0.012 (3)0.042 (2)−0.002 (2)
F20.125 (4)0.060 (3)0.141 (4)−0.020 (2)0.098 (3)0.008 (2)
F30.105 (3)0.089 (3)0.106 (3)0.034 (3)0.081 (3)0.019 (2)
F40.0419 (18)0.072 (3)0.097 (3)0.0145 (18)0.0206 (18)−0.004 (2)
F50.059 (2)0.055 (2)0.155 (4)−0.0209 (19)0.027 (3)−0.007 (2)
F60.069 (2)0.119 (4)0.053 (2)−0.011 (2)0.0098 (18)−0.002 (2)
O10.051 (2)0.045 (2)0.075 (3)0.0109 (18)0.029 (2)−0.0001 (19)
O20.072 (3)0.038 (2)0.078 (3)−0.0120 (19)0.048 (2)0.0012 (19)
O30.045 (2)0.097 (4)0.063 (3)−0.002 (2)0.017 (2)−0.026 (3)
O40.060 (2)0.092 (3)0.060 (2)0.019 (2)0.038 (2)0.026 (2)
O50.041 (2)0.038 (2)0.066 (2)−0.0062 (16)0.0177 (18)0.0011 (17)
O60.048 (2)0.048 (2)0.074 (3)0.0121 (18)0.032 (2)0.002 (2)
N10.0284 (19)0.031 (2)0.0310 (19)0.0028 (16)0.0124 (16)−0.0009 (16)
N20.047 (3)0.080 (4)0.086 (4)0.017 (3)0.009 (3)0.031 (3)
N30.0274 (18)0.029 (2)0.0354 (19)0.0015 (16)0.0130 (16)0.0055 (16)
N40.080 (4)0.079 (4)0.057 (3)0.001 (3)0.042 (3)−0.014 (3)
N50.032 (2)0.029 (2)0.0340 (19)0.0043 (16)0.0146 (16)0.0028 (16)
N60.058 (3)0.064 (3)0.058 (3)0.018 (3)0.007 (3)0.010 (3)
N70.0269 (19)0.033 (2)0.0353 (19)0.0051 (16)0.0123 (16)0.0062 (17)
N80.063 (3)0.065 (3)0.049 (3)0.010 (3)0.030 (2)−0.005 (2)
C10.032 (2)0.031 (3)0.041 (2)−0.001 (2)0.013 (2)−0.002 (2)
C20.043 (3)0.031 (3)0.039 (3)0.007 (2)0.013 (2)0.002 (2)
C30.035 (3)0.045 (3)0.032 (2)0.011 (2)0.012 (2)0.005 (2)
C40.030 (2)0.051 (3)0.038 (3)−0.003 (2)0.011 (2)0.000 (2)
C50.039 (3)0.032 (3)0.036 (2)−0.001 (2)0.018 (2)0.002 (2)
C60.037 (3)0.055 (4)0.051 (3)0.008 (3)0.011 (2)0.009 (3)
C70.043 (3)0.038 (3)0.040 (3)−0.001 (2)0.019 (2)0.004 (2)
C80.049 (3)0.048 (3)0.040 (3)−0.005 (2)0.025 (2)0.000 (2)
C90.032 (2)0.046 (3)0.029 (2)0.004 (2)0.0117 (19)0.000 (2)
C100.040 (3)0.033 (3)0.038 (2)0.006 (2)0.016 (2)−0.001 (2)
C110.041 (3)0.032 (3)0.041 (3)0.001 (2)0.021 (2)0.006 (2)
C120.052 (3)0.057 (4)0.043 (3)0.001 (3)0.024 (3)−0.003 (3)
C130.039 (3)0.038 (3)0.043 (3)0.005 (2)0.019 (2)0.008 (2)
C140.035 (3)0.048 (3)0.043 (3)0.003 (2)0.016 (2)0.005 (2)
C150.044 (3)0.047 (3)0.036 (2)0.017 (2)0.017 (2)0.003 (2)
C160.053 (3)0.031 (3)0.044 (3)0.005 (2)0.009 (2)0.006 (2)
C170.042 (3)0.034 (3)0.039 (3)0.003 (2)0.009 (2)0.001 (2)
C180.051 (3)0.049 (3)0.046 (3)0.015 (3)0.011 (3)0.002 (3)
C190.043 (3)0.038 (3)0.042 (3)−0.007 (2)0.026 (2)−0.007 (2)
C200.048 (3)0.036 (3)0.046 (3)−0.009 (2)0.022 (2)−0.007 (2)
C210.036 (2)0.040 (3)0.034 (2)0.010 (2)0.014 (2)0.003 (2)
C220.048 (3)0.044 (3)0.055 (3)−0.005 (2)0.032 (3)−0.002 (2)
C230.046 (3)0.036 (3)0.055 (3)−0.007 (2)0.030 (3)−0.005 (2)
C240.049 (3)0.052 (3)0.041 (3)0.008 (3)0.022 (2)0.001 (2)
C250.076 (4)0.044 (4)0.077 (4)−0.003 (3)0.050 (4)0.002 (3)
C260.047 (3)0.044 (3)0.073 (4)−0.007 (3)0.024 (3)−0.002 (3)
Pd—N12.027 (4)C2—H20.9500
Pd—N32.031 (4)C3—C41.388 (7)
Pd—N52.029 (4)C3—C61.437 (7)
Pd—N72.027 (4)C4—C51.373 (7)
S1—O31.430 (4)C4—H40.9500
S1—O11.434 (4)C5—H50.9500
S1—O21.435 (4)C7—C81.377 (7)
S1—C251.808 (6)C7—H70.9500
S2—O41.433 (4)C8—C91.383 (7)
S2—O51.438 (4)C8—H80.9500
S2—O61.439 (4)C9—C101.372 (7)
S2—C261.815 (6)C9—C121.465 (7)
F1—C251.338 (8)C10—C111.392 (6)
F2—C251.313 (7)C10—H100.9500
F3—C251.325 (7)C11—H110.9500
F4—C261.325 (7)C13—C141.366 (7)
F5—C261.304 (7)C13—H130.9500
F6—C261.335 (7)C14—C151.393 (7)
N1—C51.344 (6)C14—H140.9500
N1—C11.345 (6)C15—C161.377 (7)
N2—C61.137 (7)C15—C181.439 (7)
N3—C111.327 (6)C16—C171.379 (7)
N3—C71.346 (6)C16—H160.9500
N4—C121.135 (7)C17—H170.9500
N5—C131.343 (6)C19—C201.373 (7)
N5—C171.347 (6)C19—H190.9500
N6—C181.146 (7)C20—C211.385 (7)
N7—C231.330 (6)C20—H200.9500
N7—C191.342 (6)C21—C221.376 (7)
N8—C241.140 (6)C21—C241.447 (7)
C1—C21.379 (6)C22—C231.377 (7)
C1—H10.9500C22—H220.9500
C2—C31.380 (7)C23—H230.9500
N1—Pd—N787.80 (14)C10—C9—C12118.8 (5)
N1—Pd—N5178.15 (15)C8—C9—C12121.1 (4)
N7—Pd—N590.70 (14)C9—C10—C11118.0 (5)
N1—Pd—N392.21 (14)C9—C10—H10121.0
N7—Pd—N3179.53 (15)C11—C10—H10121.0
N5—Pd—N389.29 (14)N3—C11—C10122.4 (4)
O3—S1—O1116.1 (3)N3—C11—H11118.8
O3—S1—O2115.4 (3)C10—C11—H11118.8
O1—S1—O2113.0 (2)N4—C12—C9179.4 (7)
O3—S1—C25103.2 (3)N5—C13—C14122.4 (5)
O1—S1—C25103.9 (3)N5—C13—H13118.8
O2—S1—C25102.9 (3)C14—C13—H13118.8
O4—S2—O5114.7 (3)C13—C14—C15118.5 (5)
O4—S2—O6115.7 (3)C13—C14—H14120.8
O5—S2—O6113.4 (2)C15—C14—H14120.8
O4—S2—C26103.9 (3)C16—C15—C14119.4 (5)
O5—S2—C26102.8 (2)C16—C15—C18120.5 (5)
O6—S2—C26104.2 (3)C14—C15—C18120.1 (5)
C5—N1—C1119.0 (4)C15—C16—C17119.2 (5)
C5—N1—Pd121.6 (3)C15—C16—H16120.4
C1—N1—Pd119.3 (3)C17—C16—H16120.4
C11—N3—C7119.1 (4)N5—C17—C16121.3 (5)
C11—N3—Pd120.7 (3)N5—C17—H17119.4
C7—N3—Pd120.2 (3)C16—C17—H17119.4
C13—N5—C17119.2 (4)N6—C18—C15179.0 (6)
C13—N5—Pd119.8 (3)N7—C19—C20121.7 (4)
C17—N5—Pd121.0 (3)N7—C19—H19119.1
C23—N7—C19119.3 (4)C20—C19—H19119.1
C23—N7—Pd120.2 (3)C19—C20—C21118.6 (5)
C19—N7—Pd120.4 (3)C19—C20—H20120.7
N1—C1—C2122.0 (4)C21—C20—H20120.7
N1—C1—H1119.0C22—C21—C20119.7 (4)
C2—C1—H1119.0C22—C21—C24121.3 (5)
C1—C2—C3118.8 (5)C20—C21—C24119.1 (5)
C1—C2—H2120.6C21—C22—C23118.3 (5)
C3—C2—H2120.6C21—C22—H22120.8
C2—C3—C4119.2 (4)C23—C22—H22120.8
C2—C3—C6120.0 (5)N7—C23—C22122.3 (5)
C4—C3—C6120.8 (5)N7—C23—H23118.8
C5—C4—C3119.0 (5)C22—C23—H23118.8
C5—C4—H4120.5N8—C24—C21179.4 (6)
C3—C4—H4120.5F2—C25—F3107.5 (5)
N1—C5—C4122.0 (5)F2—C25—F1106.5 (6)
N1—C5—H5119.0F3—C25—F1108.1 (5)
C4—C5—H5119.0F2—C25—S1112.5 (4)
N2—C6—C3178.1 (7)F3—C25—S1111.7 (4)
N3—C7—C8121.9 (5)F1—C25—S1110.2 (4)
N3—C7—H7119.0F5—C26—F4107.6 (5)
C8—C7—H7119.0F5—C26—F6106.6 (5)
C7—C8—C9118.5 (5)F4—C26—F6107.5 (5)
C7—C8—H8120.8F5—C26—S2112.4 (4)
C9—C8—H8120.8F4—C26—S2112.2 (4)
C10—C9—C8120.1 (4)F6—C26—S2110.3 (4)
N7—Pd—N1—C5105.2 (3)Pd—N5—C13—C14178.3 (4)
N3—Pd—N1—C5−74.3 (3)N5—C13—C14—C15−0.7 (7)
N7—Pd—N1—C1−70.1 (3)C13—C14—C15—C160.9 (7)
N3—Pd—N1—C1110.4 (3)C13—C14—C15—C18−179.2 (5)
N1—Pd—N3—C11115.5 (4)C14—C15—C16—C17−0.2 (7)
N5—Pd—N3—C11−65.6 (4)C18—C15—C16—C17179.9 (5)
N1—Pd—N3—C7−67.5 (3)C13—N5—C17—C160.9 (7)
N5—Pd—N3—C7111.5 (3)Pd—N5—C17—C16−177.5 (4)
N7—Pd—N5—C1381.3 (3)C15—C16—C17—N5−0.7 (8)
N3—Pd—N5—C13−99.2 (3)C23—N7—C19—C200.1 (7)
N7—Pd—N5—C17−100.3 (4)Pd—N7—C19—C20−176.4 (4)
N3—Pd—N5—C1779.2 (4)N7—C19—C20—C210.0 (7)
N1—Pd—N7—C23−88.8 (4)C19—C20—C21—C22−0.4 (7)
N5—Pd—N7—C2392.3 (4)C19—C20—C21—C24178.8 (5)
N1—Pd—N7—C1987.7 (4)C20—C21—C22—C230.7 (7)
N5—Pd—N7—C19−91.3 (4)C24—C21—C22—C23−178.5 (5)
C5—N1—C1—C2−1.2 (7)C19—N7—C23—C220.2 (7)
Pd—N1—C1—C2174.3 (3)Pd—N7—C23—C22176.7 (4)
N1—C1—C2—C3−0.5 (7)C21—C22—C23—N7−0.6 (8)
C1—C2—C3—C41.6 (7)O3—S1—C25—F2−62.4 (6)
C1—C2—C3—C6−177.7 (5)O1—S1—C25—F259.2 (6)
C2—C3—C4—C5−1.1 (7)O2—S1—C25—F2177.3 (5)
C6—C3—C4—C5178.2 (4)O3—S1—C25—F358.7 (5)
C1—N1—C5—C41.7 (7)O1—S1—C25—F3−179.7 (4)
Pd—N1—C5—C4−173.6 (3)O2—S1—C25—F3−61.6 (5)
C3—C4—C5—N1−0.6 (7)O3—S1—C25—F1178.8 (4)
C11—N3—C7—C80.7 (7)O1—S1—C25—F1−59.5 (5)
Pd—N3—C7—C8−176.3 (4)O2—S1—C25—F158.5 (5)
N3—C7—C8—C90.2 (7)O4—S2—C26—F5−65.3 (5)
C7—C8—C9—C10−0.9 (7)O5—S2—C26—F5174.8 (5)
C7—C8—C9—C12177.8 (5)O6—S2—C26—F556.3 (5)
C8—C9—C10—C110.6 (7)O4—S2—C26—F456.1 (5)
C12—C9—C10—C11−178.0 (4)O5—S2—C26—F4−63.8 (5)
C7—N3—C11—C10−1.0 (7)O6—S2—C26—F4177.7 (4)
Pd—N3—C11—C10176.1 (3)O4—S2—C26—F6175.9 (4)
C9—C10—C11—N30.3 (7)O5—S2—C26—F656.0 (5)
C17—N5—C13—C14−0.2 (7)O6—S2—C26—F6−62.5 (5)
D—H···AD—HH···AD···AD—H···A
C4—H4···N8i0.952.563.489 (8)166
C5—H5···O20.952.443.159 (6)132
C7—H7···O5ii0.952.523.202 (6)129
C8—H8···N6iii0.952.533.441 (8)160
C13—H13···O5ii0.952.333.134 (7)141
C16—H16···N6iv0.952.613.403 (8)142
C22—H22···O3v0.952.523.170 (7)126
C23—H23···O20.952.343.163 (7)145
Table 1

Selected bond lengths (Å)

Pd—N12.027 (4)
Pd—N32.031 (4)
Pd—N52.029 (4)
Pd—N72.027 (4)
Table 2

Hydrogen-bond geometry (Å, °)

D—H⋯AD—HH⋯ADAD—H⋯A
C4—H4⋯N8i0.952.563.489 (8)166
C5—H5⋯O20.952.443.159 (6)132
C7—H7⋯O5ii0.952.523.202 (6)129
C8—H8⋯N6iii0.952.533.441 (8)160
C13—H13⋯O5ii0.952.333.134 (7)141
C16—H16⋯N6iv0.952.613.403 (8)142
C22—H22⋯O3v0.952.523.170 (7)126
C23—H23⋯O20.952.343.163 (7)145

Symmetry codes: (i) ; (ii) ; (iii) ; (iv) ; (v) .

  2 in total

1.  A short history of SHELX.

Authors:  George M Sheldrick
Journal:  Acta Crystallogr A       Date:  2007-12-21       Impact factor: 2.290

2.  Single-pot template transformations of cyanopyridines on a Pd(II) centre: syntheses of ketoimine and 2,4-dipyridyl-1,3,5-triazapentadiene palladium(II) complexes and their catalytic activity for microwave-assisted Suzuki-Miyaura and Heck reactions.

Authors:  Maximilian N Kopylovich; Jamal Lasri; M Fátima C Guedes da Silva; Armando J L Pombeiro
Journal:  Dalton Trans       Date:  2009-03-02       Impact factor: 4.390

  2 in total

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