Literature DB >> 21587812

(1R*,2R*)-1-(4-Chloro-phen-yl)-4-dimethyl-amino-1-(3-meth-oxy-2-naphth-yl)-2-(1-naphth-yl)butan-2-ol.

Ping Liu, Junhai Xiao, Wu Zhong, Song Li, Xiaohong Yang.   

Abstract

In the title compound, C(33)H(32)ClNO(2), the benzene ring is oriented at dihedral angles of 6.23 (5) and 66.44 (5)° with respect to the two naphthalene ring systems. An intra-molecular O-H⋯N hydrogen bond between the hydr-oxy H atom and the amine N atom generates an S(6) ring.

Entities:  

Year:  2010        PMID: 21587812      PMCID: PMC3006773          DOI: 10.1107/S160053681001891X

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


Related literature

For general background and the synthesis of diaryl­quinoline anti-tuberculosis drugs, see: Cohen (2004 ▶), Andries et al. (2005 ▶); Guillemont et al. (2004 ▶).

Experimental

Crystal data

C33H32ClNO2 M = 510.05 Monoclinic, a = 18.712 (5) Å b = 9.135 (2) Å c = 16.369 (4) Å β = 111.991 (4)° V = 2594.2 (11) Å3 Z = 4 Mo Kα radiation μ = 0.18 mm−1 T = 116 K 0.20 × 0.16 × 0.12 mm

Data collection

Rigaku Saturn CCD diffractometer Absorption correction: multi-scan (CrystalClear; Rigaku/MSC, 2005 ▶) T min = 0.965, T max = 0.979 18901 measured reflections 4573 independent reflections 3918 reflections with I > 2σ(I) R int = 0.032

Refinement

R[F 2 > 2σ(F 2)] = 0.036 wR(F 2) = 0.099 S = 1.09 4573 reflections 338 parameters H-atom parameters constrained Δρmax = 0.18 e Å−3 Δρmin = −0.31 e Å−3 Data collection: CrystalClear (Rigaku/MSC, 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: SHELXTL (Sheldrick, 2008 ▶); software used to prepare material for publication: CrystalStructure (Rigaku/MSC, 2005 ▶). Crystal structure: contains datablocks I, global. DOI: 10.1107/S160053681001891X/hb5430sup1.cif Structure factors: contains datablocks I. DOI: 10.1107/S160053681001891X/hb5430Isup2.hkl Additional supplementary materials: crystallographic information; 3D view; checkCIF report
C33H32ClNO2F(000) = 1080
Mr = 510.05Dx = 1.306 Mg m3
Monoclinic, P21/cMo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2ybcCell parameters from 8940 reflections
a = 18.712 (5) Åθ = 2.2–27.9°
b = 9.135 (2) ŵ = 0.18 mm1
c = 16.369 (4) ÅT = 116 K
β = 111.991 (4)°Prism, colorless
V = 2594.2 (11) Å30.20 × 0.16 × 0.12 mm
Z = 4
Rigaku Saturn CCD diffractometer4573 independent reflections
Radiation source: rotating anode3918 reflections with I > 2σ(I)
multilayerRint = 0.032
Detector resolution: 14.63 pixels mm-1θmax = 25.0°, θmin = 2.4°
ω and φ scansh = −19→22
Absorption correction: multi-scan (CrystalClear; Rigaku/MSC, 2005)k = −10→10
Tmin = 0.965, Tmax = 0.979l = −19→19
18901 measured reflections
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.036Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.099H-atom parameters constrained
S = 1.09w = 1/[σ2(Fo2) + (0.0587P)2 + 0.0772P] where P = (Fo2 + 2Fc2)/3
4573 reflections(Δ/σ)max = 0.001
338 parametersΔρmax = 0.18 e Å3
0 restraintsΔρmin = −0.31 e Å3
Geometry. All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds 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 > σ(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
Cl10.08594 (2)−0.07359 (5)0.46621 (2)0.03327 (14)
O10.37601 (6)0.47214 (13)0.67039 (6)0.0280 (3)
O20.15042 (6)0.45626 (11)0.76790 (6)0.0224 (2)
H20.10370.46740.75200.034*
N10.00317 (7)0.54248 (15)0.68199 (8)0.0262 (3)
C10.43816 (10)0.55500 (19)0.66354 (11)0.0350 (4)
H1A0.44970.63570.70400.053*
H1B0.42380.59140.60450.053*
H1C0.48280.49360.67750.053*
C20.38276 (8)0.42853 (16)0.75343 (9)0.0213 (3)
C30.45183 (8)0.39820 (17)0.81939 (9)0.0234 (3)
H30.49710.40670.80880.028*
C40.45519 (8)0.35391 (16)0.90395 (9)0.0220 (3)
C50.52573 (9)0.32564 (17)0.97478 (10)0.0269 (4)
H50.57190.33350.96600.032*
C60.52683 (9)0.28711 (18)1.05574 (10)0.0294 (4)
H60.57360.26861.10150.035*
C70.45778 (9)0.27531 (17)1.07038 (10)0.0287 (4)
H70.45900.24991.12590.034*
C80.38864 (9)0.30102 (17)1.00330 (10)0.0252 (4)
H80.34320.29181.01360.030*
C90.38510 (8)0.34155 (16)0.91827 (9)0.0212 (3)
C100.31462 (8)0.37265 (16)0.84820 (9)0.0211 (3)
H100.26880.36360.85770.025*
C110.31159 (8)0.41579 (15)0.76655 (9)0.0192 (3)
C120.23748 (8)0.45229 (16)0.69006 (9)0.0191 (3)
H120.25300.51430.65070.023*
C130.20123 (8)0.31600 (16)0.63590 (9)0.0190 (3)
C140.17019 (8)0.20240 (17)0.66875 (9)0.0222 (3)
H140.17300.20700.72660.027*
C150.13521 (8)0.08287 (17)0.61745 (9)0.0237 (3)
H150.11400.00870.64020.028*
C160.13221 (8)0.07529 (17)0.53164 (9)0.0227 (3)
C170.16557 (9)0.18162 (17)0.49810 (9)0.0250 (4)
H170.16550.17350.44140.030*
C180.19958 (8)0.30198 (16)0.55077 (9)0.0225 (3)
H180.22170.37480.52820.027*
C190.17914 (8)0.54677 (16)0.71574 (9)0.0205 (3)
C200.21941 (8)0.68257 (16)0.76984 (9)0.0208 (3)
C210.26013 (8)0.79135 (16)0.73961 (9)0.0209 (3)
C220.26584 (8)0.79312 (16)0.65518 (9)0.0214 (3)
H220.24140.71990.61490.026*
C230.30608 (8)0.89908 (17)0.63137 (10)0.0247 (4)
H230.30790.89690.57540.030*
C240.34450 (9)1.01083 (17)0.69010 (11)0.0281 (4)
H240.37251.08130.67380.034*
C250.34029 (8)1.01492 (18)0.77106 (10)0.0271 (4)
H250.36581.08910.81000.033*
C260.29797 (8)0.90910 (17)0.79797 (9)0.0218 (3)
C270.29246 (9)0.92087 (17)0.88158 (10)0.0278 (4)
H270.31650.99790.91890.033*
C280.25203 (9)0.81963 (18)0.90722 (10)0.0293 (4)
H280.24750.82890.96170.035*
C290.21699 (9)0.70118 (17)0.85237 (9)0.0249 (4)
H290.19100.63210.87250.030*
C300.11066 (8)0.59297 (17)0.63159 (9)0.0227 (3)
H30A0.12860.66590.60060.027*
H30B0.09360.50850.59330.027*
C310.04188 (9)0.65525 (17)0.64869 (10)0.0265 (4)
H31A0.05930.73390.69140.032*
H31B0.00530.69590.59440.032*
C32−0.04747 (10)0.6089 (2)0.72092 (11)0.0421 (5)
H32A−0.08680.66450.67690.063*
H32B−0.01800.67250.76820.063*
H32C−0.07100.53360.74330.063*
C33−0.04136 (10)0.44129 (19)0.61219 (11)0.0365 (4)
H33A−0.06700.37140.63550.055*
H33B−0.00730.39100.59000.055*
H33C−0.07890.49510.56530.055*
U11U22U33U12U13U23
Cl10.0334 (2)0.0323 (3)0.0330 (2)−0.00749 (18)0.01111 (19)−0.01273 (17)
O10.0230 (6)0.0368 (7)0.0278 (6)−0.0038 (5)0.0136 (5)0.0018 (5)
O20.0187 (5)0.0247 (6)0.0265 (5)0.0016 (5)0.0115 (5)0.0046 (4)
N10.0195 (7)0.0352 (8)0.0249 (7)0.0038 (6)0.0096 (6)0.0013 (6)
C10.0330 (10)0.0371 (11)0.0395 (9)−0.0092 (8)0.0187 (8)0.0022 (8)
C20.0217 (8)0.0184 (9)0.0253 (8)−0.0019 (6)0.0105 (7)−0.0033 (6)
C30.0173 (8)0.0223 (9)0.0327 (8)−0.0017 (6)0.0119 (7)−0.0057 (7)
C40.0217 (8)0.0162 (8)0.0275 (8)0.0002 (6)0.0085 (7)−0.0060 (6)
C50.0209 (8)0.0237 (9)0.0357 (9)0.0008 (7)0.0101 (7)−0.0085 (7)
C60.0241 (9)0.0263 (10)0.0287 (8)0.0061 (7)−0.0006 (7)−0.0041 (7)
C70.0333 (9)0.0247 (9)0.0253 (8)0.0036 (7)0.0077 (7)0.0000 (7)
C80.0251 (8)0.0233 (9)0.0281 (8)−0.0012 (7)0.0109 (7)−0.0013 (7)
C90.0215 (8)0.0157 (8)0.0254 (8)−0.0008 (6)0.0076 (7)−0.0036 (6)
C100.0187 (8)0.0185 (8)0.0266 (8)−0.0007 (6)0.0092 (7)−0.0013 (6)
C110.0185 (8)0.0147 (8)0.0248 (7)−0.0008 (6)0.0086 (6)−0.0036 (6)
C120.0183 (8)0.0189 (8)0.0219 (7)−0.0003 (6)0.0094 (6)0.0019 (6)
C130.0142 (7)0.0201 (8)0.0217 (7)0.0034 (6)0.0057 (6)0.0015 (6)
C140.0213 (8)0.0248 (9)0.0213 (7)0.0007 (6)0.0090 (6)−0.0001 (6)
C150.0218 (8)0.0218 (9)0.0299 (8)−0.0020 (6)0.0127 (7)0.0004 (6)
C160.0167 (8)0.0240 (9)0.0238 (7)0.0025 (6)0.0034 (6)−0.0049 (6)
C170.0265 (9)0.0279 (9)0.0195 (7)0.0046 (7)0.0072 (7)0.0009 (6)
C180.0225 (8)0.0213 (9)0.0251 (8)0.0030 (6)0.0104 (7)0.0043 (6)
C190.0214 (8)0.0196 (8)0.0231 (7)0.0004 (6)0.0111 (6)0.0028 (6)
C200.0187 (8)0.0212 (9)0.0220 (7)0.0065 (6)0.0071 (6)0.0023 (6)
C210.0186 (8)0.0187 (8)0.0243 (7)0.0052 (6)0.0069 (6)0.0016 (6)
C220.0217 (8)0.0187 (9)0.0240 (7)0.0034 (6)0.0088 (6)0.0002 (6)
C230.0230 (8)0.0249 (9)0.0282 (8)0.0027 (7)0.0118 (7)0.0024 (7)
C240.0242 (9)0.0211 (9)0.0423 (9)−0.0001 (7)0.0163 (7)0.0043 (7)
C250.0210 (8)0.0211 (9)0.0350 (9)0.0009 (7)0.0056 (7)−0.0028 (7)
C260.0177 (8)0.0197 (9)0.0248 (7)0.0056 (6)0.0044 (6)0.0010 (6)
C270.0298 (9)0.0235 (9)0.0263 (8)0.0047 (7)0.0062 (7)−0.0050 (7)
C280.0363 (10)0.0305 (10)0.0214 (8)0.0076 (7)0.0111 (7)−0.0020 (7)
C290.0284 (9)0.0239 (9)0.0262 (8)0.0035 (7)0.0146 (7)0.0021 (7)
C300.0215 (8)0.0231 (9)0.0243 (7)0.0002 (6)0.0097 (7)0.0034 (6)
C310.0235 (8)0.0235 (9)0.0292 (8)0.0051 (7)0.0061 (7)−0.0004 (7)
C320.0301 (10)0.0687 (14)0.0294 (9)0.0167 (9)0.0133 (8)0.0060 (9)
C330.0287 (9)0.0394 (11)0.0402 (10)−0.0052 (8)0.0116 (8)−0.0022 (8)
Cl1—C161.7469 (15)C15—H150.9300
O1—C21.3761 (17)C16—C171.375 (2)
O1—C11.4268 (18)C17—C181.395 (2)
O2—C191.4299 (17)C17—H170.9300
O2—H20.8200C18—H180.9300
N1—C321.4576 (19)C19—C201.546 (2)
N1—C331.463 (2)C19—C301.548 (2)
N1—C311.476 (2)C20—C291.379 (2)
C1—H1A0.9600C20—C211.447 (2)
C1—H1B0.9600C21—C221.4256 (19)
C1—H1C0.9600C21—C261.437 (2)
C2—C31.367 (2)C22—C231.369 (2)
C2—C111.431 (2)C22—H220.9300
C3—C41.421 (2)C23—C241.402 (2)
C3—H30.9300C23—H230.9300
C4—C51.417 (2)C24—C251.357 (2)
C4—C91.421 (2)C24—H240.9300
C5—C61.364 (2)C25—C261.420 (2)
C5—H50.9300C25—H250.9300
C6—C71.404 (2)C26—C271.415 (2)
C6—H60.9300C27—C281.357 (2)
C7—C81.368 (2)C27—H270.9300
C7—H70.9300C28—C291.402 (2)
C8—C91.418 (2)C28—H280.9300
C8—H80.9300C29—H290.9300
C9—C101.415 (2)C30—C311.526 (2)
C10—C111.374 (2)C30—H30A0.9700
C10—H100.9300C30—H30B0.9700
C11—C121.517 (2)C31—H31A0.9700
C12—C131.532 (2)C31—H31B0.9700
C12—C191.567 (2)C32—H32A0.9600
C12—H120.9800C32—H32B0.9600
C13—C181.3881 (19)C32—H32C0.9600
C13—C141.392 (2)C33—H33A0.9600
C14—C151.383 (2)C33—H33B0.9600
C14—H140.9300C33—H33C0.9600
C15—C161.386 (2)
C2—O1—C1117.08 (12)C13—C18—H18119.1
C19—O2—H2109.5C17—C18—H18119.1
C32—N1—C33109.34 (13)O2—C19—C20109.47 (11)
C32—N1—C31111.10 (14)O2—C19—C30108.55 (12)
C33—N1—C31111.54 (12)C20—C19—C30110.76 (12)
O1—C1—H1A109.5O2—C19—C12107.27 (11)
O1—C1—H1B109.5C20—C19—C12110.87 (12)
H1A—C1—H1B109.5C30—C19—C12109.82 (11)
O1—C1—H1C109.5C29—C20—C21117.70 (14)
H1A—C1—H1C109.5C29—C20—C19118.17 (13)
H1B—C1—H1C109.5C21—C20—C19124.12 (12)
C3—C2—O1123.29 (13)C22—C21—C26116.03 (13)
C3—C2—C11121.53 (13)C22—C21—C20125.40 (13)
O1—C2—C11115.18 (12)C26—C21—C20118.56 (13)
C2—C3—C4120.75 (13)C23—C22—C21122.18 (14)
C2—C3—H3119.6C23—C22—H22118.9
C4—C3—H3119.6C21—C22—H22118.9
C5—C4—C9119.03 (13)C22—C23—C24120.99 (14)
C5—C4—C3122.48 (14)C22—C23—H23119.5
C9—C4—C3118.46 (13)C24—C23—H23119.5
C6—C5—C4120.84 (14)C25—C24—C23119.16 (15)
C6—C5—H5119.6C25—C24—H24120.4
C4—C5—H5119.6C23—C24—H24120.4
C5—C6—C7120.38 (14)C24—C25—C26121.81 (15)
C5—C6—H6119.8C24—C25—H25119.1
C7—C6—H6119.8C26—C25—H25119.1
C8—C7—C6120.28 (15)C27—C26—C25119.96 (14)
C8—C7—H7119.9C27—C26—C21120.26 (14)
C6—C7—H7119.9C25—C26—C21119.78 (13)
C7—C8—C9121.03 (15)C28—C27—C26119.90 (15)
C7—C8—H8119.5C28—C27—H27120.0
C9—C8—H8119.5C26—C27—H27120.0
C10—C9—C8122.33 (14)C27—C28—C29120.60 (14)
C10—C9—C4119.22 (13)C27—C28—H28119.7
C8—C9—C4118.43 (13)C29—C28—H28119.7
C11—C10—C9122.17 (14)C20—C29—C28122.92 (14)
C11—C10—H10118.9C20—C29—H29118.5
C9—C10—H10118.9C28—C29—H29118.5
C10—C11—C2117.87 (13)C31—C30—C19114.37 (12)
C10—C11—C12123.90 (13)C31—C30—H30A108.7
C2—C11—C12118.22 (12)C19—C30—H30A108.7
C11—C12—C13111.65 (12)C31—C30—H30B108.7
C11—C12—C19114.39 (12)C19—C30—H30B108.7
C13—C12—C19113.64 (11)H30A—C30—H30B107.6
C11—C12—H12105.4N1—C31—C30111.82 (13)
C13—C12—H12105.4N1—C31—H31A109.3
C19—C12—H12105.4C30—C31—H31A109.3
C18—C13—C14117.61 (14)N1—C31—H31B109.3
C18—C13—C12119.65 (13)C30—C31—H31B109.3
C14—C13—C12122.73 (12)H31A—C31—H31B107.9
C15—C14—C13121.66 (13)N1—C32—H32A109.5
C15—C14—H14119.2N1—C32—H32B109.5
C13—C14—H14119.2H32A—C32—H32B109.5
C14—C15—C16119.00 (14)N1—C32—H32C109.5
C14—C15—H15120.5H32A—C32—H32C109.5
C16—C15—H15120.5H32B—C32—H32C109.5
C17—C16—C15121.13 (14)N1—C33—H33A109.5
C17—C16—Cl1119.99 (11)N1—C33—H33B109.5
C15—C16—Cl1118.87 (12)H33A—C33—H33B109.5
C16—C17—C18118.69 (13)N1—C33—H33C109.5
C16—C17—H17120.7H33A—C33—H33C109.5
C18—C17—H17120.7H33B—C33—H33C109.5
C13—C18—C17121.78 (14)
C1—O1—C2—C3−31.0 (2)C12—C13—C18—C17−178.43 (13)
C1—O1—C2—C11149.34 (14)C16—C17—C18—C130.7 (2)
O1—C2—C3—C4179.86 (13)C11—C12—C19—O2−69.07 (15)
C11—C2—C3—C4−0.5 (2)C13—C12—C19—O260.76 (15)
C2—C3—C4—C5−178.10 (14)C11—C12—C19—C2050.41 (16)
C2—C3—C4—C90.1 (2)C13—C12—C19—C20−179.75 (11)
C9—C4—C5—C60.0 (2)C11—C12—C19—C30173.14 (12)
C3—C4—C5—C6178.22 (15)C13—C12—C19—C30−57.03 (15)
C4—C5—C6—C7−0.2 (2)O2—C19—C20—C29−4.46 (18)
C5—C6—C7—C80.6 (2)C30—C19—C20—C29115.19 (14)
C6—C7—C8—C9−0.7 (2)C12—C19—C20—C29−122.62 (14)
C7—C8—C9—C10−178.28 (15)O2—C19—C20—C21175.08 (12)
C7—C8—C9—C40.5 (2)C30—C19—C20—C21−65.26 (17)
C5—C4—C9—C10178.70 (14)C12—C19—C20—C2156.92 (17)
C3—C4—C9—C100.4 (2)C29—C20—C21—C22−177.28 (14)
C5—C4—C9—C8−0.1 (2)C19—C20—C21—C223.2 (2)
C3—C4—C9—C8−178.39 (14)C29—C20—C21—C262.2 (2)
C8—C9—C10—C11178.18 (14)C19—C20—C21—C26−177.31 (12)
C4—C9—C10—C11−0.6 (2)C26—C21—C22—C231.1 (2)
C9—C10—C11—C20.2 (2)C20—C21—C22—C23−179.36 (14)
C9—C10—C11—C12−179.08 (13)C21—C22—C23—C240.7 (2)
C3—C2—C11—C100.4 (2)C22—C23—C24—C25−1.3 (2)
O1—C2—C11—C10−179.99 (13)C23—C24—C25—C260.0 (2)
C3—C2—C11—C12179.68 (13)C24—C25—C26—C27−177.40 (14)
O1—C2—C11—C12−0.69 (19)C24—C25—C26—C211.9 (2)
C10—C11—C12—C13−87.94 (17)C22—C21—C26—C27176.94 (13)
C2—C11—C12—C1392.80 (15)C20—C21—C26—C27−2.6 (2)
C10—C11—C12—C1942.9 (2)C22—C21—C26—C25−2.3 (2)
C2—C11—C12—C19−136.39 (13)C20—C21—C26—C25178.11 (13)
C11—C12—C13—C18−111.46 (15)C25—C26—C27—C28−179.97 (14)
C19—C12—C13—C18117.34 (14)C21—C26—C27—C280.8 (2)
C11—C12—C13—C1467.65 (17)C26—C27—C28—C291.5 (2)
C19—C12—C13—C14−63.55 (18)C21—C20—C29—C28−0.1 (2)
C18—C13—C14—C15−3.3 (2)C19—C20—C29—C28179.50 (13)
C12—C13—C14—C15177.58 (13)C27—C28—C29—C20−1.9 (2)
C13—C14—C15—C161.0 (2)O2—C19—C30—C3149.88 (17)
C14—C15—C16—C172.2 (2)C20—C19—C30—C31−70.33 (16)
C14—C15—C16—Cl1−178.46 (11)C12—C19—C30—C31166.88 (13)
C15—C16—C17—C18−3.1 (2)C32—N1—C31—C30164.04 (13)
Cl1—C16—C17—C18177.63 (11)C33—N1—C31—C30−73.70 (16)
C14—C13—C18—C172.4 (2)C19—C30—C31—N1−68.12 (17)
D—H···AD—HH···AD···AD—H···A
O2—H2···N10.821.932.6995 (17)157
Table 1

Hydrogen-bond geometry (Å, °)

D—H⋯AD—HH⋯ADAD—H⋯A
O2—H2⋯N10.821.932.6995 (17)157
  3 in total

1.  A diarylquinoline drug active on the ATP synthase of Mycobacterium tuberculosis.

Authors:  Koen Andries; Peter Verhasselt; Jerome Guillemont; Hinrich W H Göhlmann; Jean-Marc Neefs; Hans Winkler; Jef Van Gestel; Philip Timmerman; Min Zhu; Ennis Lee; Peter Williams; Didier de Chaffoy; Emma Huitric; Sven Hoffner; Emmanuelle Cambau; Chantal Truffot-Pernot; Nacer Lounis; Vincent Jarlier
Journal:  Science       Date:  2004-12-09       Impact factor: 47.728

2.  Medicine. New TB drug promises shorter, simpler treatment.

Authors:  Jon Cohen
Journal:  Science       Date:  2004-12-10       Impact factor: 47.728

3.  A short history of SHELX.

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

  3 in total

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