Literature DB >> 21588187

Tris(2-amino-1,3-thia-zole-κN)(7-oxa-bicyclo-[2.2.1]heptane-2,3-dicarboxyl-ato-κO,O,O)cadmium(II) dihydrate.

Na Wang, Yi-Zhou Wu, Qiu-Yue Lin.   

Abstract

In the crystal structure of the title complex, [Cd(C(8)H(8)O(5))(C(3)H(4)N(2)S)(3)]·2H(2)O, the Cd(II) atom exhibits a slightly distorted octa-hedral CdO(3)N(3) coordination, defined by the bridging O atom of the bicyclo-heptane unit, two O atoms from the carboxyl-ate groups and by three N atoms from three 2-amino-thia-zole ligands. Uncoordinated lattice water mol-ecules are also present in the crystal structure. N-H⋯O and O-H⋯O hydrogen-bonding inter-actions link the components into a three-dimensional structure.

Entities:  

Year:  2010        PMID: 21588187      PMCID: PMC3007392          DOI: 10.1107/S1600536810027170

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


Related literature

For synthetic aspects, see: Yin et al. (2003 ▶). For background to 7-oxabicyclo­(2,2,1) heptane-2,3-dicarb­oxy­lic anhydride (nor­can­tharidin), see: Shimi et al. (1982 ▶).

Experimental

Crystal data

[Cd(C8H8O5)(C3H4N2S)3]·2H2O M = 633.00 Monoclinic, a = 9.6457 (3) Å b = 9.9255 (3) Å c = 25.4653 (9) Å β = 101.980 (2)° V = 2384.91 (13) Å3 Z = 4 Mo Kα radiation μ = 1.23 mm−1 T = 296 K 0.08 × 0.08 × 0.04 mm

Data collection

Bruker APEXII area-detector diffractometer Absorption correction: multi-scan (SADABS; Sheldrick, 1996 ▶) T min = 0.90, T max = 0.95 19757 measured reflections 5480 independent reflections 2777 reflections with I > 2σ(I) R int = 0.100

Refinement

R[F 2 > 2σ(F 2)] = 0.057 wR(F 2) = 0.119 S = 1.01 5480 reflections 319 parameters 6 restraints H atoms treated by a mixture of independent and constrained refinement Δρmax = 0.80 e Å−3 Δρmin = −0.69 e Å−3 Data collection: APEX2 (Bruker, 2006 ▶); cell refinement: SAINT (Bruker, 2006 ▶); data reduction: SAINT; 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: SHELXL97. Crystal structure: contains datablocks I, global. DOI: 10.1107/S1600536810027170/wm2366sup1.cif Structure factors: contains datablocks I. DOI: 10.1107/S1600536810027170/wm2366Isup2.hkl Additional supplementary materials: crystallographic information; 3D view; checkCIF report
[Cd(C8H8O5)(C3H4N2S)3]·2H2OF(000) = 1280
Mr = 633.00Dx = 1.763 Mg m3
Monoclinic, P21/cMo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2ybcCell parameters from 1039 reflections
a = 9.6457 (3) Åθ = 1.6–27.6°
b = 9.9255 (3) ŵ = 1.23 mm1
c = 25.4653 (9) ÅT = 296 K
β = 101.980 (2)°Block, colorless
V = 2384.91 (13) Å30.08 × 0.08 × 0.04 mm
Z = 4
Bruker APEXII area-detector diffractometer5480 independent reflections
Radiation source: fine-focus sealed tube2777 reflections with I > 2σ(I)
graphiteRint = 0.100
φ– and ω–scansθmax = 27.6°, θmin = 1.6°
Absorption correction: multi-scan (SADABS; Sheldrick, 1996)h = −12→12
Tmin = 0.90, Tmax = 0.95k = −12→11
19757 measured reflectionsl = −32→33
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.057Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.119H atoms treated by a mixture of independent and constrained refinement
S = 1.01w = 1/[σ2(Fo2) + (0.0267P)2] where P = (Fo2 + 2Fc2)/3
5480 reflections(Δ/σ)max < 0.001
319 parametersΔρmax = 0.80 e Å3
6 restraintsΔρmin = −0.69 e Å3
Geometry. All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell e.s.d.'s is used for estimating e.s.d.'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 > 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
Cd10.30795 (4)0.70542 (5)0.098525 (16)0.03617 (15)
S10.40386 (19)0.91245 (19)−0.06279 (6)0.0540 (5)
S20.07421 (19)0.28302 (19)0.04108 (8)0.0595 (5)
S30.8009 (2)0.5619 (2)0.15111 (8)0.0719 (6)
O10.4020 (4)0.9069 (4)0.15068 (14)0.0396 (10)
O20.1101 (4)0.8429 (4)0.08458 (15)0.0445 (11)
O3−0.0541 (4)0.9542 (5)0.11418 (16)0.0617 (14)
O40.2421 (5)0.6604 (4)0.17721 (17)0.0540 (12)
O50.1018 (5)0.7150 (5)0.23232 (19)0.0780 (16)
N10.1977 (5)0.9502 (5)−0.00787 (19)0.0523 (15)
H1A0.15650.93210.01820.063*
H1B0.16371.0115−0.03080.063*
N20.3724 (5)0.7869 (5)0.02228 (18)0.0393 (12)
N30.1366 (5)0.4106 (5)0.1357 (2)0.0573 (16)
H3B0.16820.47550.15730.069*
H3C0.09380.34370.14670.069*
N40.2092 (5)0.5071 (5)0.06150 (18)0.0398 (12)
N50.6828 (6)0.8058 (6)0.1457 (3)0.086 (2)
H5B0.61220.86060.14040.104*
H5C0.76800.83640.15400.104*
N60.5362 (5)0.6186 (5)0.12915 (18)0.0429 (13)
C10.1932 (7)0.7435 (7)0.2067 (2)0.0464 (18)
C20.0712 (7)0.9216 (6)0.1179 (2)0.0381 (15)
C30.2499 (6)0.8860 (7)0.2105 (2)0.0426 (16)
H3A0.23690.92560.24440.051*
C40.1826 (6)0.9839 (6)0.1628 (2)0.0401 (15)
H4A0.14201.06260.17740.048*
C50.4063 (6)0.8950 (7)0.2080 (2)0.0450 (17)
H5A0.46250.81830.22480.054*
C60.3141 (6)1.0263 (6)0.1430 (2)0.0442 (16)
H6A0.29371.05900.10590.053*
C70.4675 (8)1.0305 (8)0.2285 (3)0.069 (2)
H7A0.57011.03020.23440.083*
H7B0.43911.05530.26150.083*
C80.4029 (7)1.1250 (7)0.1828 (3)0.061 (2)
H8A0.47531.16850.16740.073*
H8B0.34401.19330.19450.073*
C90.3141 (6)0.8822 (6)−0.0122 (2)0.0368 (15)
C100.5278 (7)0.7915 (7)−0.0356 (2)0.0503 (17)
H10A0.60700.7679−0.04920.060*
C110.4922 (6)0.7378 (6)0.0074 (2)0.0449 (17)
H11A0.54600.66960.02680.054*
C120.1458 (6)0.4122 (7)0.0845 (3)0.0451 (16)
C130.1311 (7)0.3632 (7)−0.0100 (3)0.0530 (18)
H13A0.11620.3322−0.04520.064*
C140.2003 (6)0.4769 (7)0.0078 (2)0.0462 (17)
H14A0.24000.5323−0.01460.055*
C150.6606 (7)0.6740 (7)0.1417 (2)0.0463 (18)
C160.6826 (8)0.4331 (8)0.1364 (3)0.074 (2)
H16A0.70620.34250.13520.088*
C170.5514 (8)0.4817 (8)0.1269 (3)0.064 (2)
H17A0.47310.42500.11900.076*
O1W0.9253 (5)0.2156 (5)0.15966 (19)0.0631 (13)
H10.922 (8)0.211 (6)0.1930 (10)0.095*
H20.926 (8)0.134 (3)0.150 (2)0.095*
O2W0.1155 (7)0.4230 (9)0.2567 (3)0.134 (3)
H30.031 (5)0.395 (10)0.257 (5)0.200*
H40.101 (11)0.503 (6)0.242 (5)0.200*
U11U22U33U12U13U23
Cd10.0370 (3)0.0329 (3)0.0398 (2)0.0016 (2)0.01077 (17)−0.0009 (2)
S10.0660 (12)0.0542 (13)0.0446 (10)−0.0029 (10)0.0177 (9)0.0082 (9)
S20.0546 (11)0.0365 (12)0.0867 (13)−0.0082 (9)0.0132 (10)−0.0094 (10)
S30.0458 (12)0.0877 (18)0.0809 (14)0.0263 (11)0.0097 (10)0.0158 (12)
O10.041 (3)0.037 (3)0.038 (2)0.001 (2)0.0041 (18)0.004 (2)
O20.042 (3)0.043 (3)0.046 (2)0.006 (2)0.004 (2)−0.011 (2)
O30.038 (3)0.080 (4)0.061 (3)0.024 (3)−0.004 (2)−0.011 (3)
O40.068 (3)0.041 (3)0.059 (3)−0.004 (2)0.029 (2)0.002 (2)
O50.088 (4)0.076 (4)0.088 (4)−0.015 (3)0.060 (3)−0.012 (3)
N10.055 (4)0.052 (4)0.049 (3)0.013 (3)0.009 (3)0.013 (3)
N20.046 (3)0.032 (3)0.040 (3)0.004 (3)0.009 (2)0.000 (3)
N30.078 (4)0.040 (4)0.062 (4)−0.014 (3)0.033 (3)0.000 (3)
N40.042 (3)0.034 (3)0.046 (3)0.000 (2)0.013 (2)−0.001 (3)
N50.032 (3)0.055 (5)0.167 (7)−0.012 (3)0.007 (4)0.022 (5)
N60.047 (4)0.034 (4)0.047 (3)0.007 (3)0.008 (2)−0.002 (3)
C10.040 (4)0.062 (6)0.037 (4)0.001 (3)0.008 (3)−0.001 (3)
C20.044 (4)0.028 (4)0.039 (4)0.003 (3)0.002 (3)0.003 (3)
C30.047 (4)0.045 (5)0.035 (3)0.000 (3)0.007 (3)−0.008 (3)
C40.036 (4)0.038 (4)0.046 (4)0.007 (3)0.009 (3)−0.011 (3)
C50.043 (4)0.051 (5)0.035 (3)0.000 (3)−0.006 (3)−0.003 (3)
C60.043 (4)0.026 (4)0.058 (4)−0.001 (3)−0.002 (3)0.002 (3)
C70.068 (5)0.074 (6)0.056 (4)−0.006 (4)−0.011 (4)−0.013 (4)
C80.057 (5)0.041 (5)0.077 (5)−0.011 (4)0.000 (4)−0.013 (4)
C90.043 (4)0.030 (4)0.036 (3)−0.003 (3)0.006 (3)−0.003 (3)
C100.058 (4)0.050 (5)0.048 (4)0.007 (4)0.024 (3)0.004 (4)
C110.046 (4)0.041 (5)0.054 (4)0.001 (3)0.025 (3)−0.002 (3)
C120.039 (4)0.039 (5)0.056 (4)0.002 (3)0.007 (3)0.000 (3)
C130.052 (4)0.049 (5)0.056 (4)−0.010 (4)0.006 (3)−0.013 (4)
C140.049 (4)0.047 (5)0.043 (4)−0.001 (3)0.012 (3)0.001 (3)
C150.035 (4)0.048 (5)0.058 (4)0.008 (3)0.013 (3)0.017 (4)
C160.066 (6)0.058 (6)0.087 (6)0.021 (5)−0.005 (4)−0.016 (4)
C170.049 (5)0.054 (6)0.079 (5)0.005 (4)−0.006 (4)−0.009 (4)
O1W0.073 (3)0.048 (3)0.073 (3)0.014 (3)0.024 (3)0.001 (3)
O2W0.116 (6)0.159 (8)0.120 (5)−0.020 (5)0.011 (5)0.032 (5)
Cd1—O42.268 (4)N6—C151.299 (7)
Cd1—N42.302 (5)N6—C171.369 (8)
Cd1—N22.305 (5)C1—C31.513 (9)
Cd1—O22.312 (4)C2—C41.528 (8)
Cd1—N62.341 (5)C3—C51.526 (8)
Cd1—O12.467 (4)C3—C41.585 (8)
S1—C91.721 (6)C3—H3A0.9800
S1—C101.734 (6)C4—C61.520 (8)
S2—C131.709 (7)C4—H4A0.9800
S2—C121.740 (6)C5—C71.517 (9)
S3—C161.702 (8)C5—H5A0.9800
S3—C151.730 (6)C6—C81.536 (8)
O1—C61.446 (6)C6—H6A0.9800
O1—C51.457 (6)C7—C81.524 (9)
O2—C21.268 (6)C7—H7A0.9700
O3—C21.235 (6)C7—H7B0.9700
O4—C11.270 (7)C8—H8A0.9700
O5—C11.233 (7)C8—H8B0.9700
N1—C91.335 (7)C10—C111.327 (8)
N1—H1A0.8599C10—H10A0.9300
N1—H1B0.8601C11—H11A0.9300
N2—C91.332 (7)C13—C141.342 (8)
N2—C111.378 (7)C13—H13A0.9300
N3—C121.325 (7)C14—H14A0.9300
N3—H3B0.8600C16—C171.328 (9)
N3—H3C0.8600C16—H16A0.9300
N4—C121.323 (7)C17—H17A0.9300
N4—C141.385 (7)O1W—H10.855 (19)
N5—C151.325 (8)O1W—H20.849 (19)
N5—H5B0.8600O2W—H30.86 (6)
N5—H5C0.8601O2W—H40.88 (7)
O4—Cd1—N491.47 (16)C6—C4—H4A109.4
O4—Cd1—N2170.80 (16)C2—C4—H4A109.4
N4—Cd1—N296.67 (17)C3—C4—H4A109.4
O4—Cd1—O283.02 (15)O1—C5—C7101.5 (5)
N4—Cd1—O2100.56 (15)O1—C5—C3102.9 (4)
N2—Cd1—O291.26 (16)C7—C5—C3110.8 (6)
O4—Cd1—N692.84 (16)O1—C5—H5A113.5
N4—Cd1—N695.89 (18)C7—C5—H5A113.5
N2—Cd1—N690.59 (17)C3—C5—H5A113.5
O2—Cd1—N6163.12 (16)O1—C6—C4103.6 (5)
O4—Cd1—O179.80 (14)O1—C6—C8101.7 (5)
N4—Cd1—O1171.27 (14)C4—C6—C8110.3 (5)
N2—Cd1—O192.05 (14)O1—C6—H6A113.4
O2—Cd1—O178.69 (13)C4—C6—H6A113.4
N6—Cd1—O184.48 (15)C8—C6—H6A113.4
C9—S1—C1089.6 (3)C5—C7—C8102.5 (5)
C13—S2—C1289.6 (3)C5—C7—H7A111.3
C16—S3—C1589.0 (4)C8—C7—H7A111.3
C6—O1—C595.5 (4)C5—C7—H7B111.3
C6—O1—Cd1116.9 (3)C8—C7—H7B111.3
C5—O1—Cd1113.9 (3)H7A—C7—H7B109.2
C2—O2—Cd1127.7 (4)C7—C8—C6101.2 (5)
C1—O4—Cd1126.9 (4)C7—C8—H8A111.5
C9—N1—H1A119.3C6—C8—H8A111.5
C9—N1—H1B120.7C7—C8—H8B111.5
H1A—N1—H1B120.0C6—C8—H8B111.5
C9—N2—C11109.5 (5)H8A—C8—H8B109.4
C9—N2—Cd1130.8 (4)N2—C9—N1123.5 (5)
C11—N2—Cd1119.7 (4)N2—C9—S1114.1 (5)
C12—N3—H3B122.2N1—C9—S1122.4 (5)
C12—N3—H3C117.7C11—C10—S1109.4 (5)
H3B—N3—H3C120.0C11—C10—H10A125.3
C12—N4—C14110.1 (5)S1—C10—H10A125.3
C12—N4—Cd1128.1 (4)C10—C11—N2117.4 (6)
C14—N4—Cd1121.7 (4)C10—C11—H11A121.3
C15—N5—H5B120.1N2—C11—H11A121.3
C15—N5—H5C119.9N4—C12—N3125.1 (6)
H5B—N5—H5C120.0N4—C12—S2113.7 (5)
C15—N6—C17109.2 (6)N3—C12—S2121.2 (5)
C15—N6—Cd1133.1 (4)C14—C13—S2110.6 (5)
C17—N6—Cd1116.9 (4)C14—C13—H13A124.7
O5—C1—O4123.9 (7)S2—C13—H13A124.7
O5—C1—C3118.0 (6)C13—C14—N4116.1 (6)
O4—C1—C3118.1 (6)C13—C14—H14A122.0
O3—C2—O2122.1 (5)N4—C14—H14A122.0
O3—C2—C4118.5 (5)N6—C15—N5124.2 (6)
O2—C2—C4119.4 (5)N6—C15—S3114.7 (5)
C1—C3—C5113.5 (5)N5—C15—S3121.0 (5)
C1—C3—C4116.0 (5)C17—C16—S3109.7 (6)
C5—C3—C4100.6 (5)C17—C16—H16A125.1
C1—C3—H3A108.8S3—C16—H16A125.1
C5—C3—H3A108.8C16—C17—N6117.3 (7)
C4—C3—H3A108.8C16—C17—H17A121.3
C6—C4—C2111.7 (5)N6—C17—H17A121.3
C6—C4—C3100.7 (4)H1—O1W—H2104 (3)
C2—C4—C3116.0 (5)H3—O2W—H4103 (10)
O4—Cd1—O1—C6−96.4 (4)C1—C3—C4—C6−122.3 (5)
N2—Cd1—O1—C679.4 (4)C5—C3—C4—C60.7 (6)
O2—Cd1—O1—C6−11.5 (4)C1—C3—C4—C2−1.6 (8)
N6—Cd1—O1—C6169.7 (4)C5—C3—C4—C2121.4 (5)
O4—Cd1—O1—C513.7 (3)C6—O1—C5—C7−57.5 (5)
N2—Cd1—O1—C5−170.6 (3)Cd1—O1—C5—C7179.9 (4)
O2—Cd1—O1—C598.5 (3)C6—O1—C5—C357.3 (5)
N6—Cd1—O1—C5−80.2 (3)Cd1—O1—C5—C3−65.4 (5)
O4—Cd1—O2—C243.2 (5)C1—C3—C5—O189.2 (6)
N4—Cd1—O2—C2133.4 (5)C4—C3—C5—O1−35.5 (6)
N2—Cd1—O2—C2−129.6 (5)C1—C3—C5—C7−163.0 (5)
N6—Cd1—O2—C2−33.4 (8)C4—C3—C5—C772.4 (6)
O1—Cd1—O2—C2−37.7 (5)C5—O1—C6—C4−57.1 (5)
N4—Cd1—O4—C1−139.6 (5)Cd1—O1—C6—C463.2 (5)
O2—Cd1—O4—C1−39.2 (5)C5—O1—C6—C857.4 (5)
N6—Cd1—O4—C1124.4 (5)Cd1—O1—C6—C8177.8 (3)
O1—Cd1—O4—C140.5 (5)C2—C4—C6—O1−89.0 (5)
N4—Cd1—N2—C9103.8 (5)C3—C4—C6—O134.7 (5)
O2—Cd1—N2—C93.0 (5)C2—C4—C6—C8162.8 (5)
N6—Cd1—N2—C9−160.3 (5)C3—C4—C6—C8−73.5 (6)
O1—Cd1—N2—C9−75.8 (5)O1—C5—C7—C835.3 (6)
N4—Cd1—N2—C11−78.4 (4)C3—C5—C7—C8−73.4 (6)
O2—Cd1—N2—C11−179.2 (4)C5—C7—C8—C6−0.1 (7)
N6—Cd1—N2—C1117.6 (4)O1—C6—C8—C7−35.5 (6)
O1—Cd1—N2—C11102.1 (4)C4—C6—C8—C774.0 (6)
O4—Cd1—N4—C12−1.8 (5)C11—N2—C9—N1−179.0 (5)
N2—Cd1—N4—C12−177.5 (5)Cd1—N2—C9—N1−0.9 (9)
O2—Cd1—N4—C12−85.0 (5)C11—N2—C9—S10.1 (6)
N6—Cd1—N4—C1291.2 (5)Cd1—N2—C9—S1178.1 (3)
O4—Cd1—N4—C14173.2 (4)C10—S1—C9—N2−0.6 (5)
N2—Cd1—N4—C14−2.5 (4)C10—S1—C9—N1178.4 (5)
O2—Cd1—N4—C1490.0 (4)C9—S1—C10—C111.0 (5)
N6—Cd1—N4—C14−93.8 (4)S1—C10—C11—N2−1.2 (7)
O4—Cd1—N6—C15−109.7 (5)C9—N2—C11—C100.7 (8)
N4—Cd1—N6—C15158.5 (5)Cd1—N2—C11—C10−177.5 (4)
N2—Cd1—N6—C1561.7 (6)C14—N4—C12—N3179.4 (6)
O2—Cd1—N6—C15−34.5 (9)Cd1—N4—C12—N3−5.1 (9)
O1—Cd1—N6—C15−30.3 (5)C14—N4—C12—S20.2 (7)
O4—Cd1—N6—C1781.7 (4)Cd1—N4—C12—S2175.7 (2)
N4—Cd1—N6—C17−10.0 (5)C13—S2—C12—N4−0.8 (5)
N2—Cd1—N6—C17−106.8 (4)C13—S2—C12—N3−180.0 (5)
O2—Cd1—N6—C17156.9 (5)C12—S2—C13—C141.1 (5)
O1—Cd1—N6—C17161.2 (4)S2—C13—C14—N4−1.2 (7)
Cd1—O4—C1—O5144.3 (5)C12—N4—C14—C130.6 (8)
Cd1—O4—C1—C3−35.5 (8)Cd1—N4—C14—C13−175.2 (4)
Cd1—O2—C2—O3−154.3 (4)C17—N6—C15—N5178.0 (6)
Cd1—O2—C2—C428.5 (8)Cd1—N6—C15—N58.8 (10)
O5—C1—C3—C5145.8 (6)C17—N6—C15—S30.1 (7)
O4—C1—C3—C5−34.4 (7)Cd1—N6—C15—S3−169.1 (3)
O5—C1—C3—C4−98.4 (7)C16—S3—C15—N60.6 (5)
O4—C1—C3—C481.4 (7)C16—S3—C15—N5−177.3 (6)
O3—C2—C4—C6−137.0 (6)C15—S3—C16—C17−1.2 (6)
O2—C2—C4—C640.3 (7)S3—C16—C17—N61.5 (8)
O3—C2—C4—C3108.4 (6)C15—N6—C17—C16−1.1 (9)
O2—C2—C4—C3−74.4 (7)Cd1—N6—C17—C16170.1 (5)
D—H···AD—HH···AD···AD—H···A
N1—H1A···O20.862.042.867 (6)161
N1—H1B···O3i0.862.192.931 (6)144
N3—H3B···O40.862.002.803 (7)156
N3—H3C···O1Wii0.862.142.965 (7)160
N5—H5B···O10.862.152.917 (7)149
N5—H5C···O3iii0.862.463.177 (7)141
N5—H5C···O2Wiv0.862.473.052 (9)125
O1W—H1···O5v0.86 (2)1.97 (2)2.817 (6)174 (7)
O1W—H2···O3vi0.85 (2)2.03 (2)2.865 (6)168 (6)
O2W—H3···O5vii0.86 (6)2.25 (6)2.996 (9)145 (9)
O2W—H4···O50.88 (7)2.12 (4)2.962 (10)162 (12)
Table 1

Selected bond lengths (Å)

Cd1—O42.268 (4)
Cd1—N42.302 (5)
Cd1—N22.305 (5)
Cd1—O22.312 (4)
Cd1—N62.341 (5)
Cd1—O12.467 (4)
Table 2

Hydrogen-bond geometry (Å, °)

D—H⋯AD—HH⋯ADAD—H⋯A
N1—H1A⋯O20.862.042.867 (6)161
N1—H1B⋯O3i0.862.192.931 (6)144
N3—H3B⋯O40.862.002.803 (7)156
N3—H3C⋯O1Wii0.862.142.965 (7)160
N5—H5B⋯O10.862.152.917 (7)149
N5—H5C⋯O3iii0.862.463.177 (7)141
N5—H5C⋯O2Wiv0.862.473.052 (9)125
O1W—H1⋯O5v0.86 (2)1.97 (2)2.817 (6)174 (7)
O1W—H2⋯O3vi0.85 (2)2.03 (2)2.865 (6)168 (6)
O2W—H3⋯O5vii0.86 (6)2.25 (6)2.996 (9)145 (9)
O2W—H4⋯O50.88 (7)2.12 (4)2.962 (10)162 (12)

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

  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.  A new antitumour substance, 7-oxabicyclo (2.2.1)-5-heptene-2,3-dicarboxylic anhydride.

Authors:  I R Shimi; Z Zaki; S Shoukry; A M Medhat
Journal:  Eur J Cancer Clin Oncol       Date:  1982-08
  2 in total

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