metal-organic compounds
trans-Bis(dimethyl sulfoxide-κO)bis(thiosemicarbazide-κ2N1,S)cadmium dipicrate dihydrate
aDepartment of Physics, Government Arts College for Women, Pudukkottai 622 001, India, bDepartment of Physics, Seethalakshmi Ramaswami College (Autonomous), Tiruchirappalli 620 002, India, cCrystal Growth and Thin Film Laboratory, School of Physics, Bharathidasan University, Tiruchirapalli 620 024, India, and dInstitute of Physics, University of Neuchâtel, Rue Emile-Argand 11, CH-2009 Neuchâtel, Switzerland
*Correspondence e-mail: santhasrinithi@yahoo.co.in, helen.stoeckli-evans@unine.ch
In the cation of the title compound, [Cd(CH5N3S)2(C2H6OS)2](C6H2N3O7)2·2H2O, the CdII atom is located on an inversion center. It is hexacoordinated in an octahedral fashion by two thiosemicarbazide molecules, which coordinate in a bidentate manner via the S and N atoms, and to the O atom of two dimethyl sufoxide (DMSO) molecules. The charges are equilibrated by two picrate anions and the complex crystallizes as a dihydrate. In the crystal, these units are linked by a number of O—H⋯O and N—H⋯S hydrogen bonds and weak C—H⋯O interactions, forming a three-dimensional network.
Related literature
For the role of hydrogen bonding in the construction of supramolecular structures, see: Braga et al. (2004). For the of a similar compound, see: Li et al. (2006).
Experimental
Crystal data
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Refinement
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Data collection: X-AREA (Stoe & Cie, 2009); cell X-AREA; data reduction: X-RED32 (Stoe & Cie, 2009); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: PLATON (Spek, 2009); software used to prepare material for publication: SHELXL97 and PLATON (Spek, 2009).
Supporting information
https://doi.org/10.1107/S1600536810053602/hg2776sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S1600536810053602/hg2776Isup2.hkl
The title compound was synthesized by reacting thiosemicarbazide, picric acid and cadmium bromide in a 2:1:1 (1.8 g: 2.5 g: 2.8 g) molar ratio. The calculated amount of thiosemicarbazide and cadmium bromide were dissolved in distilled water and the required amount of picric acid (dissolved in acetone) was added to the solution slowly with stirring. Within a few minutes the solution became turbid. The reaction was ensured with continous stirring. After 1 h a yellow salt was deposited at the bottom of the beaker and it was filtered off and dried. This solid was recrystallized in a DMSO solution to obtain yellow rod-like crystals of the title compound on slow evaporation of the solvent.
The water molecule, the NH2 and NH H-atoms were located in difference Fourier maps and were freely refined. The C-bound H atoms were included in calculated positions and treated as riding atoms; C—H = 0.95 Å and 0.98 Å for CH and methyl H-atoms, respectively, with Uiso(H) = k × Ueq(C), where k = 1.2 for CH H-atoms, and k = 1.5 for methyl H-atoms.
Intermolecular and inter-ionic hydrogen bonding interactions, which are not only the strongest of the noncovalent interactions but also highly directional, play an important role in constructing supramolecular structures (Braga et al., 2004). Recently we have obtained crystals of the title compound from the reaction of thiosemicarbazide, picric acid and DMSO, and we report herein on its crystal structure.
In the cation of the title compound the cadmium(II) atom is hexa-coordinated to two thiosemcarbazide and to two DMSO molecules (Fig. 1). This cation is centrosymmetric with the metal atom being located on an invesion center. The thiosemicarbazide molecules behave as bidentate ligands coordinating via atoms N3 and S1. The bond distances and angles are similar to those reported for a similar complex, bis(Thiosemicarbazide)-diaqua-cadmium(II) bis(maleate) dihydrate (Li et al., 2006).
In the crystal the cation, the picrate anions and the water molecules of crystallization are involved in N—H···O, O—H···O and N—H···S hydrogen bonds and C—H···O interactions, to form a three-dimensional supramolecular network (Table 1 and Fig. 2).
For the role of hydrogen bonding in the construction of supramolecular structures, see: Braga et al. (2004). For the
of a similar compound, see: Li et al. (2006).Data collection: X-AREA (Stoe & Cie, 2009); cell
X-AREA (Stoe & Cie, 2009); data reduction: X-RED32 (Stoe & Cie, 2009); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: PLATON (Spek, 2009); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008) and PLATON (Spek, 2009).Fig. 1. View of the molecular structure of the title compound, showing the atom-labelling scheme. Displacement ellipsoids are drawn at the 50% probability level [symmetry code: (a) = -x + 2, -y, -z]. The symmetry related picrate anion and water molecule of crystallization are not shown. | |
Fig. 2. A view along the a axis of the crystal packing of the title compound. The hydrogen bonds are shown as dashed lines (see Table 1 for details; C-bound H-atoms not involved in C—H···O interactions have been omitted for clarity]. |
[Cd(CH5N3S)2(C2H6OS)2](C6H2N3O7)2·2H2O | Z = 1 |
Mr = 943.18 | F(000) = 478 |
Triclinic, P1 | Dx = 1.812 Mg m−3 |
Hall symbol: -P 1 | Mo Kα radiation, λ = 0.71073 Å |
a = 5.3496 (3) Å | Cell parameters from 15389 reflections |
b = 11.0788 (6) Å | θ = 1.4–26.2° |
c = 15.0049 (8) Å | µ = 0.97 mm−1 |
α = 98.745 (5)° | T = 173 K |
β = 98.288 (4)° | Rod, yellow |
γ = 95.032 (5)° | 0.45 × 0.30 × 0.21 mm |
V = 864.30 (8) Å3 |
STOE IPDS 2 diffractometer | 3273 independent reflections |
Radiation source: fine-focus sealed tube | 3058 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.037 |
φ + ω scans | θmax = 25.6°, θmin = 1.4° |
Absorption correction: multi-scan [MULscanABS in PLATON (Spek, 2009)] | h = −6→6 |
Tmin = 0.773, Tmax = 1.000 | k = −13→13 |
10206 measured reflections | l = −18→18 |
Refinement on F2 | Secondary atom site location: difference Fourier map |
Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
R[F2 > 2σ(F2)] = 0.023 | H atoms treated by a mixture of independent and constrained refinement |
wR(F2) = 0.059 | w = 1/[σ2(Fo2) + (0.0346P)2 + 0.3178P] where P = (Fo2 + 2Fc2)/3 |
S = 1.05 | (Δ/σ)max < 0.001 |
3273 reflections | Δρmax = 0.45 e Å−3 |
272 parameters | Δρmin = −0.61 e Å−3 |
0 restraints | Extinction correction: SHELXL, Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4 |
Primary atom site location: structure-invariant direct methods | Extinction coefficient: 0.0043 (12) |
[Cd(CH5N3S)2(C2H6OS)2](C6H2N3O7)2·2H2O | γ = 95.032 (5)° |
Mr = 943.18 | V = 864.30 (8) Å3 |
Triclinic, P1 | Z = 1 |
a = 5.3496 (3) Å | Mo Kα radiation |
b = 11.0788 (6) Å | µ = 0.97 mm−1 |
c = 15.0049 (8) Å | T = 173 K |
α = 98.745 (5)° | 0.45 × 0.30 × 0.21 mm |
β = 98.288 (4)° |
STOE IPDS 2 diffractometer | 3273 independent reflections |
Absorption correction: multi-scan [MULscanABS in PLATON (Spek, 2009)] | 3058 reflections with I > 2σ(I) |
Tmin = 0.773, Tmax = 1.000 | Rint = 0.037 |
10206 measured reflections |
R[F2 > 2σ(F2)] = 0.023 | 0 restraints |
wR(F2) = 0.059 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.05 | Δρmax = 0.45 e Å−3 |
3273 reflections | Δρmin = −0.61 e Å−3 |
272 parameters |
Geometry. Bond distances, angles etc. have been calculated using the rounded fractional coordinates. All su's are estimated from the variances of the (full) variance-covariance matrix. The cell e.s.d.'s are taken into account in the estimation of distances, angles and torsion angles |
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. |
x | y | z | Uiso*/Ueq | ||
Cd1 | 1.00000 | 0.00000 | 0.00000 | 0.0212 (1) | |
S1 | 0.82169 (8) | −0.05948 (4) | 0.13804 (3) | 0.0235 (1) | |
S2 | 0.86010 (9) | 0.28748 (4) | −0.02021 (3) | 0.0269 (1) | |
O1 | 0.7484 (3) | 0.16934 (13) | 0.00566 (10) | 0.0311 (4) | |
N1 | 1.0413 (4) | 0.00580 (18) | 0.30857 (11) | 0.0278 (5) | |
N2 | 1.2618 (3) | 0.08648 (15) | 0.20958 (11) | 0.0238 (4) | |
N3 | 1.3070 (3) | 0.10988 (16) | 0.12296 (10) | 0.0217 (5) | |
C1 | 1.0580 (3) | 0.01743 (16) | 0.22259 (12) | 0.0205 (5) | |
C2 | 0.6902 (5) | 0.2973 (2) | −0.12943 (16) | 0.0415 (7) | |
C3 | 0.7285 (5) | 0.4052 (2) | 0.04653 (19) | 0.0450 (8) | |
O2 | 0.4733 (3) | 0.16250 (19) | 0.39020 (11) | 0.0518 (6) | |
O3 | 0.7565 (3) | 0.24983 (16) | 0.27887 (10) | 0.0392 (5) | |
O4 | 1.0803 (3) | 0.37978 (17) | 0.33787 (11) | 0.0464 (6) | |
O5 | 1.4020 (3) | 0.46927 (16) | 0.64927 (12) | 0.0458 (5) | |
O6 | 1.1907 (3) | 0.40466 (16) | 0.74913 (11) | 0.0441 (5) | |
O7 | 0.4239 (3) | 0.14920 (16) | 0.65922 (10) | 0.0406 (5) | |
O8 | 0.2735 (3) | 0.07080 (14) | 0.51955 (10) | 0.0345 (4) | |
N4 | 0.9009 (3) | 0.30544 (15) | 0.34539 (11) | 0.0273 (5) | |
N5 | 1.2187 (3) | 0.40910 (17) | 0.66954 (12) | 0.0340 (5) | |
N6 | 0.4329 (3) | 0.13765 (15) | 0.57626 (11) | 0.0259 (5) | |
C4 | 0.6439 (4) | 0.21409 (19) | 0.45209 (13) | 0.0262 (5) | |
C5 | 0.8669 (4) | 0.28941 (17) | 0.43761 (13) | 0.0243 (5) | |
C6 | 1.0516 (4) | 0.35091 (17) | 0.50671 (13) | 0.0259 (5) | |
C7 | 1.0285 (4) | 0.34163 (18) | 0.59632 (13) | 0.0262 (5) | |
C8 | 0.8251 (4) | 0.27133 (18) | 0.61769 (13) | 0.0253 (5) | |
C9 | 0.6418 (4) | 0.20911 (17) | 0.54848 (13) | 0.0241 (5) | |
O1W | 0.2815 (4) | 0.38530 (16) | 0.17293 (11) | 0.0367 (5) | |
H1NA | 1.152 (5) | 0.048 (2) | 0.3525 (17) | 0.030 (6)* | |
H1NB | 0.915 (5) | −0.031 (2) | 0.3166 (16) | 0.028 (6)* | |
H2A | 0.72150 | 0.22870 | −0.17440 | 0.0620* | |
H2B | 0.74760 | 0.37520 | −0.14750 | 0.0620* | |
H2C | 0.50790 | 0.29350 | −0.12660 | 0.0620* | |
H2N | 1.374 (5) | 0.123 (2) | 0.2565 (18) | 0.036 (6)* | |
H3NA | 1.449 (5) | 0.087 (2) | 0.1177 (16) | 0.030 (6)* | |
H3A | 0.54440 | 0.38420 | 0.04030 | 0.0680* | |
H3B | 0.76360 | 0.48340 | 0.02520 | 0.0680* | |
H3C | 0.80520 | 0.41300 | 0.11080 | 0.0680* | |
H3NB | 1.311 (4) | 0.188 (2) | 0.1279 (15) | 0.026 (6)* | |
H6 | 1.19300 | 0.39900 | 0.49330 | 0.0310* | |
H8 | 0.81260 | 0.26630 | 0.67960 | 0.0300* | |
H1WA | 0.403 (7) | 0.425 (3) | 0.197 (2) | 0.056 (10)* | |
H1WB | 0.197 (7) | 0.377 (3) | 0.215 (2) | 0.065 (10)* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Cd1 | 0.0240 (1) | 0.0238 (1) | 0.0150 (1) | 0.0017 (1) | 0.0020 (1) | 0.0022 (1) |
S1 | 0.0209 (2) | 0.0285 (2) | 0.0186 (2) | −0.0053 (2) | 0.0014 (2) | 0.0027 (2) |
S2 | 0.0252 (2) | 0.0271 (2) | 0.0270 (2) | 0.0032 (2) | 0.0013 (2) | 0.0032 (2) |
O1 | 0.0370 (8) | 0.0301 (7) | 0.0314 (7) | 0.0111 (6) | 0.0105 (6) | 0.0123 (6) |
N1 | 0.0249 (9) | 0.0385 (9) | 0.0180 (8) | −0.0057 (8) | 0.0014 (7) | 0.0058 (7) |
N2 | 0.0218 (8) | 0.0327 (8) | 0.0144 (7) | −0.0043 (7) | 0.0000 (6) | 0.0027 (6) |
N3 | 0.0199 (8) | 0.0262 (9) | 0.0189 (8) | −0.0015 (7) | 0.0052 (6) | 0.0035 (6) |
C1 | 0.0186 (8) | 0.0223 (9) | 0.0200 (9) | 0.0019 (7) | 0.0027 (7) | 0.0025 (7) |
C2 | 0.0473 (13) | 0.0404 (12) | 0.0349 (12) | −0.0064 (10) | −0.0060 (10) | 0.0184 (10) |
C3 | 0.0392 (12) | 0.0376 (12) | 0.0556 (15) | 0.0126 (10) | 0.0067 (11) | −0.0044 (11) |
O2 | 0.0445 (10) | 0.0797 (13) | 0.0210 (7) | −0.0336 (9) | −0.0026 (7) | 0.0068 (8) |
O3 | 0.0430 (9) | 0.0490 (9) | 0.0216 (7) | −0.0094 (7) | 0.0035 (6) | 0.0032 (7) |
O4 | 0.0449 (10) | 0.0565 (10) | 0.0356 (9) | −0.0181 (8) | 0.0134 (7) | 0.0075 (7) |
O5 | 0.0294 (8) | 0.0468 (10) | 0.0503 (10) | −0.0123 (7) | −0.0025 (7) | −0.0086 (8) |
O6 | 0.0443 (9) | 0.0511 (10) | 0.0272 (8) | −0.0005 (8) | −0.0069 (7) | −0.0083 (7) |
O7 | 0.0405 (9) | 0.0577 (10) | 0.0211 (7) | −0.0112 (8) | 0.0084 (6) | 0.0049 (7) |
O8 | 0.0306 (8) | 0.0407 (8) | 0.0278 (7) | −0.0114 (6) | 0.0032 (6) | 0.0018 (6) |
N4 | 0.0281 (8) | 0.0279 (8) | 0.0267 (9) | 0.0018 (7) | 0.0080 (7) | 0.0048 (7) |
N5 | 0.0273 (9) | 0.0330 (9) | 0.0341 (10) | 0.0002 (7) | −0.0052 (7) | −0.0072 (8) |
N6 | 0.0240 (8) | 0.0302 (8) | 0.0225 (8) | −0.0015 (7) | 0.0032 (7) | 0.0040 (6) |
C4 | 0.0243 (9) | 0.0311 (10) | 0.0202 (9) | −0.0043 (8) | 0.0014 (7) | 0.0016 (7) |
C5 | 0.0248 (9) | 0.0253 (9) | 0.0221 (9) | 0.0013 (7) | 0.0037 (7) | 0.0026 (7) |
C6 | 0.0221 (9) | 0.0233 (9) | 0.0305 (10) | −0.0007 (7) | 0.0039 (8) | 0.0008 (8) |
C7 | 0.0234 (9) | 0.0254 (9) | 0.0253 (9) | −0.0001 (8) | −0.0020 (7) | −0.0025 (7) |
C8 | 0.0251 (10) | 0.0280 (9) | 0.0204 (9) | 0.0022 (8) | 0.0001 (7) | −0.0001 (7) |
C9 | 0.0235 (9) | 0.0254 (9) | 0.0221 (9) | −0.0009 (7) | 0.0040 (7) | 0.0019 (7) |
O1W | 0.0375 (9) | 0.0432 (9) | 0.0254 (8) | −0.0032 (7) | 0.0030 (7) | −0.0006 (7) |
Cd1—S1 | 2.5512 (5) | N1—H1NB | 0.79 (3) |
Cd1—O1 | 2.4013 (15) | N1—H1NA | 0.87 (3) |
Cd1—N3 | 2.3824 (16) | N2—H2N | 0.88 (3) |
Cd1—S1i | 2.5512 (5) | N3—H3NB | 0.86 (2) |
Cd1—O1i | 2.4013 (15) | N3—H3NA | 0.83 (3) |
Cd1—N3i | 2.3824 (16) | N4—C5 | 1.456 (3) |
S1—C1 | 1.7186 (18) | N5—C7 | 1.448 (3) |
S2—O1 | 1.5182 (15) | N6—C9 | 1.459 (3) |
S2—C2 | 1.779 (2) | C2—H2C | 0.9800 |
S2—C3 | 1.780 (3) | C2—H2A | 0.9800 |
O2—C4 | 1.235 (3) | C2—H2B | 0.9800 |
O3—N4 | 1.217 (2) | C3—H3C | 0.9800 |
O4—N4 | 1.238 (2) | C3—H3A | 0.9800 |
O5—N5 | 1.238 (2) | C3—H3B | 0.9800 |
O6—N5 | 1.233 (2) | C4—C5 | 1.457 (3) |
O7—N6 | 1.240 (2) | C4—C9 | 1.457 (3) |
O8—N6 | 1.220 (2) | C5—C6 | 1.374 (3) |
O1W—H1WA | 0.76 (4) | C6—C7 | 1.386 (3) |
O1W—H1WB | 0.84 (3) | C7—C8 | 1.386 (3) |
N1—C1 | 1.331 (2) | C8—C9 | 1.373 (3) |
N2—N3 | 1.413 (2) | C6—H6 | 0.9500 |
N2—C1 | 1.331 (2) | C8—H8 | 0.9500 |
S1—Cd1—O1 | 88.75 (4) | O5—N5—C7 | 118.35 (17) |
S1—Cd1—N3 | 78.48 (4) | O7—N6—C9 | 117.15 (16) |
S1—Cd1—S1i | 180.00 | O8—N6—C9 | 120.80 (16) |
S1—Cd1—O1i | 91.25 (4) | O7—N6—O8 | 122.04 (17) |
S1—Cd1—N3i | 101.53 (4) | S1—C1—N1 | 118.01 (14) |
O1—Cd1—N3 | 91.01 (6) | S1—C1—N2 | 125.54 (14) |
S1i—Cd1—O1 | 91.25 (4) | N1—C1—N2 | 116.43 (17) |
O1—Cd1—O1i | 180.00 | S2—C2—H2C | 110.00 |
O1—Cd1—N3i | 88.99 (6) | H2A—C2—H2B | 109.00 |
S1i—Cd1—N3 | 101.53 (4) | S2—C2—H2B | 109.00 |
O1i—Cd1—N3 | 88.99 (6) | H2B—C2—H2C | 109.00 |
N3—Cd1—N3i | 180.00 | S2—C2—H2A | 109.00 |
S1i—Cd1—O1i | 88.75 (4) | H2A—C2—H2C | 109.00 |
S1i—Cd1—N3i | 78.48 (4) | S2—C3—H3B | 109.00 |
O1i—Cd1—N3i | 91.01 (6) | H3A—C3—H3C | 110.00 |
Cd1—S1—C1 | 98.67 (6) | H3B—C3—H3C | 109.00 |
O1—S2—C2 | 106.27 (10) | H3A—C3—H3B | 109.00 |
O1—S2—C3 | 104.19 (10) | S2—C3—H3A | 109.00 |
C2—S2—C3 | 98.64 (12) | S2—C3—H3C | 110.00 |
Cd1—O1—S2 | 117.54 (9) | O2—C4—C9 | 123.8 (2) |
H1WA—O1W—H1WB | 104 (3) | C5—C4—C9 | 112.18 (17) |
N3—N2—C1 | 123.73 (16) | O2—C4—C5 | 124.06 (18) |
Cd1—N3—N2 | 113.40 (11) | N4—C5—C6 | 115.94 (18) |
C1—N1—H1NB | 116.3 (17) | C4—C5—C6 | 124.10 (18) |
H1NA—N1—H1NB | 123 (2) | N4—C5—C4 | 119.95 (17) |
C1—N1—H1NA | 119.5 (16) | C5—C6—C7 | 118.96 (19) |
N3—N2—H2N | 116.2 (17) | N5—C7—C6 | 119.19 (18) |
C1—N2—H2N | 120.0 (17) | C6—C7—C8 | 121.65 (19) |
Cd1—N3—H3NB | 113.7 (15) | N5—C7—C8 | 119.15 (17) |
Cd1—N3—H3NA | 109.2 (16) | C7—C8—C9 | 119.29 (18) |
N2—N3—H3NB | 103.6 (15) | N6—C9—C8 | 116.16 (17) |
H3NA—N3—H3NB | 112 (2) | C4—C9—C8 | 123.79 (19) |
N2—N3—H3NA | 105.1 (16) | N6—C9—C4 | 120.03 (17) |
O3—N4—O4 | 121.57 (17) | C5—C6—H6 | 121.00 |
O4—N4—C5 | 117.04 (16) | C7—C6—H6 | 121.00 |
O3—N4—C5 | 121.38 (17) | C7—C8—H8 | 120.00 |
O6—N5—C7 | 118.75 (17) | C9—C8—H8 | 120.00 |
O5—N5—O6 | 122.90 (18) | ||
O1—Cd1—S1—C1 | −93.63 (7) | O5—N5—C7—C8 | 178.44 (19) |
N3—Cd1—S1—C1 | −2.35 (7) | O6—N5—C7—C6 | 176.82 (19) |
O1i—Cd1—S1—C1 | 86.37 (7) | O6—N5—C7—C8 | −1.9 (3) |
N3i—Cd1—S1—C1 | 177.65 (7) | O7—N6—C9—C4 | −171.03 (18) |
S1—Cd1—O1—S2 | 145.05 (8) | O7—N6—C9—C8 | 7.4 (3) |
N3—Cd1—O1—S2 | 66.61 (9) | O8—N6—C9—C4 | 8.2 (3) |
S1i—Cd1—O1—S2 | −34.95 (8) | O8—N6—C9—C8 | −173.45 (18) |
N3i—Cd1—O1—S2 | −113.40 (9) | O2—C4—C5—N4 | −1.2 (3) |
S1—Cd1—N3—N2 | 3.88 (11) | O2—C4—C5—C6 | 177.2 (2) |
O1—Cd1—N3—N2 | 92.39 (12) | C9—C4—C5—N4 | −179.76 (17) |
S1i—Cd1—N3—N2 | −176.13 (11) | C9—C4—C5—C6 | −1.3 (3) |
O1i—Cd1—N3—N2 | −87.61 (12) | O2—C4—C9—N6 | 1.6 (3) |
Cd1—S1—C1—N1 | −177.43 (15) | O2—C4—C9—C8 | −176.7 (2) |
Cd1—S1—C1—N2 | 1.06 (17) | C5—C4—C9—N6 | −179.89 (17) |
C2—S2—O1—Cd1 | 106.89 (11) | C5—C4—C9—C8 | 1.9 (3) |
C3—S2—O1—Cd1 | −149.51 (11) | N4—C5—C6—C7 | 178.76 (18) |
C1—N2—N3—Cd1 | −4.9 (2) | C4—C5—C6—C7 | 0.2 (3) |
N3—N2—C1—S1 | 2.5 (3) | C5—C6—C7—N5 | −178.22 (18) |
N3—N2—C1—N1 | −178.99 (17) | C5—C6—C7—C8 | 0.5 (3) |
O3—N4—C5—C4 | −5.6 (3) | N5—C7—C8—C9 | 178.76 (19) |
O3—N4—C5—C6 | 175.84 (19) | C6—C7—C8—C9 | 0.1 (3) |
O4—N4—C5—C4 | 173.14 (18) | C7—C8—C9—N6 | −179.67 (18) |
O4—N4—C5—C6 | −5.5 (3) | C7—C8—C9—C4 | −1.3 (3) |
O5—N5—C7—C6 | −2.9 (3) |
Symmetry code: (i) −x+2, −y, −z. |
D—H···A | D—H | H···A | D···A | D—H···A |
N1—H1NA···O2ii | 0.87 (3) | 2.00 (3) | 2.773 (3) | 148 (2) |
N1—H1NA···O8ii | 0.87 (3) | 2.47 (2) | 3.178 (2) | 140 (2) |
N1—H1NB···O7iii | 0.79 (3) | 2.25 (3) | 3.037 (3) | 175 (2) |
N2—H2N···O2ii | 0.88 (3) | 1.97 (3) | 2.755 (2) | 148 (2) |
N2—H2N···O3ii | 0.88 (3) | 2.33 (3) | 3.026 (2) | 136 (2) |
N3—H3NA···S1ii | 0.83 (3) | 2.69 (3) | 3.4653 (17) | 155 (2) |
N3—H3NB···O1Wii | 0.86 (2) | 2.21 (2) | 3.049 (3) | 165 (2) |
O1W—H1WA···O5iv | 0.76 (4) | 2.46 (3) | 3.081 (2) | 140 (3) |
O1W—H1WB···O4v | 0.84 (3) | 2.03 (3) | 2.844 (2) | 165 (3) |
C3—H3A···O1W | 0.98 | 2.60 | 3.272 (3) | 126 |
C6—H6···O4 | 0.95 | 2.30 | 2.626 (3) | 100 |
C8—H8···O7 | 0.95 | 2.31 | 2.638 (3) | 100 |
Symmetry codes: (ii) x+1, y, z; (iii) −x+1, −y, −z+1; (iv) −x+2, −y+1, −z+1; (v) x−1, y, z. |
Experimental details
Crystal data | |
Chemical formula | [Cd(CH5N3S)2(C2H6OS)2](C6H2N3O7)2·2H2O |
Mr | 943.18 |
Crystal system, space group | Triclinic, P1 |
Temperature (K) | 173 |
a, b, c (Å) | 5.3496 (3), 11.0788 (6), 15.0049 (8) |
α, β, γ (°) | 98.745 (5), 98.288 (4), 95.032 (5) |
V (Å3) | 864.30 (8) |
Z | 1 |
Radiation type | Mo Kα |
µ (mm−1) | 0.97 |
Crystal size (mm) | 0.45 × 0.30 × 0.21 |
Data collection | |
Diffractometer | STOE IPDS 2 |
Absorption correction | Multi-scan [MULscanABS in PLATON (Spek, 2009)] |
Tmin, Tmax | 0.773, 1.000 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 10206, 3273, 3058 |
Rint | 0.037 |
(sin θ/λ)max (Å−1) | 0.608 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.023, 0.059, 1.05 |
No. of reflections | 3273 |
No. of parameters | 272 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.45, −0.61 |
Computer programs: X-AREA (Stoe & Cie, 2009), X-RED32 (Stoe & Cie, 2009), SHELXS97 (Sheldrick, 2008), PLATON (Spek, 2009), SHELXL97 (Sheldrick, 2008) and PLATON (Spek, 2009).
D—H···A | D—H | H···A | D···A | D—H···A |
N1—H1NA···O2i | 0.87 (3) | 2.00 (3) | 2.773 (3) | 148 (2) |
N1—H1NA···O8i | 0.87 (3) | 2.47 (2) | 3.178 (2) | 140 (2) |
N1—H1NB···O7ii | 0.79 (3) | 2.25 (3) | 3.037 (3) | 175 (2) |
N2—H2N···O2i | 0.88 (3) | 1.97 (3) | 2.755 (2) | 148 (2) |
N2—H2N···O3i | 0.88 (3) | 2.33 (3) | 3.026 (2) | 136 (2) |
N3—H3NA···S1i | 0.83 (3) | 2.69 (3) | 3.4653 (17) | 155 (2) |
N3—H3NB···O1Wi | 0.86 (2) | 2.21 (2) | 3.049 (3) | 165 (2) |
O1W—H1WA···O5iii | 0.76 (4) | 2.46 (3) | 3.081 (2) | 140 (3) |
O1W—H1WB···O4iv | 0.84 (3) | 2.03 (3) | 2.844 (2) | 165 (3) |
C3—H3A···O1W | 0.98 | 2.60 | 3.272 (3) | 126 |
Symmetry codes: (i) x+1, y, z; (ii) −x+1, −y, −z+1; (iii) −x+2, −y+1, −z+1; (iv) x−1, y, z. |
Acknowledgements
RS thanks the University Grants Commission, India, for the award of a minor research project (file No. MRP 2976/2009). HSE thanks the staff of the XRD Application Laboratory, CSEM, Neuchâtel, for access to the X-ray diffraction equipment.
References
Braga, D., Maini, L., Polito, M. & Grepioni, F. (2004). Struct. Bond. 111, 1–32. Web of Science CrossRef CAS Google Scholar
Li, S.-L., Fun, H.-K., Chantrapromma, S., Wu, J.-Y. & Tian, Y.-P. (2006). Acta Cryst. E62, m64–m66. Web of Science CSD CrossRef IUCr Journals Google Scholar
Sheldrick, G. M. (2008). Acta Cryst. A64, 112–122. Web of Science CrossRef CAS IUCr Journals Google Scholar
Spek, A. L. (2009). Acta Cryst. D65, 148–155. Web of Science CrossRef CAS IUCr Journals Google Scholar
Stoe & Cie (2009). X-AREA and X-RED32. Stoe & Cie.GmbH, Darmstat, Germany. Google Scholar
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Intermolecular and inter-ionic hydrogen bonding interactions, which are not only the strongest of the noncovalent interactions but also highly directional, play an important role in constructing supramolecular structures (Braga et al., 2004). Recently we have obtained crystals of the title compound from the reaction of thiosemicarbazide, picric acid and DMSO, and we report herein on its crystal structure.
In the cation of the title compound the cadmium(II) atom is hexa-coordinated to two thiosemcarbazide and to two DMSO molecules (Fig. 1). This cation is centrosymmetric with the metal atom being located on an invesion center. The thiosemicarbazide molecules behave as bidentate ligands coordinating via atoms N3 and S1. The bond distances and angles are similar to those reported for a similar complex, bis(Thiosemicarbazide)-diaqua-cadmium(II) bis(maleate) dihydrate (Li et al., 2006).
In the crystal the cation, the picrate anions and the water molecules of crystallization are involved in N—H···O, O—H···O and N—H···S hydrogen bonds and C—H···O interactions, to form a three-dimensional supramolecular network (Table 1 and Fig. 2).