metal-organic compounds
Tetrakis(2-aminothiazole-κN3)dichloridocadmium(II)
aCenter for Chemical Analysis, Korea Research Institute of Chemical Technology, PO Box 107, Yuseong, Daejeon 305-600, Republic of Korea, and bDepartment of Chemistry, Konyang University, Nonsan 320-711, Republic of Korea
*Correspondence e-mail: ihkim@konyang.ac.kr
In the title complex, [CdCl2(C3H4N2S)4],the CdII atom has an trans-Cl2N4 octahedral coordination geometry defined by four N atoms derived from the four 2-aminothiazole ligands and two Cl atoms. The amino groups participate in intra- and intermolecular N—H⋯N and N—H⋯Cl hydrogen bonding that stabilizes both the molecular and crystal structures.
Related literature
For the coordination properties of heterocycles, see: Raper (1994); Karlin & Zubieta (1983). For the structures of related aminothiazole complexes, see: Batı et al. (2006); Davarski et al. (1996); Macíček & Davarski (1993); Maniukiewicz (2004); Raper et al. (1981); Suh et al. (2005, 2007, 2009).
Experimental
Crystal data
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Refinement
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Data collection: SMART (Bruker, 2001); cell SAINT (Bruker, 2001); 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: SHELXTL.
Supporting information
10.1107/S1600536809051770/tk2590sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536809051770/tk2590Isup2.hkl
A water–ethanol (1:1) solution (40 ml) of 2-aminothiazole (5 mmol) was added dropwise to a water–ethanol (1:1) solution (40 ml) of CdCl2.2.5H2O (2 mmol) with stirring. The small amount of precipitates formed from the mixed solution were filtered off. The filtered solution was allowed to stand at room temperature. After several days, yellow blocks were obtained. Analysis found: C 24.95, H 2.74, N 19.11, S 21.72, Cd 19.30%; C12H16CdCl2N8S4 requires: C 24.68, H 2.76, N 19.20, S 21.96, Cl 12.14, Cd 19.25%.
Positional parameters for the H atoms were calculated geometrically and constrained to ride on their attached atoms with C—H = 0.93 Å and N—H = 0.86 Å, and with Uiso(H) = 1.2Ueq(C, N).
Data collection: SMART (Bruker, 2001); cell
SAINT (Bruker, 2001); data reduction: SAINT (Bruker, 2001); 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: SHELXTL (Sheldrick, 2008).Fig. 1. The molecular structure of (I), showing 30% probability displacement ellipsoids and the atom-numbering scheme. | |
Fig. 2. A view of the unit cell contents of (I). The C–H atoms have been omitted for reasons of clarity (dashed lines). |
[CdCl2(C3H4N2S)4] | F(000) = 1160 |
Mr = 583.87 | Dx = 1.872 Mg m−3 Dm = 1.87 Mg m−3 Dm measured by flotation method |
Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2ybc | Cell parameters from 5290 reflections |
a = 8.6056 (1) Å | θ = 2.7–28.3° |
b = 15.2838 (2) Å | µ = 1.73 mm−1 |
c = 16.2097 (2) Å | T = 296 K |
β = 103.605 (1)° | Block, yellow |
V = 2072.18 (4) Å3 | 0.40 × 0.19 × 0.08 mm |
Z = 4 |
Bruker SMART CCD area-detector diffractometer | 5159 independent reflections |
Radiation source: fine-focus sealed tube | 4532 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.020 |
ϕ and ω scans | θmax = 28.4°, θmin = 1.9° |
Absorption correction: multi-scan (SADABS; Bruker, 2001) | h = −11→11 |
Tmin = 0.544, Tmax = 0.87 | k = −20→20 |
21163 measured reflections | l = −20→21 |
Refinement on F2 | Primary atom site location: structure-invariant direct methods |
Least-squares matrix: full | Secondary atom site location: difference Fourier map |
R[F2 > 2σ(F2)] = 0.021 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.052 | H-atom parameters constrained |
S = 1.05 | w = 1/[σ2(Fo2) + (0.0234P)2 + 0.6132P] where P = (Fo2 + 2Fc2)/3 |
5159 reflections | (Δ/σ)max < 0.001 |
244 parameters | Δρmax = 0.36 e Å−3 |
0 restraints | Δρmin = −0.30 e Å−3 |
[CdCl2(C3H4N2S)4] | V = 2072.18 (4) Å3 |
Mr = 583.87 | Z = 4 |
Monoclinic, P21/c | Mo Kα radiation |
a = 8.6056 (1) Å | µ = 1.73 mm−1 |
b = 15.2838 (2) Å | T = 296 K |
c = 16.2097 (2) Å | 0.40 × 0.19 × 0.08 mm |
β = 103.605 (1)° |
Bruker SMART CCD area-detector diffractometer | 5159 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2001) | 4532 reflections with I > 2σ(I) |
Tmin = 0.544, Tmax = 0.87 | Rint = 0.020 |
21163 measured reflections |
R[F2 > 2σ(F2)] = 0.021 | 0 restraints |
wR(F2) = 0.052 | H-atom parameters constrained |
S = 1.05 | Δρmax = 0.36 e Å−3 |
5159 reflections | Δρmin = −0.30 e Å−3 |
244 parameters |
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. |
x | y | z | Uiso*/Ueq | ||
Cd | 0.237289 (14) | 0.127887 (8) | 0.242806 (7) | 0.02555 (5) | |
Cl1 | 0.41984 (5) | 0.15665 (3) | 0.13431 (3) | 0.03443 (10) | |
Cl2 | 0.05073 (6) | 0.10433 (3) | 0.34816 (3) | 0.03723 (11) | |
S11 | 0.72017 (6) | −0.00335 (3) | 0.42080 (3) | 0.04305 (13) | |
C12 | 0.6028 (2) | 0.07360 (12) | 0.35499 (11) | 0.0312 (4) | |
N13 | 0.44963 (17) | 0.05509 (9) | 0.33585 (9) | 0.0304 (3) | |
C14 | 0.4223 (2) | −0.02238 (12) | 0.37465 (12) | 0.0369 (4) | |
H14A | 0.3200 | −0.0453 | 0.3682 | 0.044* | |
C15 | 0.5505 (3) | −0.06232 (13) | 0.42170 (13) | 0.0432 (5) | |
H15 | 0.5485 | −0.1146 | 0.4508 | 0.052* | |
N16 | 0.6685 (2) | 0.14549 (12) | 0.33020 (12) | 0.0482 (5) | |
H16A | 0.6089 | 0.1839 | 0.2992 | 0.058* | |
H16B | 0.7702 | 0.1532 | 0.3453 | 0.058* | |
S21 | 0.44426 (7) | 0.38898 (3) | 0.41822 (3) | 0.04409 (13) | |
C22 | 0.3558 (2) | 0.28774 (11) | 0.39147 (11) | 0.0292 (4) | |
N23 | 0.34496 (18) | 0.26409 (9) | 0.31227 (9) | 0.0295 (3) | |
C24 | 0.4114 (2) | 0.32847 (12) | 0.27081 (12) | 0.0367 (4) | |
H24A | 0.4153 | 0.3226 | 0.2142 | 0.044* | |
C25 | 0.4692 (3) | 0.39916 (14) | 0.31605 (13) | 0.0440 (5) | |
H25 | 0.5160 | 0.4468 | 0.2956 | 0.053* | |
N26 | 0.3052 (2) | 0.23949 (10) | 0.44936 (10) | 0.0400 (4) | |
H26A | 0.2620 | 0.1892 | 0.4356 | 0.048* | |
H26B | 0.3159 | 0.2589 | 0.5002 | 0.048* | |
S31 | −0.24063 (6) | 0.26745 (4) | 0.06541 (4) | 0.04824 (14) | |
C32 | −0.1262 (2) | 0.18601 (12) | 0.12468 (11) | 0.0327 (4) | |
N33 | 0.02729 (18) | 0.20338 (10) | 0.14653 (9) | 0.0311 (3) | |
C34 | 0.0573 (2) | 0.28381 (12) | 0.11430 (12) | 0.0384 (4) | |
H34A | 0.1601 | 0.3066 | 0.1230 | 0.046* | |
C35 | −0.0703 (3) | 0.32678 (14) | 0.06998 (13) | 0.0467 (5) | |
H35 | −0.0670 | 0.3814 | 0.0451 | 0.056* | |
N36 | −0.1933 (2) | 0.10964 (11) | 0.14150 (12) | 0.0458 (4) | |
H36A | −0.1340 | 0.0685 | 0.1683 | 0.055* | |
H36B | −0.2950 | 0.1024 | 0.1254 | 0.055* | |
S41 | 0.07311 (8) | −0.15017 (3) | 0.08737 (4) | 0.05010 (14) | |
C42 | 0.1437 (2) | −0.04377 (12) | 0.10337 (11) | 0.0319 (4) | |
N43 | 0.13773 (18) | −0.01062 (9) | 0.17752 (9) | 0.0309 (3) | |
C44 | 0.0725 (2) | −0.07152 (12) | 0.22319 (12) | 0.0385 (4) | |
H44A | 0.0581 | −0.0591 | 0.2771 | 0.046* | |
C45 | 0.0316 (3) | −0.14861 (13) | 0.18614 (13) | 0.0446 (5) | |
H45 | −0.0129 | −0.1948 | 0.2101 | 0.054* | |
N46 | 0.1983 (2) | −0.00158 (11) | 0.04363 (10) | 0.0455 (4) | |
H46A | 0.2329 | 0.0512 | 0.0524 | 0.055* | |
H46B | 0.1987 | −0.0272 | −0.0035 | 0.055* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Cd | 0.02192 (7) | 0.02708 (7) | 0.02791 (7) | 0.00039 (5) | 0.00638 (5) | 0.00172 (5) |
Cl1 | 0.0292 (2) | 0.0456 (3) | 0.0302 (2) | −0.00291 (19) | 0.01048 (17) | 0.00135 (18) |
Cl2 | 0.0292 (2) | 0.0449 (3) | 0.0411 (2) | −0.00374 (19) | 0.01530 (19) | −0.0022 (2) |
S11 | 0.0319 (3) | 0.0432 (3) | 0.0476 (3) | 0.0073 (2) | −0.0034 (2) | 0.0046 (2) |
C12 | 0.0268 (9) | 0.0340 (9) | 0.0320 (9) | 0.0029 (7) | 0.0052 (7) | −0.0023 (7) |
N13 | 0.0257 (7) | 0.0313 (8) | 0.0331 (8) | 0.0016 (6) | 0.0047 (6) | 0.0035 (6) |
C14 | 0.0342 (10) | 0.0359 (10) | 0.0395 (10) | −0.0050 (8) | 0.0063 (8) | 0.0053 (8) |
C15 | 0.0451 (12) | 0.0348 (10) | 0.0462 (11) | 0.0008 (9) | 0.0033 (9) | 0.0097 (9) |
N16 | 0.0252 (9) | 0.0486 (10) | 0.0682 (12) | −0.0030 (7) | 0.0054 (8) | 0.0154 (9) |
S21 | 0.0559 (3) | 0.0367 (3) | 0.0391 (3) | −0.0151 (2) | 0.0100 (2) | −0.0074 (2) |
C22 | 0.0275 (9) | 0.0268 (8) | 0.0313 (9) | 0.0013 (7) | 0.0028 (7) | −0.0005 (7) |
N23 | 0.0310 (8) | 0.0275 (7) | 0.0295 (7) | −0.0006 (6) | 0.0063 (6) | 0.0009 (6) |
C24 | 0.0377 (10) | 0.0407 (11) | 0.0310 (9) | −0.0061 (8) | 0.0066 (8) | 0.0035 (8) |
C25 | 0.0495 (13) | 0.0413 (11) | 0.0411 (11) | −0.0136 (9) | 0.0103 (9) | 0.0042 (9) |
N26 | 0.0550 (11) | 0.0371 (9) | 0.0281 (8) | −0.0106 (8) | 0.0101 (7) | −0.0006 (7) |
S31 | 0.0343 (3) | 0.0509 (3) | 0.0531 (3) | 0.0143 (2) | −0.0025 (2) | 0.0033 (2) |
C32 | 0.0275 (9) | 0.0375 (10) | 0.0317 (9) | 0.0055 (8) | 0.0045 (7) | −0.0035 (8) |
N33 | 0.0261 (8) | 0.0324 (8) | 0.0330 (8) | 0.0028 (6) | 0.0036 (6) | 0.0023 (6) |
C34 | 0.0361 (11) | 0.0364 (10) | 0.0414 (10) | −0.0012 (8) | 0.0067 (8) | 0.0057 (8) |
C35 | 0.0504 (13) | 0.0384 (11) | 0.0483 (12) | 0.0074 (10) | 0.0056 (10) | 0.0097 (9) |
N36 | 0.0262 (9) | 0.0461 (10) | 0.0622 (11) | −0.0022 (7) | 0.0045 (8) | 0.0047 (8) |
S41 | 0.0633 (4) | 0.0360 (3) | 0.0516 (3) | −0.0144 (3) | 0.0148 (3) | −0.0128 (2) |
C42 | 0.0263 (9) | 0.0302 (9) | 0.0369 (10) | −0.0011 (7) | 0.0029 (7) | −0.0014 (7) |
N43 | 0.0302 (8) | 0.0266 (7) | 0.0352 (8) | −0.0018 (6) | 0.0064 (6) | −0.0013 (6) |
C44 | 0.0405 (11) | 0.0370 (10) | 0.0380 (10) | −0.0067 (8) | 0.0096 (8) | 0.0005 (8) |
C45 | 0.0468 (13) | 0.0361 (10) | 0.0497 (12) | −0.0121 (9) | 0.0086 (10) | 0.0030 (9) |
N46 | 0.0569 (12) | 0.0439 (10) | 0.0374 (9) | −0.0117 (8) | 0.0147 (8) | −0.0049 (7) |
Cd—N13 | 2.3569 (14) | C25—H25 | 0.9300 |
Cd—N33 | 2.3886 (14) | N26—H26A | 0.8600 |
Cd—N43 | 2.4308 (14) | N26—H26B | 0.8600 |
Cd—N23 | 2.4432 (14) | S31—C35 | 1.711 (2) |
Cd—Cl2 | 2.6294 (5) | S31—C32 | 1.7310 (19) |
Cd—Cl1 | 2.6560 (4) | C32—N33 | 1.312 (2) |
S11—C15 | 1.719 (2) | C32—N36 | 1.358 (2) |
S11—C12 | 1.7420 (18) | N33—C34 | 1.384 (2) |
C12—N13 | 1.312 (2) | C34—C35 | 1.335 (3) |
C12—N16 | 1.340 (2) | C34—H34A | 0.9300 |
N13—C14 | 1.387 (2) | C35—H35 | 0.9300 |
C14—C15 | 1.332 (3) | N36—H36A | 0.8600 |
C14—H14A | 0.9300 | N36—H36B | 0.8600 |
C15—H15 | 0.9300 | S41—C45 | 1.721 (2) |
N16—H16A | 0.8600 | S41—C42 | 1.7339 (18) |
N16—H16B | 0.8600 | C42—N43 | 1.316 (2) |
S21—C25 | 1.726 (2) | C42—N46 | 1.337 (2) |
S21—C22 | 1.7341 (18) | N43—C44 | 1.387 (2) |
C22—N23 | 1.316 (2) | C44—C45 | 1.332 (3) |
C22—N26 | 1.344 (2) | C44—H44A | 0.9300 |
N23—C24 | 1.388 (2) | C45—H45 | 0.9300 |
C24—C25 | 1.335 (3) | N46—H46A | 0.8600 |
C24—H24A | 0.9300 | N46—H46B | 0.8600 |
N13—Cd—N33 | 178.41 (5) | N23—C24—H24A | 121.6 |
N13—Cd—N43 | 90.48 (5) | C24—C25—S21 | 109.85 (15) |
N33—Cd—N43 | 90.07 (5) | C24—C25—H25 | 125.1 |
N13—Cd—N23 | 87.39 (5) | S21—C25—H25 | 125.1 |
N33—Cd—N23 | 92.07 (5) | C22—N26—H26A | 120.0 |
N43—Cd—N23 | 177.85 (5) | C22—N26—H26B | 120.0 |
N13—Cd—Cl2 | 91.13 (4) | H26A—N26—H26B | 120.0 |
N33—Cd—Cl2 | 90.39 (4) | C35—S31—C32 | 89.29 (10) |
N43—Cd—Cl2 | 87.53 (4) | N33—C32—N36 | 124.62 (17) |
N23—Cd—Cl2 | 92.33 (4) | N33—C32—S31 | 114.17 (14) |
N13—Cd—Cl1 | 90.66 (4) | N36—C32—S31 | 121.10 (14) |
N33—Cd—Cl1 | 87.82 (4) | C32—N33—C34 | 110.08 (15) |
N43—Cd—Cl1 | 93.36 (4) | C32—N33—Cd | 129.62 (12) |
N23—Cd—Cl1 | 86.84 (4) | C34—N33—Cd | 119.74 (12) |
Cl2—Cd—Cl1 | 177.991 (15) | C35—C34—N33 | 115.94 (19) |
C15—S11—C12 | 89.30 (9) | C35—C34—H34A | 122.0 |
N13—C12—N16 | 125.25 (17) | N33—C34—H34A | 122.0 |
N13—C12—S11 | 113.89 (14) | C34—C35—S31 | 110.51 (16) |
N16—C12—S11 | 120.83 (14) | C34—C35—H35 | 124.7 |
C12—N13—C14 | 110.17 (15) | S31—C35—H35 | 124.7 |
C12—N13—Cd | 129.36 (12) | C32—N36—H36A | 120.0 |
C14—N13—Cd | 120.32 (12) | C32—N36—H36B | 120.0 |
C15—C14—N13 | 116.44 (18) | H36A—N36—H36B | 120.0 |
C15—C14—H14A | 121.8 | C45—S41—C42 | 89.42 (9) |
N13—C14—H14A | 121.8 | N43—C42—N46 | 124.85 (17) |
C14—C15—S11 | 110.20 (15) | N43—C42—S41 | 114.21 (14) |
C14—C15—H15 | 124.9 | N46—C42—S41 | 120.94 (14) |
S11—C15—H15 | 124.9 | C42—N43—C44 | 109.66 (15) |
C12—N16—H16A | 120.0 | C42—N43—Cd | 130.33 (12) |
C12—N16—H16B | 120.0 | C44—N43—Cd | 119.83 (11) |
H16A—N16—H16B | 120.0 | C45—C44—N43 | 116.75 (18) |
C25—S21—C22 | 89.25 (9) | C45—C44—H44A | 121.6 |
N23—C22—N26 | 124.78 (16) | N43—C44—H44A | 121.6 |
N23—C22—S21 | 114.54 (13) | C44—C45—S41 | 109.95 (15) |
N26—C22—S21 | 120.69 (13) | C44—C45—H45 | 125.0 |
C22—N23—C24 | 109.57 (15) | S41—C45—H45 | 125.0 |
C22—N23—Cd | 128.01 (11) | C42—N46—H46A | 120.0 |
C24—N23—Cd | 122.38 (11) | C42—N46—H46B | 120.0 |
C25—C24—N23 | 116.79 (17) | H46A—N46—H46B | 120.0 |
C25—C24—H24A | 121.6 | ||
C15—S11—C12—N13 | −0.25 (15) | C35—S31—C32—N33 | 0.69 (15) |
C15—S11—C12—N16 | 177.77 (17) | C35—S31—C32—N36 | −175.75 (17) |
N16—C12—N13—C14 | −177.55 (19) | N36—C32—N33—C34 | 175.40 (18) |
S11—C12—N13—C14 | 0.36 (19) | S31—C32—N33—C34 | −0.9 (2) |
N16—C12—N13—Cd | 7.0 (3) | N36—C32—N33—Cd | −13.3 (3) |
S11—C12—N13—Cd | −175.09 (8) | S31—C32—N33—Cd | 170.40 (8) |
N43—Cd—N13—C12 | 131.98 (16) | N43—Cd—N33—C32 | 47.14 (16) |
N23—Cd—N13—C12 | −48.20 (15) | N23—Cd—N33—C32 | −132.74 (16) |
Cl2—Cd—N13—C12 | −140.48 (15) | Cl2—Cd—N33—C32 | −40.39 (15) |
Cl1—Cd—N13—C12 | 38.61 (15) | Cl1—Cd—N33—C32 | 140.51 (15) |
N43—Cd—N13—C14 | −43.08 (13) | N43—Cd—N33—C34 | −142.28 (14) |
N23—Cd—N13—C14 | 136.74 (13) | N23—Cd—N33—C34 | 37.84 (14) |
Cl2—Cd—N13—C14 | 44.46 (13) | Cl2—Cd—N33—C34 | 130.19 (13) |
Cl1—Cd—N13—C14 | −136.45 (13) | Cl1—Cd—N33—C34 | −48.91 (13) |
C12—N13—C14—C15 | −0.3 (2) | C32—N33—C34—C35 | 0.7 (2) |
Cd—N13—C14—C15 | 175.60 (14) | Cd—N33—C34—C35 | −171.58 (14) |
N13—C14—C15—S11 | 0.1 (2) | N33—C34—C35—S31 | −0.2 (2) |
C12—S11—C15—C14 | 0.05 (17) | C32—S31—C35—C34 | −0.27 (17) |
C25—S21—C22—N23 | −0.46 (15) | C45—S41—C42—N43 | 0.69 (15) |
C25—S21—C22—N26 | 179.14 (17) | C45—S41—C42—N46 | −179.30 (17) |
N26—C22—N23—C24 | −178.86 (18) | N46—C42—N43—C44 | 179.12 (18) |
S21—C22—N23—C24 | 0.72 (19) | S41—C42—N43—C44 | −0.87 (19) |
N26—C22—N23—Cd | −1.1 (3) | N46—C42—N43—Cd | −5.8 (3) |
S21—C22—N23—Cd | 178.50 (8) | S41—C42—N43—Cd | 174.18 (8) |
N13—Cd—N23—C22 | −64.98 (15) | N13—Cd—N43—C42 | −105.72 (16) |
N33—Cd—N23—C22 | 116.52 (15) | N33—Cd—N43—C42 | 72.79 (16) |
Cl2—Cd—N23—C22 | 26.04 (15) | Cl2—Cd—N43—C42 | 163.17 (16) |
Cl1—Cd—N23—C22 | −155.79 (15) | Cl1—Cd—N43—C42 | −15.03 (16) |
N13—Cd—N23—C24 | 112.54 (14) | N13—Cd—N43—C44 | 68.91 (14) |
N33—Cd—N23—C24 | −65.97 (14) | N33—Cd—N43—C44 | −112.58 (14) |
Cl2—Cd—N23—C24 | −156.44 (13) | Cl2—Cd—N43—C44 | −22.20 (13) |
Cl1—Cd—N23—C24 | 21.73 (13) | Cl1—Cd—N43—C44 | 159.60 (13) |
C22—N23—C24—C25 | −0.7 (2) | C42—N43—C44—C45 | 0.7 (2) |
Cd—N23—C24—C25 | −178.63 (15) | Cd—N43—C44—C45 | −174.98 (15) |
N23—C24—C25—S21 | 0.4 (2) | N43—C44—C45—S41 | −0.2 (2) |
C22—S21—C25—C24 | 0.04 (17) | C42—S41—C45—C44 | −0.28 (17) |
D—H···A | D—H | H···A | D···A | D—H···A |
N16—H16A···N23 | 0.86 | 2.63 | 3.277 (2) | 133 |
N16—H16A···Cl1 | 0.86 | 2.81 | 3.3903 (19) | 126 |
N16—H16B···Cl2i | 0.86 | 2.52 | 3.2941 (18) | 151 |
N26—H26A···Cl2 | 0.86 | 2.41 | 3.1722 (17) | 149 |
N26—H26B···Cl1ii | 0.86 | 2.51 | 3.3300 (16) | 161 |
N36—H36A···N43 | 0.86 | 2.61 | 3.324 (2) | 142 |
N36—H36B···Cl1iii | 0.86 | 2.63 | 3.3810 (18) | 147 |
N46—H46A···Cl1 | 0.86 | 2.44 | 3.2135 (18) | 150 |
N46—H46B···N36iv | 0.86 | 2.56 | 3.417 (2) | 177 |
Symmetry codes: (i) x+1, y, z; (ii) x, −y+1/2, z+1/2; (iii) x−1, y, z; (iv) −x, −y, −z. |
Experimental details
Crystal data | |
Chemical formula | [CdCl2(C3H4N2S)4] |
Mr | 583.87 |
Crystal system, space group | Monoclinic, P21/c |
Temperature (K) | 296 |
a, b, c (Å) | 8.6056 (1), 15.2838 (2), 16.2097 (2) |
β (°) | 103.605 (1) |
V (Å3) | 2072.18 (4) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 1.73 |
Crystal size (mm) | 0.40 × 0.19 × 0.08 |
Data collection | |
Diffractometer | Bruker SMART CCD area-detector diffractometer |
Absorption correction | Multi-scan (SADABS; Bruker, 2001) |
Tmin, Tmax | 0.544, 0.87 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 21163, 5159, 4532 |
Rint | 0.020 |
(sin θ/λ)max (Å−1) | 0.669 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.021, 0.052, 1.05 |
No. of reflections | 5159 |
No. of parameters | 244 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.36, −0.30 |
Computer programs: SMART (Bruker, 2001), SAINT (Bruker, 2001), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL (Sheldrick, 2008).
D—H···A | D—H | H···A | D···A | D—H···A |
N16—H16A···N23 | 0.86 | 2.63 | 3.277 (2) | 132.7 |
N16—H16A···Cl1 | 0.86 | 2.81 | 3.3903 (19) | 125.9 |
N16—H16B···Cl2i | 0.86 | 2.52 | 3.2941 (18) | 150.8 |
N26—H26A···Cl2 | 0.86 | 2.41 | 3.1722 (17) | 148.8 |
N26—H26B···Cl1ii | 0.86 | 2.51 | 3.3300 (16) | 160.9 |
N36—H36A···N43 | 0.86 | 2.61 | 3.324 (2) | 141.8 |
N36—H36B···Cl1iii | 0.86 | 2.63 | 3.3810 (18) | 147.2 |
N46—H46A···Cl1 | 0.86 | 2.44 | 3.2135 (18) | 150.3 |
N46—H46B···N36iv | 0.86 | 2.56 | 3.417 (2) | 177.3 |
Symmetry codes: (i) x+1, y, z; (ii) x, −y+1/2, z+1/2; (iii) x−1, y, z; (iv) −x, −y, −z. |
References
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This is an open-access article distributed under the terms of the Creative Commons Attribution (CC-BY) Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.
Some heterocyclic organic compounds have biologically useful properties, having anti-tumour, anti-fungal, and anti-infection activities. Amongst these, aminothiazoles are an important type of N,S-containing heterocycle (Raper, 1994). The N and S atoms play a key role in the coordination of metals at the active sites of various metallobiomelecules (Karlin & Zubieta, 1983). The crystal structures of aminothiazole complexes have attracted recent interest (Suh et al., 2005, 2007, 2009; Batı et al., 2006; Davarski et al., 1996; Macíček & Davarski, 1993; Maniukiewicz, 2004; Raper et al., 1981). Herein, we report the synthesis and crystal structure of the title complex, (I).
As shown in Fig. 1, the complex (I) comprises discrete Cd(C3H4N2S)4Cl2 molecules. The octahedral CdII coordination environment is defined by four N atoms derived from four neutral monodentate 2-aminothiazole ligands and two Cl atoms [Cd—Cl = 2.6294 (5) and 2.6560 (4) Å, and Cd—N = 2.3569 (14)-2.4432 (14) Å]. The Cl atoms occupy trans positions. The amino groups participate in intra- and inter-molecular N—H···N and N—H···Cl hydrogen bonds (Table 1). In the crystal structure molecules are interconnected by these interactions into a three-dimensional hydrogen bond network (Fig. 2).