metal-organic compounds
Trichlorido(6-methyl-2,2′-bipyridine-κ2N,N′)(dimethylsulfoxide-κO)indium(III)
aDepartment of Chemistry, Omidieh Branch, Islamic Azad University, Omidieh, Iran, and bDepartment of Petroleum Engineering, Omidieh Branch, Islamic Azad University, Omidieh, Iran
*Correspondence e-mail: sadif_shirvan1@yahoo.com
In the title compound, [In(C11H10N2)Cl3(C2H6OS)], the InIII cation is six-coordinated in a distorted octahedral configuration by two N atoms from the chelating 6-methyl-2,2′-bipyridine ligand, one O atom from a dimethylsulfoxide group and three Cl− anions. Weak intermolecular C—H⋯O and C—H⋯Cl hydrogen bonds and intramolecular C—H⋯Cl hydrogen bonds are present in the structure.
Related literature
For related structures, see: Abedi et al. (2012a,b); Ahmadi et al. (2008a,b,c, 2009); Amani et al. (2009); Ilyukhin et al. (1994); Kalateh et al. (2008, 2010); Malyarick et al. (1992); Nan et al. (1987); Newkome et al. (1982); Onggo et al. (1990, 2005); Shirvan & Haydari Dezfuli (2012a,b); Shirvan et al. (2012).
Experimental
Crystal data
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Refinement
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Data collection: APEX2 (Bruker, 2007); cell SAINT (Bruker, 2007); 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/S1600536812041049/xu5625sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536812041049/xu5625Isup2.hkl
For the preparation of the title compound, (I), a solution of 6-methyl-2,2'-bipyridine (0.28 g, 0.26 ml, 1.65 mmol) in methanol (10 ml) was added to a solution of InCl3.4H2O (0.48 g, 1.65 mmol) in methanol (10 ml) at room temperature. The suitable crystals for X-ray diffraction experiment were obtained by methanol diffusion to a colorless solution in DMSO. Suitable crystals were isolated after one week (yield; 0.56 g, 72.3%).
All H atoms were positioned geometrically with C—H = 0.93 and 0.96 Å and constrained to ride on their parent atoms with Uiso(H) = 1.5Ueq(C) for methyl H atoms and 1.2Ueq(C) for the others.
Data collection: APEX2 (Bruker, 2007); cell
SAINT (Bruker, 2007); data reduction: SAINT (Bruker, 2007); 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).[In(C11H10N2)Cl3(C2H6OS)] | F(000) = 928 |
Mr = 469.52 | Dx = 1.754 Mg m−3 |
Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2ybc | Cell parameters from 14275 reflections |
a = 13.0169 (6) Å | θ = 1.6–26.0° |
b = 8.5548 (3) Å | µ = 1.90 mm−1 |
c = 15.9964 (8) Å | T = 298 K |
β = 93.393 (4)° | Prism, colorless |
V = 1778.19 (14) Å3 | 0.40 × 0.25 × 0.20 mm |
Z = 4 |
Bruker APEXII CCD area detector diffractometer | 3496 independent reflections |
Radiation source: fine-focus sealed tube | 2831 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.053 |
ω scans | θmax = 26.0°, θmin = 1.6° |
Absorption correction: multi-scan (SADABS; Bruker, 2001) | h = −16→15 |
Tmin = 0.581, Tmax = 0.701 | k = −10→10 |
14275 measured reflections | l = −17→19 |
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)] = 0.033 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.076 | H-atom parameters constrained |
S = 1.04 | w = 1/[σ2(Fo2) + (0.042P)2] where P = (Fo2 + 2Fc2)/3 |
3496 reflections | (Δ/σ)max = 0.013 |
192 parameters | Δρmax = 0.65 e Å−3 |
0 restraints | Δρmin = −0.54 e Å−3 |
[In(C11H10N2)Cl3(C2H6OS)] | V = 1778.19 (14) Å3 |
Mr = 469.52 | Z = 4 |
Monoclinic, P21/c | Mo Kα radiation |
a = 13.0169 (6) Å | µ = 1.90 mm−1 |
b = 8.5548 (3) Å | T = 298 K |
c = 15.9964 (8) Å | 0.40 × 0.25 × 0.20 mm |
β = 93.393 (4)° |
Bruker APEXII CCD area detector diffractometer | 3496 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2001) | 2831 reflections with I > 2σ(I) |
Tmin = 0.581, Tmax = 0.701 | Rint = 0.053 |
14275 measured reflections |
R[F2 > 2σ(F2)] = 0.033 | 0 restraints |
wR(F2) = 0.076 | H-atom parameters constrained |
S = 1.04 | Δρmax = 0.65 e Å−3 |
3496 reflections | Δρmin = −0.54 e Å−3 |
192 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 | ||
N1 | 0.2514 (2) | 0.9449 (3) | 0.13539 (18) | 0.0467 (7) | |
Cl1 | 0.12219 (10) | 0.60548 (12) | 0.13692 (9) | 0.0801 (4) | |
C11 | 0.0925 (4) | 0.6719 (6) | −0.1127 (4) | 0.0878 (16) | |
H11A | 0.0557 | 0.6185 | −0.0709 | 0.105* | |
H11B | 0.1589 | 0.6247 | −0.1165 | 0.105* | |
H11C | 0.0545 | 0.6644 | −0.1658 | 0.105* | |
Cl2 | 0.40731 (9) | 0.63682 (14) | 0.17190 (7) | 0.0715 (3) | |
N2 | 0.1563 (2) | 0.8750 (3) | −0.01655 (19) | 0.0455 (7) | |
C5 | 0.2065 (3) | 1.0631 (4) | 0.0914 (2) | 0.0453 (8) | |
C2 | 0.2834 (4) | 1.1141 (5) | 0.2520 (3) | 0.0704 (12) | |
H2 | 0.3095 | 1.1284 | 0.3069 | 0.084* | |
C3 | 0.2403 (4) | 1.2359 (5) | 0.2066 (3) | 0.0676 (12) | |
H3 | 0.2373 | 1.3349 | 0.2304 | 0.081* | |
In1 | 0.269337 (19) | 0.71247 (3) | 0.069351 (15) | 0.04247 (9) | |
C6 | 0.1608 (3) | 1.0271 (4) | 0.0064 (2) | 0.0458 (8) | |
Cl3 | 0.30194 (9) | 0.49559 (11) | −0.02363 (7) | 0.0630 (3) | |
S1 | 0.38648 (7) | 0.84709 (11) | −0.09440 (5) | 0.0444 (2) | |
C9 | 0.0639 (3) | 0.9526 (7) | −0.1425 (3) | 0.0697 (12) | |
H9 | 0.0300 | 0.9247 | −0.1932 | 0.084* | |
C12 | 0.5099 (4) | 0.7693 (6) | −0.1071 (3) | 0.0766 (13) | |
H12C | 0.5248 | 0.7738 | −0.1651 | 0.092* | |
H12B | 0.5121 | 0.6626 | −0.0885 | 0.092* | |
H12A | 0.5602 | 0.8292 | −0.0745 | 0.092* | |
C10 | 0.1050 (3) | 0.8364 (5) | −0.0894 (3) | 0.0572 (10) | |
C13 | 0.4079 (4) | 1.0435 (5) | −0.1239 (3) | 0.0660 (11) | |
H13A | 0.4648 | 1.0855 | −0.0902 | 0.079* | |
H13B | 0.3473 | 1.1042 | −0.1157 | 0.079* | |
H13C | 0.4232 | 1.0472 | −0.1819 | 0.079* | |
C8 | 0.0727 (4) | 1.1049 (7) | −0.1215 (3) | 0.0752 (13) | |
H8 | 0.0467 | 1.1820 | −0.1579 | 0.090* | |
C1 | 0.2870 (4) | 0.9711 (5) | 0.2141 (2) | 0.0635 (11) | |
H1 | 0.3156 | 0.8878 | 0.2448 | 0.076* | |
C7 | 0.1207 (3) | 1.1444 (5) | −0.0456 (3) | 0.0668 (11) | |
H7 | 0.1262 | 1.2486 | −0.0293 | 0.080* | |
O1 | 0.37807 (18) | 0.8589 (3) | 0.00075 (14) | 0.0470 (6) | |
C4 | 0.2017 (3) | 1.2113 (4) | 0.1264 (3) | 0.0581 (10) | |
H4 | 0.1722 | 1.2935 | 0.0954 | 0.070* |
U11 | U22 | U33 | U12 | U13 | U23 | |
N1 | 0.0648 (19) | 0.0362 (15) | 0.0397 (16) | −0.0001 (13) | 0.0090 (13) | 0.0021 (13) |
Cl1 | 0.0865 (8) | 0.0494 (6) | 0.1099 (9) | −0.0006 (5) | 0.0514 (7) | 0.0107 (6) |
C11 | 0.080 (3) | 0.086 (4) | 0.093 (4) | −0.007 (3) | −0.024 (3) | −0.025 (3) |
Cl2 | 0.0945 (8) | 0.0633 (6) | 0.0549 (6) | 0.0203 (6) | −0.0109 (5) | 0.0082 (5) |
N2 | 0.0420 (15) | 0.0475 (17) | 0.0473 (17) | −0.0019 (13) | 0.0036 (13) | 0.0010 (13) |
C5 | 0.0477 (19) | 0.0385 (18) | 0.051 (2) | −0.0012 (15) | 0.0133 (16) | 0.0036 (15) |
C2 | 0.105 (3) | 0.059 (3) | 0.048 (2) | −0.010 (2) | 0.010 (2) | −0.010 (2) |
C3 | 0.088 (3) | 0.044 (2) | 0.072 (3) | −0.004 (2) | 0.018 (2) | −0.013 (2) |
In1 | 0.05532 (16) | 0.03124 (13) | 0.04150 (14) | 0.00100 (11) | 0.00834 (10) | 0.00223 (10) |
C6 | 0.0443 (18) | 0.0391 (18) | 0.055 (2) | 0.0020 (14) | 0.0118 (16) | 0.0051 (16) |
Cl3 | 0.0866 (7) | 0.0446 (5) | 0.0588 (6) | 0.0033 (5) | 0.0124 (5) | −0.0110 (4) |
S1 | 0.0469 (5) | 0.0475 (5) | 0.0386 (4) | −0.0044 (4) | 0.0013 (4) | 0.0013 (4) |
C9 | 0.053 (2) | 0.102 (4) | 0.053 (2) | 0.010 (2) | −0.0027 (19) | 0.002 (3) |
C12 | 0.072 (3) | 0.092 (3) | 0.067 (3) | 0.027 (3) | 0.017 (2) | 0.000 (3) |
C10 | 0.046 (2) | 0.069 (3) | 0.056 (2) | −0.0017 (18) | 0.0019 (18) | −0.007 (2) |
C13 | 0.094 (3) | 0.056 (2) | 0.048 (2) | −0.006 (2) | 0.004 (2) | 0.0128 (19) |
C8 | 0.079 (3) | 0.088 (4) | 0.058 (3) | 0.024 (3) | 0.000 (2) | 0.017 (2) |
C1 | 0.099 (3) | 0.050 (2) | 0.042 (2) | −0.002 (2) | 0.006 (2) | 0.0023 (17) |
C7 | 0.079 (3) | 0.057 (2) | 0.065 (3) | 0.016 (2) | 0.009 (2) | 0.014 (2) |
O1 | 0.0514 (14) | 0.0532 (14) | 0.0367 (13) | −0.0085 (11) | 0.0046 (10) | 0.0020 (11) |
C4 | 0.067 (2) | 0.0359 (18) | 0.073 (3) | 0.0062 (18) | 0.010 (2) | −0.0004 (19) |
In1—Cl1 | 2.4330 (10) | C3—H3 | 0.9300 |
In1—Cl2 | 2.4468 (11) | C6—C7 | 1.385 (5) |
In1—Cl3 | 2.4309 (9) | S1—O1 | 1.536 (2) |
In1—O1 | 2.227 (2) | S1—C12 | 1.762 (4) |
In1—N1 | 2.270 (3) | S1—C13 | 1.772 (4) |
In1—N2 | 2.398 (3) | C9—C8 | 1.348 (7) |
N1—C1 | 1.335 (5) | C9—C10 | 1.394 (6) |
N1—C5 | 1.346 (4) | C9—H9 | 0.9300 |
C11—C10 | 1.462 (6) | C12—H12C | 0.9600 |
C11—H11A | 0.9600 | C12—H12B | 0.9600 |
C11—H11B | 0.9600 | C12—H12A | 0.9600 |
C11—H11C | 0.9600 | C13—H13A | 0.9600 |
N2—C10 | 1.349 (5) | C13—H13B | 0.9600 |
N2—C6 | 1.353 (4) | C13—H13C | 0.9600 |
C5—C4 | 1.390 (5) | C8—C7 | 1.376 (7) |
C5—C6 | 1.483 (5) | C8—H8 | 0.9300 |
C2—C1 | 1.368 (6) | C1—H1 | 0.9300 |
C2—C3 | 1.371 (7) | C7—H7 | 0.9300 |
C2—H2 | 0.9300 | C4—H4 | 0.9300 |
C3—C4 | 1.367 (7) | ||
C1—N1—C5 | 118.9 (3) | N2—C6—C5 | 117.2 (3) |
C1—N1—In1 | 123.2 (3) | C7—C6—C5 | 121.1 (3) |
C5—N1—In1 | 117.9 (2) | O1—S1—C12 | 104.9 (2) |
C10—C11—H11A | 109.5 | O1—S1—C13 | 102.90 (18) |
C10—C11—H11B | 109.5 | C12—S1—C13 | 99.7 (2) |
H11A—C11—H11B | 109.5 | C8—C9—C10 | 120.9 (4) |
C10—C11—H11C | 109.5 | C8—C9—H9 | 119.6 |
H11A—C11—H11C | 109.5 | C10—C9—H9 | 119.6 |
H11B—C11—H11C | 109.5 | S1—C12—H12C | 109.5 |
C10—N2—C6 | 118.8 (3) | S1—C12—H12B | 109.5 |
C10—N2—In1 | 127.5 (3) | H12C—C12—H12B | 109.5 |
C6—N2—In1 | 112.8 (2) | S1—C12—H12A | 109.5 |
N1—C5—C4 | 120.2 (4) | H12C—C12—H12A | 109.5 |
N1—C5—C6 | 117.5 (3) | H12B—C12—H12A | 109.5 |
C4—C5—C6 | 122.2 (3) | N2—C10—C9 | 120.3 (4) |
C1—C2—C3 | 117.9 (4) | N2—C10—C11 | 119.8 (4) |
C1—C2—H2 | 121.0 | C9—C10—C11 | 119.9 (4) |
C3—C2—H2 | 121.0 | S1—C13—H13A | 109.5 |
C4—C3—C2 | 119.8 (4) | S1—C13—H13B | 109.5 |
C4—C3—H3 | 120.1 | H13A—C13—H13B | 109.5 |
C2—C3—H3 | 120.1 | S1—C13—H13C | 109.5 |
O1—In1—N1 | 79.77 (10) | H13A—C13—H13C | 109.5 |
O1—In1—N2 | 77.17 (9) | H13B—C13—H13C | 109.5 |
N1—In1—N2 | 71.48 (10) | C9—C8—C7 | 119.0 (4) |
O1—In1—Cl3 | 89.36 (7) | C9—C8—H8 | 120.5 |
N1—In1—Cl3 | 168.44 (8) | C7—C8—H8 | 120.5 |
N2—In1—Cl3 | 102.44 (8) | N1—C1—C2 | 123.3 (4) |
O1—In1—Cl1 | 166.02 (7) | N1—C1—H1 | 118.3 |
N1—In1—Cl1 | 91.00 (8) | C2—C1—H1 | 118.3 |
N2—In1—Cl1 | 90.00 (7) | C8—C7—C6 | 119.2 (4) |
Cl3—In1—Cl1 | 98.93 (4) | C8—C7—H7 | 120.4 |
O1—In1—Cl2 | 90.94 (7) | C6—C7—H7 | 120.4 |
N1—In1—Cl2 | 90.64 (8) | S1—O1—In1 | 122.40 (14) |
N2—In1—Cl2 | 159.89 (8) | C3—C4—C5 | 119.7 (4) |
Cl3—In1—Cl2 | 93.47 (4) | C3—C4—H4 | 120.1 |
Cl1—In1—Cl2 | 99.71 (5) | C5—C4—H4 | 120.1 |
N2—C6—C7 | 121.7 (4) | ||
C1—N1—C5—C4 | 2.8 (5) | In1—N2—C6—C5 | −17.8 (4) |
In1—N1—C5—C4 | −174.4 (3) | N1—C5—C6—N2 | 7.9 (5) |
C1—N1—C5—C6 | −175.5 (3) | C4—C5—C6—N2 | −170.3 (3) |
In1—N1—C5—C6 | 7.3 (4) | N1—C5—C6—C7 | −174.6 (3) |
C1—C2—C3—C4 | 0.6 (7) | C4—C5—C6—C7 | 7.1 (5) |
C1—N1—In1—O1 | −109.3 (3) | C6—N2—C10—C9 | 4.4 (5) |
C5—N1—In1—O1 | 67.8 (2) | In1—N2—C10—C9 | −163.4 (3) |
C1—N1—In1—N2 | 170.9 (3) | C6—N2—C10—C11 | −175.5 (4) |
C5—N1—In1—N2 | −12.0 (2) | In1—N2—C10—C11 | 16.7 (5) |
C1—N1—In1—Cl3 | −129.4 (4) | C8—C9—C10—N2 | −1.3 (6) |
C5—N1—In1—Cl3 | 47.8 (6) | C8—C9—C10—C11 | 178.6 (5) |
C1—N1—In1—Cl1 | 81.2 (3) | C10—C9—C8—C7 | −1.7 (7) |
C5—N1—In1—Cl1 | −101.6 (2) | C5—N1—C1—C2 | −2.3 (6) |
C1—N1—In1—Cl2 | −18.5 (3) | In1—N1—C1—C2 | 174.8 (3) |
C5—N1—In1—Cl2 | 158.7 (2) | C3—C2—C1—N1 | 0.6 (7) |
C10—N2—In1—O1 | 100.7 (3) | C9—C8—C7—C6 | 1.5 (7) |
C6—N2—In1—O1 | −67.7 (2) | N2—C6—C7—C8 | 1.7 (6) |
C10—N2—In1—N1 | −176.0 (3) | C5—C6—C7—C8 | −175.6 (4) |
C6—N2—In1—N1 | 15.6 (2) | C12—S1—O1—In1 | −112.8 (2) |
C10—N2—In1—Cl3 | 14.2 (3) | C13—S1—O1—In1 | 143.3 (2) |
C6—N2—In1—Cl3 | −154.2 (2) | N1—In1—O1—S1 | −139.25 (18) |
C10—N2—In1—Cl1 | −84.9 (3) | N2—In1—O1—S1 | −66.10 (17) |
C6—N2—In1—Cl1 | 106.7 (2) | Cl3—In1—O1—S1 | 36.81 (16) |
C10—N2—In1—Cl2 | 155.7 (2) | Cl1—In1—O1—S1 | −89.9 (3) |
C6—N2—In1—Cl2 | −12.7 (4) | Cl2—In1—O1—S1 | 130.27 (16) |
C10—N2—C6—C7 | −4.7 (5) | C2—C3—C4—C5 | −0.1 (7) |
In1—N2—C6—C7 | 164.9 (3) | N1—C5—C4—C3 | −1.7 (6) |
C10—N2—C6—C5 | 172.7 (3) | C6—C5—C4—C3 | 176.5 (4) |
D—H···A | D—H | H···A | D···A | D—H···A |
C1—H1···Cl2 | 0.93 | 2.75 | 3.348 (5) | 123 |
C11—H11B···Cl3 | 0.96 | 2.56 | 3.358 (6) | 140 |
C13—H13A···O1i | 0.96 | 2.47 | 3.419 (6) | 169 |
C13—H13C···Cl2ii | 0.96 | 2.82 | 3.612 (5) | 141 |
Symmetry codes: (i) −x+1, −y+2, −z; (ii) x, −y+3/2, z−1/2. |
Experimental details
Crystal data | |
Chemical formula | [In(C11H10N2)Cl3(C2H6OS)] |
Mr | 469.52 |
Crystal system, space group | Monoclinic, P21/c |
Temperature (K) | 298 |
a, b, c (Å) | 13.0169 (6), 8.5548 (3), 15.9964 (8) |
β (°) | 93.393 (4) |
V (Å3) | 1778.19 (14) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 1.90 |
Crystal size (mm) | 0.40 × 0.25 × 0.20 |
Data collection | |
Diffractometer | Bruker APEXII CCD area detector diffractometer |
Absorption correction | Multi-scan (SADABS; Bruker, 2001) |
Tmin, Tmax | 0.581, 0.701 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 14275, 3496, 2831 |
Rint | 0.053 |
(sin θ/λ)max (Å−1) | 0.617 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.033, 0.076, 1.04 |
No. of reflections | 3496 |
No. of parameters | 192 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.65, −0.54 |
Computer programs: APEX2 (Bruker, 2007), SAINT (Bruker, 2007), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL (Sheldrick, 2008).
In1—Cl1 | 2.4330 (10) | In1—O1 | 2.227 (2) |
In1—Cl2 | 2.4468 (11) | In1—N1 | 2.270 (3) |
In1—Cl3 | 2.4309 (9) | In1—N2 | 2.398 (3) |
D—H···A | D—H | H···A | D···A | D—H···A |
C1—H1···Cl2 | 0.93 | 2.75 | 3.348 (5) | 123 |
C11—H11B···Cl3 | 0.96 | 2.56 | 3.358 (6) | 140 |
C13—H13A···O1i | 0.96 | 2.47 | 3.419 (6) | 169 |
C13—H13C···Cl2ii | 0.96 | 2.82 | 3.612 (5) | 141 |
Symmetry codes: (i) −x+1, −y+2, −z; (ii) x, −y+3/2, z−1/2. |
Acknowledgements
We are grateful to the Islamic Azad University, Omidieh Branch, for financial support.
References
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Recently, we reported the synthesis and crystal structure of [In(4,4'-dmbipy)Cl3(MeOH)].MeOH, (II), (Shirvan & Haydari Dezfuli, 2012a) and [In{NH(py)2)Cl3(DMSO)], (III), (Shirvan & Haydari Dezfuli, 2012b) [where 4,4'-dmbpy is 4,4'-dimethyl-2,2'-bipyridine and NH(py)2 is di-2-pyridylamine]. There are several InIII complexes, with formula, [In(N—N)Cl3(L)], (L = DMSO, H2O, MeOH and EtOH), such as [In(bipy)Cl3(H2O)], (IV), [In(bipy)Cl3(EtOH)], (V) and [In(bipy)Cl3(H2O)].H2O, (VI), (Malyarick et al., 1992), [In(phen)Cl3(DMSO)], (VII), (Nan et al., 1987), [In(phen)Cl3(H2O)], (VIII) and [In(phen)Cl3(EtOH)].EtOH, (IX), (Ilyukhin & Malyarik, 1994), [In(4,4'-dmbipy)Cl3(DMSO)], (X), (Ahmadi et al., 2008a), [In(5,5'-dmbipy)Cl3(MeOH)], (XI), (Kalateh et al., 2008), [In(4,4'-dtbipy)Cl3(MeOH)].0.5MeOH, (XII), (Abedi et al., 2012a), [In(4 b t)Cl3(MeOH)], (XIII) and [In(4 b t)Cl3(DMSO)], (XIV), (Abedi et al., 2012b) [where bipy is 2,2'-bipyridine, phen is 1,10-phenanthroline, DMSO is dimethyl sulfoxide, 4,4'-dmbpy is 4,4'-dimethyl-2,2'-bipyridine, 5,5'-dmbpy is 5,5'-dimethyl-2,2'-bipyridine, 4,4'-dtbipy is 4,4'-di-τert-butyl-2,2'-bipyridine and 4 b t is 4,4'-bithiazole] have been synthesized and characterized by single-crystal X-ray diffraction methods. 6-Methyl-2,2'-bipyridine (6-mbipy) is a good ligand and a few complexes with 6-mbipy have been prepared, such as that of [Hg(6-mbipy)Cl2], (XV), (Ahmadi et al., 2008b), [Pt(6-mbipy)Cl4], (XVI), (Amani et al., 2009), [Pb4(NO3)8(6-mbipy)4], (XVII), (Ahmadi et al., 2009), [Zn(6-mbipy)Br2], (XVIII), (Kalateh et al., 2010), [Zn(6-mbipy)Cl2], (IXX), (Ahmadi et al., 2008c), [Pd(6-mbipy)Cl2], (XX), (Newkome et al., 1982), [Ru(6-mbipy)3][BF4]2, (XXI), (Onggo et al., 2005), [Fe(6-mbipy)3][ClO4]2.6-mbipy, (XXII), (Onggo et al., 1990), and [Cd(6-mbipy)Br2(DMSO)], (XXIII), (Shirvan et al., 2012). We report herein the synthesis and crystal structure of the title compound (I).
In the title compound, (Fig. 1), the InIII atom is six-coordinated in a distorted octahedral configuration by two N atoms from the chelating 6-methyl-2,2'-bipyridine ligand, one O atom from a dimethyl sulfoxide and three Cl atoms. The In—Cl, In—N and In—O bond lengths and angles are collected in Table 1.
In the crystal structure, intermolecular C—H···O and C—H···Cl hydrogen bonds and π-π contact (Table 2 & Fig. 2) between the pyridine rings, Cg3—Cg3i [symmetry cods: (i) –X,2-Y,-Z, where Cg3 is centroid of the ring (N2/C6—C10)] may stabilize the structure, with centroid-centroid distance 3.774 (2) Å.