metal-organic compounds
Bis{μ-4,4′-dibromo-2,2′-[o-phenylenebis(nitrilomethylidyne)]diphenolato}bis[chloridomanganese(III)] N,N-dimethylformamide disolvate
aSchool of Applied Chemical Engineering, The Research Institute of Catalysis, Chonnam National University, Gwangju 500-757, Republic of Korea
*Correspondence e-mail: hakwang@chonnam.ac.kr
The 2(C20H12Br2N2O2)2Cl2]·2C3H7NO, contains one half of a centrosymmetric dinuclear MnIII complex and an N,N-dimethylformamide solvent molecule. In the complex, the two MnIII ions are bridged by two O atoms from two symmetry-related N,N′-bis(5-bromosalicylidene)-1,2-diiminobenzene dianionic ligands with the longer Mn—O distance of 2.703 (3) Å, thus each Mn ion is six-coordinated by two N and three O atoms from the two dianionic ligands and one capping Cl atom in a distorted octahedral environment. The displays intermolecular π–π interactions between adjacent benzene rings, with a shortest centroid–centroid distance of 3.673 (2) Å, and intermolecular C—H⋯O, C—H⋯ Cl and C—H⋯ Br hydrogen bonds.
of the title compound, [MnRelated literature
For the 2O)]2(ClO4)2 (H2salen = N,N′-bis(salicylidene)ethylenediimine), see: Shyu et al. (1999). For the crystal structures of 5-bromosalicylideneimine–Mn(III) complexes, see: Dang et al. (2005); Hwang & Ha (2007); Mitra et al. (2006).
of dinuclear [Mn(salen)(HExperimental
Crystal data
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Refinement
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Data collection: SMART (Bruker, 2000); cell SAINT (Bruker, 2000); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 (Farrugia, 1997) and PLATON (Spek, 2009); software used to prepare material for publication: SHELXL97.
Supporting information
https://doi.org/10.1107/S1600536810003247/xu2722sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S1600536810003247/xu2722Isup2.hkl
Mn(CH3CO2)3.2H2O (0.50 g, 1.86 mmol), NaCl (0.11 g, 1.88 mmol) and N,N'-bis(5-bromosalicylidene)-1,2-diiminobenzene (0.89 g, 1.88 mmol) in EtOH (50 ml) and acetone (20 ml) were stirred for 2 h at room temperature. The formed precipitate was separated by filtration and washed with acetone and ether and dried under vacuum, to give a dark brown powder (1.02 g). Crystals suitable for X-ray analysis were obtained by slow evaporation under vacuum from an N,N-dimethylformamide solution.
H atoms were positioned geometrically and allowed to ride on their respective parent atoms [C—H = 0.95 Å (CH) or 0.98 Å (CH3) and Uiso(H) = 1.2Ueq(CH) or 1.5Ueq(CH3)].
The title compound, [Mn(C20H12Br2N2O2)Cl]2.2(C3H7NO), consists of a structurally centrosymmetric dinuclear MnIII complex and two N,N-dimethylformamide solvent molecules, and the π-π interactions between adjacent benzene rings, with a shortest centroid-centroid distance of 3.673 (2) Å, and intermolecular C—H···O/Cl/Br hydrogen bonds (Fig. 2 and Table 2).
contains one half of the formula unit (Fig. 1). In the complex, two MnIII ions are bridged by two phenolic O atoms from two symmetry-related N,N'-bis(5-bromosalicylidene)-1,2-diiminobenzene dianionic ligands, and the distance between the Mn atoms is 3.5277 (10) Å. Each Mn ion is six-coordinated by two N and three O atoms from the two dianionic ligands and one capping Cl atom in a distorted octahedral environment (Table 1). While the two Mn—N bond distances are nearly equal [1.991 (3) Å and 1.994 (3) Å], the three Mn—O bond lengths are somewhat different. The equatorial Mn1—O1/O2 bonds [1.869 (3) Å and 1.884 (3) Å] are considerably shorter than the axial Mn1—O2a bond [Symmetry code: (a) 1 - x, -y, 1 - z; 2.703 (3) Å]. Within the equatorial plane, the chelating angles lie in the range of 82.42 (14)°–92.38 (14)° and the <O1—Mn1—O2 bond angle is 90.84 (12)°. The apical <Cl1—Mn1—O2a bond angle is 173.85 (7)°. The displays intermolecularFor the
of dinuclear [Mn(salen)(H2O)]2(ClO4)2 (H2salen = N,N'-bis(salicylidene)ethylenediimine), see: Shyu et al. (1999). For the crystal structures of 5-bromosalicylideneimine–Mn(III) complexes, see: Dang et al. (2005); Hwang & Ha (2007); Mitra et al. (2006).Data collection: SMART (Bruker, 2000); cell
SAINT (Bruker, 2000); data reduction: SAINT (Bruker, 2000); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 (Farrugia, 1997) and PLATON (Spek, 2009); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008).[Mn2(C20H12Br2N2O2)2Cl2]·2C3H7NO | F(000) = 1256 |
Mr = 1271.24 | Dx = 1.808 Mg m−3 |
Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2ybc | Cell parameters from 3984 reflections |
a = 9.7804 (6) Å | θ = 2.3–27.8° |
b = 20.1342 (12) Å | µ = 4.13 mm−1 |
c = 11.8593 (6) Å | T = 200 K |
β = 90.938 (1)° | Block, brown |
V = 2335.0 (2) Å3 | 0.26 × 0.10 × 0.07 mm |
Z = 2 |
Bruker SMART 1000 CCD diffractometer | 5763 independent reflections |
Radiation source: fine-focus sealed tube | 3286 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.067 |
φ and ω scans | θmax = 28.3°, θmin = 2.0° |
Absorption correction: multi-scan (SADABS; Bruker, 2000) | h = −13→13 |
Tmin = 0.742, Tmax = 1.000 | k = −26→25 |
17204 measured reflections | l = −9→15 |
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)] = 0.045 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.111 | H-atom parameters constrained |
S = 1.01 | w = 1/[σ2(Fo2) + (0.0372P)2] where P = (Fo2 + 2Fc2)/3 |
5763 reflections | (Δ/σ)max < 0.001 |
300 parameters | Δρmax = 0.73 e Å−3 |
0 restraints | Δρmin = −0.87 e Å−3 |
[Mn2(C20H12Br2N2O2)2Cl2]·2C3H7NO | V = 2335.0 (2) Å3 |
Mr = 1271.24 | Z = 2 |
Monoclinic, P21/c | Mo Kα radiation |
a = 9.7804 (6) Å | µ = 4.13 mm−1 |
b = 20.1342 (12) Å | T = 200 K |
c = 11.8593 (6) Å | 0.26 × 0.10 × 0.07 mm |
β = 90.938 (1)° |
Bruker SMART 1000 CCD diffractometer | 5763 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2000) | 3286 reflections with I > 2σ(I) |
Tmin = 0.742, Tmax = 1.000 | Rint = 0.067 |
17204 measured reflections |
R[F2 > 2σ(F2)] = 0.045 | 0 restraints |
wR(F2) = 0.111 | H-atom parameters constrained |
S = 1.01 | Δρmax = 0.73 e Å−3 |
5763 reflections | Δρmin = −0.87 e Å−3 |
300 parameters |
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. |
x | y | z | Uiso*/Ueq | ||
Mn1 | 0.33723 (7) | 0.03642 (3) | 0.48099 (5) | 0.02156 (17) | |
Br1 | −0.07312 (5) | −0.20087 (3) | 0.13904 (4) | 0.04294 (17) | |
Br2 | 0.80307 (6) | 0.30297 (3) | 0.65558 (4) | 0.04307 (17) | |
Cl1 | 0.20464 (11) | 0.13541 (6) | 0.43825 (9) | 0.0301 (3) | |
O1 | 0.3251 (3) | −0.00461 (15) | 0.3398 (2) | 0.0252 (7) | |
O2 | 0.5128 (3) | 0.06888 (14) | 0.4485 (2) | 0.0225 (7) | |
N1 | 0.1887 (3) | −0.01986 (17) | 0.5427 (3) | 0.0200 (8) | |
N2 | 0.3604 (3) | 0.06227 (17) | 0.6425 (3) | 0.0200 (8) | |
C1 | 0.2337 (4) | −0.0470 (2) | 0.3001 (3) | 0.0212 (10) | |
C2 | 0.2434 (5) | −0.0675 (2) | 0.1874 (3) | 0.0259 (11) | |
H2 | 0.3143 | −0.0498 | 0.1425 | 0.031* | |
C3 | 0.1542 (5) | −0.1118 (2) | 0.1405 (4) | 0.0276 (11) | |
H3 | 0.1631 | −0.1250 | 0.0641 | 0.033* | |
C4 | 0.0485 (4) | −0.1379 (2) | 0.2063 (4) | 0.0253 (10) | |
C5 | 0.0369 (4) | −0.1213 (2) | 0.3164 (4) | 0.0262 (11) | |
H5 | −0.0331 | −0.1407 | 0.3602 | 0.031* | |
C6 | 0.1289 (4) | −0.0750 (2) | 0.3666 (4) | 0.0227 (10) | |
C7 | 0.1164 (4) | −0.0620 (2) | 0.4843 (3) | 0.0221 (10) | |
H7 | 0.0489 | −0.0863 | 0.5235 | 0.027* | |
C8 | 0.1754 (4) | −0.0142 (2) | 0.6626 (3) | 0.0203 (10) | |
C9 | 0.0778 (4) | −0.0469 (2) | 0.7259 (4) | 0.0243 (10) | |
H9 | 0.0126 | −0.0751 | 0.6902 | 0.029* | |
C10 | 0.0767 (5) | −0.0378 (2) | 0.8416 (4) | 0.0294 (11) | |
H10 | 0.0101 | −0.0600 | 0.8854 | 0.035* | |
C11 | 0.1716 (5) | 0.0031 (2) | 0.8938 (4) | 0.0294 (11) | |
H11 | 0.1699 | 0.0085 | 0.9733 | 0.035* | |
C12 | 0.2684 (5) | 0.0360 (2) | 0.8326 (4) | 0.0267 (11) | |
H12 | 0.3339 | 0.0636 | 0.8694 | 0.032* | |
C13 | 0.2693 (4) | 0.0283 (2) | 0.7156 (3) | 0.0211 (10) | |
C14 | 0.4430 (4) | 0.1081 (2) | 0.6771 (3) | 0.0241 (10) | |
H14 | 0.4422 | 0.1191 | 0.7550 | 0.029* | |
C15 | 0.5364 (4) | 0.1440 (2) | 0.6067 (3) | 0.0223 (10) | |
C16 | 0.6084 (4) | 0.1977 (2) | 0.6544 (4) | 0.0253 (10) | |
H16 | 0.5926 | 0.2104 | 0.7302 | 0.030* | |
C17 | 0.7015 (5) | 0.2317 (2) | 0.5916 (4) | 0.0246 (10) | |
C18 | 0.7236 (5) | 0.2148 (2) | 0.4793 (4) | 0.0272 (11) | |
H18 | 0.7852 | 0.2401 | 0.4354 | 0.033* | |
C19 | 0.6564 (4) | 0.1618 (2) | 0.4328 (4) | 0.0250 (10) | |
H19 | 0.6724 | 0.1504 | 0.3564 | 0.030* | |
C20 | 0.5642 (4) | 0.1237 (2) | 0.4949 (3) | 0.0218 (10) | |
O3 | 0.4905 (4) | 0.1586 (2) | −0.0718 (3) | 0.0526 (11) | |
N3 | 0.3774 (5) | 0.1726 (2) | 0.0910 (3) | 0.0434 (11) | |
C21 | 0.4185 (5) | 0.1909 (3) | −0.0094 (4) | 0.0394 (13) | |
H21 | 0.3893 | 0.2332 | −0.0358 | 0.047* | |
C22 | 0.2859 (6) | 0.2150 (3) | 0.1564 (5) | 0.0637 (19) | |
H22A | 0.2676 | 0.2561 | 0.1148 | 0.096* | |
H22B | 0.3294 | 0.2255 | 0.2293 | 0.096* | |
H22C | 0.1997 | 0.1915 | 0.1689 | 0.096* | |
C23 | 0.4163 (8) | 0.1103 (3) | 0.1379 (5) | 0.078 (2) | |
H23A | 0.4858 | 0.0897 | 0.0906 | 0.117* | |
H23B | 0.3361 | 0.0813 | 0.1413 | 0.117* | |
H23C | 0.4539 | 0.1170 | 0.2142 | 0.117* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Mn1 | 0.0221 (4) | 0.0250 (4) | 0.0177 (4) | −0.0037 (3) | 0.0021 (3) | −0.0023 (3) |
Br1 | 0.0400 (3) | 0.0505 (4) | 0.0382 (3) | −0.0164 (3) | −0.0034 (2) | −0.0141 (3) |
Br2 | 0.0603 (4) | 0.0382 (3) | 0.0309 (3) | −0.0249 (3) | 0.0080 (2) | −0.0088 (2) |
Cl1 | 0.0297 (6) | 0.0288 (7) | 0.0318 (7) | 0.0011 (5) | 0.0009 (5) | 0.0034 (5) |
O1 | 0.0263 (17) | 0.0306 (19) | 0.0187 (17) | −0.0060 (14) | −0.0014 (13) | −0.0034 (13) |
O2 | 0.0200 (16) | 0.0275 (18) | 0.0201 (16) | −0.0051 (13) | 0.0049 (12) | −0.0089 (13) |
N1 | 0.0218 (19) | 0.020 (2) | 0.0180 (19) | 0.0009 (16) | 0.0016 (15) | 0.0020 (15) |
N2 | 0.0219 (19) | 0.018 (2) | 0.020 (2) | 0.0006 (16) | 0.0005 (15) | 0.0017 (15) |
C1 | 0.023 (2) | 0.023 (3) | 0.017 (2) | 0.0026 (19) | −0.0062 (18) | 0.0007 (18) |
C2 | 0.027 (3) | 0.032 (3) | 0.019 (2) | 0.000 (2) | 0.0018 (19) | −0.0005 (19) |
C3 | 0.034 (3) | 0.034 (3) | 0.015 (2) | −0.003 (2) | −0.003 (2) | −0.0078 (19) |
C4 | 0.029 (3) | 0.022 (3) | 0.025 (3) | −0.001 (2) | −0.007 (2) | −0.0041 (19) |
C5 | 0.023 (2) | 0.029 (3) | 0.026 (3) | −0.004 (2) | −0.0028 (19) | 0.000 (2) |
C6 | 0.023 (2) | 0.019 (3) | 0.026 (3) | 0.0016 (19) | 0.0013 (19) | −0.0022 (18) |
C7 | 0.020 (2) | 0.022 (3) | 0.024 (3) | −0.0032 (19) | 0.0052 (18) | 0.0011 (18) |
C8 | 0.025 (2) | 0.019 (2) | 0.017 (2) | 0.0045 (19) | 0.0041 (18) | 0.0002 (17) |
C9 | 0.021 (2) | 0.024 (3) | 0.029 (3) | 0.0021 (19) | 0.0034 (19) | 0.0030 (19) |
C10 | 0.034 (3) | 0.033 (3) | 0.021 (3) | 0.000 (2) | 0.010 (2) | 0.006 (2) |
C11 | 0.039 (3) | 0.029 (3) | 0.019 (2) | −0.001 (2) | 0.005 (2) | 0.000 (2) |
C12 | 0.029 (3) | 0.031 (3) | 0.020 (2) | 0.002 (2) | 0.0002 (19) | −0.002 (2) |
C13 | 0.026 (2) | 0.020 (3) | 0.018 (2) | 0.0038 (19) | 0.0045 (18) | 0.0005 (18) |
C14 | 0.031 (3) | 0.030 (3) | 0.012 (2) | 0.000 (2) | −0.0021 (18) | −0.0038 (18) |
C15 | 0.025 (2) | 0.021 (3) | 0.021 (2) | 0.0032 (19) | 0.0020 (18) | 0.0026 (18) |
C16 | 0.031 (3) | 0.025 (3) | 0.020 (2) | −0.001 (2) | 0.0001 (19) | −0.0046 (19) |
C17 | 0.032 (3) | 0.018 (2) | 0.024 (3) | 0.000 (2) | 0.001 (2) | −0.0014 (19) |
C18 | 0.037 (3) | 0.021 (3) | 0.023 (3) | −0.004 (2) | 0.006 (2) | 0.0027 (19) |
C19 | 0.031 (3) | 0.028 (3) | 0.017 (2) | −0.003 (2) | 0.0021 (19) | 0.0000 (19) |
C20 | 0.022 (2) | 0.024 (3) | 0.020 (2) | 0.002 (2) | −0.0001 (18) | 0.0000 (18) |
O3 | 0.059 (3) | 0.065 (3) | 0.033 (2) | −0.010 (2) | 0.0096 (19) | −0.0239 (19) |
N3 | 0.057 (3) | 0.046 (3) | 0.027 (2) | −0.011 (2) | 0.010 (2) | −0.001 (2) |
C21 | 0.043 (3) | 0.047 (4) | 0.028 (3) | −0.014 (3) | −0.005 (2) | −0.004 (2) |
C22 | 0.073 (5) | 0.069 (5) | 0.050 (4) | −0.009 (4) | 0.026 (3) | −0.006 (3) |
C23 | 0.117 (7) | 0.058 (5) | 0.059 (5) | −0.005 (4) | −0.006 (4) | 0.014 (4) |
Mn1—O1 | 1.869 (3) | C10—C11 | 1.380 (6) |
Mn1—O2 | 1.884 (3) | C10—H10 | 0.9500 |
Mn1—O2i | 2.703 (3) | C11—C12 | 1.373 (6) |
Mn1—N1 | 1.991 (3) | C11—H11 | 0.9500 |
Mn1—N2 | 1.994 (3) | C12—C13 | 1.397 (6) |
Mn1—Cl1 | 2.4268 (13) | C12—H12 | 0.9500 |
Br1—C4 | 1.904 (4) | C14—C15 | 1.441 (6) |
Br2—C17 | 1.896 (4) | C14—H14 | 0.9500 |
O1—C1 | 1.318 (5) | C15—C16 | 1.406 (6) |
O2—C20 | 1.328 (5) | C15—C20 | 1.418 (6) |
N1—C7 | 1.297 (5) | C16—C17 | 1.369 (6) |
N1—C8 | 1.435 (5) | C16—H16 | 0.9500 |
N2—C14 | 1.290 (5) | C17—C18 | 1.395 (6) |
N2—C13 | 1.429 (5) | C18—C19 | 1.366 (6) |
C1—C2 | 1.403 (5) | C18—H18 | 0.9500 |
C1—C6 | 1.420 (6) | C19—C20 | 1.402 (6) |
C2—C3 | 1.361 (6) | C19—H19 | 0.9500 |
C2—H2 | 0.9500 | O3—C21 | 1.217 (6) |
C3—C4 | 1.406 (6) | N3—C21 | 1.316 (6) |
C3—H3 | 0.9500 | N3—C23 | 1.422 (7) |
C4—C5 | 1.355 (6) | N3—C22 | 1.466 (7) |
C5—C6 | 1.419 (6) | C21—H21 | 0.9500 |
C5—H5 | 0.9500 | C22—H22A | 0.9800 |
C6—C7 | 1.428 (5) | C22—H22B | 0.9800 |
C7—H7 | 0.9500 | C22—H22C | 0.9800 |
C8—C9 | 1.389 (6) | C23—H23A | 0.9800 |
C8—C13 | 1.397 (6) | C23—H23B | 0.9800 |
C9—C10 | 1.384 (6) | C23—H23C | 0.9800 |
C9—H9 | 0.9500 | ||
O1—Mn1—O2 | 90.84 (12) | C11—C10—H10 | 119.8 |
O1—Mn1—N1 | 92.38 (14) | C9—C10—H10 | 119.8 |
O2—Mn1—N1 | 161.07 (14) | C12—C11—C10 | 121.0 (4) |
O1—Mn1—N2 | 168.61 (14) | C12—C11—H11 | 119.5 |
O2—Mn1—N2 | 90.93 (13) | C10—C11—H11 | 119.5 |
N1—Mn1—N2 | 82.42 (14) | C11—C12—C13 | 119.2 (4) |
O1—Mn1—Cl1 | 98.63 (10) | C11—C12—H12 | 120.4 |
O2—Mn1—Cl1 | 99.10 (10) | C13—C12—H12 | 120.4 |
N1—Mn1—Cl1 | 98.84 (10) | C12—C13—C8 | 120.0 (4) |
N2—Mn1—Cl1 | 92.20 (10) | C12—C13—N2 | 124.3 (4) |
O1—Mn1—O2i | 87.52 (11) | C8—C13—N2 | 115.6 (4) |
O2—Mn1—O2i | 81.01 (12) | N2—C14—C15 | 125.0 (4) |
N1—Mn1—O2i | 80.51 (11) | N2—C14—H14 | 117.5 |
N2—Mn1—O2i | 81.65 (11) | C15—C14—H14 | 117.5 |
Cl1—Mn1—O2i | 173.85 (7) | C16—C15—C20 | 119.7 (4) |
C1—O1—Mn1 | 129.7 (3) | C16—C15—C14 | 118.1 (4) |
C20—O2—Mn1 | 122.9 (3) | C20—C15—C14 | 122.1 (4) |
C7—N1—C8 | 121.5 (3) | C17—C16—C15 | 120.0 (4) |
C7—N1—Mn1 | 124.8 (3) | C17—C16—H16 | 120.0 |
C8—N1—Mn1 | 113.5 (3) | C15—C16—H16 | 120.0 |
C14—N2—C13 | 122.9 (4) | C16—C17—C18 | 120.8 (4) |
C14—N2—Mn1 | 123.6 (3) | C16—C17—Br2 | 120.6 (3) |
C13—N2—Mn1 | 113.3 (3) | C18—C17—Br2 | 118.6 (3) |
O1—C1—C2 | 118.3 (4) | C19—C18—C17 | 119.7 (4) |
O1—C1—C6 | 123.4 (4) | C19—C18—H18 | 120.2 |
C2—C1—C6 | 118.2 (4) | C17—C18—H18 | 120.2 |
C3—C2—C1 | 121.9 (4) | C18—C19—C20 | 121.7 (4) |
C3—C2—H2 | 119.0 | C18—C19—H19 | 119.1 |
C1—C2—H2 | 119.0 | C20—C19—H19 | 119.1 |
C2—C3—C4 | 119.4 (4) | O2—C20—C19 | 118.6 (4) |
C2—C3—H3 | 120.3 | O2—C20—C15 | 123.4 (4) |
C4—C3—H3 | 120.3 | C19—C20—C15 | 117.9 (4) |
C5—C4—C3 | 121.1 (4) | C21—N3—C23 | 121.1 (5) |
C5—C4—Br1 | 120.4 (3) | C21—N3—C22 | 121.0 (5) |
C3—C4—Br1 | 118.4 (3) | C23—N3—C22 | 117.9 (5) |
C4—C5—C6 | 120.3 (4) | O3—C21—N3 | 126.1 (6) |
C4—C5—H5 | 119.9 | O3—C21—H21 | 116.9 |
C6—C5—H5 | 119.9 | N3—C21—H21 | 116.9 |
C5—C6—C1 | 119.1 (4) | N3—C22—H22A | 109.5 |
C5—C6—C7 | 117.9 (4) | N3—C22—H22B | 109.5 |
C1—C6—C7 | 122.9 (4) | H22A—C22—H22B | 109.5 |
N1—C7—C6 | 126.0 (4) | N3—C22—H22C | 109.5 |
N1—C7—H7 | 117.0 | H22A—C22—H22C | 109.5 |
C6—C7—H7 | 117.0 | H22B—C22—H22C | 109.5 |
C9—C8—C13 | 119.9 (4) | N3—C23—H23A | 109.5 |
C9—C8—N1 | 125.0 (4) | N3—C23—H23B | 109.5 |
C13—C8—N1 | 115.1 (4) | H23A—C23—H23B | 109.5 |
C10—C9—C8 | 119.4 (4) | N3—C23—H23C | 109.5 |
C10—C9—H9 | 120.3 | H23A—C23—H23C | 109.5 |
C8—C9—H9 | 120.3 | H23B—C23—H23C | 109.5 |
C11—C10—C9 | 120.4 (4) | ||
O2—Mn1—O1—C1 | 170.3 (4) | C8—N1—C7—C6 | −175.0 (4) |
N1—Mn1—O1—C1 | 8.9 (4) | Mn1—N1—C7—C6 | −0.6 (6) |
N2—Mn1—O1—C1 | 71.4 (8) | C5—C6—C7—N1 | −177.7 (4) |
Cl1—Mn1—O1—C1 | −90.4 (3) | C1—C6—C7—N1 | 6.2 (7) |
O2i—Mn1—O1—C1 | 89.3 (4) | C7—N1—C8—C9 | −6.7 (6) |
O1—Mn1—O2—C20 | 153.2 (3) | Mn1—N1—C8—C9 | 178.3 (3) |
N1—Mn1—O2—C20 | −107.0 (5) | C7—N1—C8—C13 | 173.8 (4) |
N2—Mn1—O2—C20 | −38.1 (3) | Mn1—N1—C8—C13 | −1.1 (4) |
Cl1—Mn1—O2—C20 | 54.3 (3) | C13—C8—C9—C10 | −1.3 (6) |
O2i—Mn1—O2—C20 | −119.5 (3) | N1—C8—C9—C10 | 179.3 (4) |
O1—Mn1—N1—C7 | −5.4 (4) | C8—C9—C10—C11 | −0.1 (7) |
O2—Mn1—N1—C7 | −105.0 (5) | C9—C10—C11—C12 | 0.4 (7) |
N2—Mn1—N1—C7 | −175.2 (4) | C10—C11—C12—C13 | 0.7 (7) |
Cl1—Mn1—N1—C7 | 93.7 (3) | C11—C12—C13—C8 | −2.1 (6) |
O2i—Mn1—N1—C7 | −92.5 (4) | C11—C12—C13—N2 | 176.9 (4) |
O1—Mn1—N1—C8 | 169.4 (3) | C9—C8—C13—C12 | 2.4 (6) |
O2—Mn1—N1—C8 | 69.8 (5) | N1—C8—C13—C12 | −178.1 (4) |
N2—Mn1—N1—C8 | −0.5 (3) | C9—C8—C13—N2 | −176.7 (4) |
Cl1—Mn1—N1—C8 | −91.5 (3) | N1—C8—C13—N2 | 2.8 (5) |
O2i—Mn1—N1—C8 | 82.3 (3) | C14—N2—C13—C12 | −6.5 (7) |
O1—Mn1—N2—C14 | 122.9 (7) | Mn1—N2—C13—C12 | 177.8 (3) |
O2—Mn1—N2—C14 | 24.0 (4) | C14—N2—C13—C8 | 172.6 (4) |
N1—Mn1—N2—C14 | −173.8 (4) | Mn1—N2—C13—C8 | −3.2 (5) |
Cl1—Mn1—N2—C14 | −75.2 (4) | C13—N2—C14—C15 | −179.8 (4) |
O2i—Mn1—N2—C14 | 104.8 (4) | Mn1—N2—C14—C15 | −4.4 (6) |
O1—Mn1—N2—C13 | −61.4 (8) | N2—C14—C15—C16 | 172.8 (4) |
O2—Mn1—N2—C13 | −160.3 (3) | N2—C14—C15—C20 | −11.8 (7) |
N1—Mn1—N2—C13 | 1.9 (3) | C20—C15—C16—C17 | 2.4 (7) |
Cl1—Mn1—N2—C13 | 100.6 (3) | C14—C15—C16—C17 | 177.8 (4) |
O2i—Mn1—N2—C13 | −79.5 (3) | C15—C16—C17—C18 | 1.6 (7) |
Mn1—O1—C1—C2 | 176.1 (3) | C15—C16—C17—Br2 | −178.4 (3) |
Mn1—O1—C1—C6 | −6.3 (6) | C16—C17—C18—C19 | −3.0 (7) |
O1—C1—C2—C3 | 179.1 (4) | Br2—C17—C18—C19 | 177.0 (4) |
C6—C1—C2—C3 | 1.4 (7) | C17—C18—C19—C20 | 0.4 (7) |
C1—C2—C3—C4 | 0.3 (7) | Mn1—O2—C20—C19 | −149.3 (3) |
C2—C3—C4—C5 | −2.2 (7) | Mn1—O2—C20—C15 | 34.1 (5) |
C2—C3—C4—Br1 | −179.1 (3) | C18—C19—C20—O2 | −173.3 (4) |
C3—C4—C5—C6 | 2.3 (7) | C18—C19—C20—C15 | 3.5 (7) |
Br1—C4—C5—C6 | 179.2 (3) | C16—C15—C20—O2 | 171.8 (4) |
C4—C5—C6—C1 | −0.6 (6) | C14—C15—C20—O2 | −3.5 (7) |
C4—C5—C6—C7 | −176.8 (4) | C16—C15—C20—C19 | −4.8 (6) |
O1—C1—C6—C5 | −178.8 (4) | C14—C15—C20—C19 | 179.9 (4) |
C2—C1—C6—C5 | −1.2 (6) | C23—N3—C21—O3 | 0.3 (9) |
O1—C1—C6—C7 | −2.8 (7) | C22—N3—C21—O3 | −177.5 (5) |
C2—C1—C6—C7 | 174.8 (4) |
Symmetry code: (i) −x+1, −y, −z+1. |
D—H···A | D—H | H···A | D···A | D—H···A |
C7—H7···Cl1ii | 0.95 | 2.71 | 3.603 (4) | 156 |
C12—H12···O3iii | 0.95 | 2.54 | 3.468 (6) | 165 |
C14—H14···O3iii | 0.95 | 2.25 | 3.173 (5) | 165 |
C19—H19···Br2iv | 0.95 | 2.88 | 3.678 (4) | 143 |
Symmetry codes: (ii) −x, −y, −z+1; (iii) x, y, z+1; (iv) x, −y+1/2, z−1/2. |
Experimental details
Crystal data | |
Chemical formula | [Mn2(C20H12Br2N2O2)2Cl2]·2C3H7NO |
Mr | 1271.24 |
Crystal system, space group | Monoclinic, P21/c |
Temperature (K) | 200 |
a, b, c (Å) | 9.7804 (6), 20.1342 (12), 11.8593 (6) |
β (°) | 90.938 (1) |
V (Å3) | 2335.0 (2) |
Z | 2 |
Radiation type | Mo Kα |
µ (mm−1) | 4.13 |
Crystal size (mm) | 0.26 × 0.10 × 0.07 |
Data collection | |
Diffractometer | Bruker SMART 1000 CCD |
Absorption correction | Multi-scan (SADABS; Bruker, 2000) |
Tmin, Tmax | 0.742, 1.000 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 17204, 5763, 3286 |
Rint | 0.067 |
(sin θ/λ)max (Å−1) | 0.667 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.045, 0.111, 1.01 |
No. of reflections | 5763 |
No. of parameters | 300 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.73, −0.87 |
Computer programs: SMART (Bruker, 2000), SAINT (Bruker, 2000), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), ORTEP-3 (Farrugia, 1997) and PLATON (Spek, 2009).
Mn1—O1 | 1.869 (3) | Mn1—N1 | 1.991 (3) |
Mn1—O2 | 1.884 (3) | Mn1—N2 | 1.994 (3) |
Mn1—O2i | 2.703 (3) | Mn1—Cl1 | 2.4268 (13) |
Symmetry code: (i) −x+1, −y, −z+1. |
D—H···A | D—H | H···A | D···A | D—H···A |
C7—H7···Cl1ii | 0.95 | 2.71 | 3.603 (4) | 156.0 |
C12—H12···O3iii | 0.95 | 2.54 | 3.468 (6) | 165.2 |
C14—H14···O3iii | 0.95 | 2.25 | 3.173 (5) | 165.2 |
C19—H19···Br2iv | 0.95 | 2.88 | 3.678 (4) | 142.5 |
Symmetry codes: (ii) −x, −y, −z+1; (iii) x, y, z+1; (iv) x, −y+1/2, z−1/2. |
Acknowledgements
This research was supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (2009–0074570).
References
Bruker (2000). SADABS, SMART and SAINT. Bruker AXS Inc., Madison, Wisconsin, USA. Google Scholar
Dang, L.-L., Huo, Y.-Q., Wang, W. & Li, J. (2005). Acta Cryst. E61, m332–m334. Web of Science CSD CrossRef CAS IUCr Journals Google Scholar
Farrugia, L. J. (1997). J. Appl. Cryst. 30, 565. CrossRef IUCr Journals Google Scholar
Hwang, I.-C. & Ha, K. (2007). Acta Cryst. E63, m2365. Web of Science CSD CrossRef IUCr Journals Google Scholar
Mitra, K., Biswas, S., Lucas, C. R. & Adhikary, B. (2006). Inorg. Chim. Acta, 359, 1997–2003. Web of Science CrossRef CAS Google Scholar
Sheldrick, G. M. (2008). Acta Cryst. A64, 112–122. Web of Science CrossRef CAS IUCr Journals Google Scholar
Shyu, H.-L., Wei, H.-H. & Wang, Y. (1999). Inorg. Chim. Acta, 290, 8–13. Web of Science CSD CrossRef CAS Google Scholar
Spek, A. L. (2009). Acta Cryst. D65, 148–155. Web of Science CrossRef CAS IUCr Journals Google Scholar
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The title compound, [Mn(C20H12Br2N2O2)Cl]2.2(C3H7NO), consists of a structurally centrosymmetric dinuclear MnIII complex and two N,N-dimethylformamide solvent molecules, and the asymmetric unit contains one half of the formula unit (Fig. 1). In the complex, two MnIII ions are bridged by two phenolic O atoms from two symmetry-related N,N'-bis(5-bromosalicylidene)-1,2-diiminobenzene dianionic ligands, and the distance between the Mn atoms is 3.5277 (10) Å. Each Mn ion is six-coordinated by two N and three O atoms from the two dianionic ligands and one capping Cl atom in a distorted octahedral environment (Table 1). While the two Mn—N bond distances are nearly equal [1.991 (3) Å and 1.994 (3) Å], the three Mn—O bond lengths are somewhat different. The equatorial Mn1—O1/O2 bonds [1.869 (3) Å and 1.884 (3) Å] are considerably shorter than the axial Mn1—O2a bond [Symmetry code: (a) 1 - x, -y, 1 - z; 2.703 (3) Å]. Within the equatorial plane, the chelating angles lie in the range of 82.42 (14)°–92.38 (14)° and the <O1—Mn1—O2 bond angle is 90.84 (12)°. The apical <Cl1—Mn1—O2a bond angle is 173.85 (7)°. The crystal structure displays intermolecular π-π interactions between adjacent benzene rings, with a shortest centroid-centroid distance of 3.673 (2) Å, and intermolecular C—H···O/Cl/Br hydrogen bonds (Fig. 2 and Table 2).