metal-organic compounds
Bis[μ-2-(2-benzoylhydrazinylidenemethyl)-6-methoxyphenolato][2-(2-benzoylhydrazinylidenemethyl)-6-methoxyphenolato]dimanganese(II) perchlorate methanol solvate
aSchool of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Changchun 130022, People's Republic of China, and bCollege of Earth Sciences, Jilin University, Changchun 130061, People's Republic of China
*Correspondence e-mail: zhujw@jlu.edu.cn
In the title complex, [Mn2(C15H13N2O3)3]ClO4·CH3OH, the two MnII ions are bridged by two phenolate O atoms from two ligands, forming an Mn2O2 quadrangle. Each MnII ion has a distorted octahedral coordination geometry. One MnII ion is coordinated by two N atoms and four O atoms from two ligands, and the other is coordinated by one N atom and five O atoms from three ligands. A dimer is formed by intermolecular N—H⋯O hydrogen bonds. The dimers, perchlorate anions and methanol solvent molecules are further connected into a chain along [01] through N—H⋯O and O—H⋯O hydrogen bonds.
Related literature
For general background to the study of Schiff base compounds, see: Ando et al. (2004); Costes et al. (1995); Duda et al. (2003); Siddall et al. (1983). For related structures, see: Li et al. (2010); Huang & Li (2007); Mikuriya et al. (1992); Yin (2008); Yu et al. (2006). For the ligand synthesis, see: Pouralimardan et al. (2007); Sacconi (1954).
Experimental
Crystal data
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Refinement
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Data collection: APEX2 (Bruker, 2007); cell SAINT-Plus (Bruker, 2007); data reduction: SAINT-Plus; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: DIAMOND (Brandenburg, 1999); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008) and publCIF (Westrip, 2010).
Supporting information
https://doi.org/10.1107/S1600536810018040/hy2307sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S1600536810018040/hy2307Isup2.hkl
The Schiff base ligand (H2L) was prepared in a similar manner to the reported procedures (Pouralimardan et al., 2007; Sacconi, 1954). The title compound was synthesized by adding Mn(ClO4)2.6H2O (36.6 mg, 0.1 mmol) and imidazole(6.8 mg, 0.1 mmol) to a solution of H2L (27.3 mg, 0.1 mmol) in methanol (15 ml). The resulting mixture was stirred for 5 h at room temperature to afford a yellow solution, which was left unperturbed to allow slow evaporation of the solvent. Yellow single crystals suitable for X-ray
were formed after about two weeks.H atoms were placed in calculated positions and refined using a riding model, with C—H (aromatic) = 0.95 and 0.98 (methyl) Å, N—H = 0.88 Å and O—H = 0.84 Å and with Uiso(H) = 1.2(1.5 for methyl and hydroxy)Ueq(C, N, O).
Studies of Schiff base compounds are of great interest in various aspects of chemistry, such as homogeneous catalysts in industry, antitumor activities, photoelectric materials, catalytic materials, etc. (Ando et al., 2004; Costes et al., 1995; Duda et al., 2003; Siddall et al., 1983). The crystal structures of metal complexes with salicylaldehyde benzoylhydrazide have been attracted tremendous interest (Huang & Li, 2007; Yin, 2008; Yu et al., 2006). As a continuation of our effort in this system, we investigated a novel Schiff base, 3-methoxysalicylaldehyde benzoylhydrazide (H2L). This multidentate ligand has several O and N donors with suitable relative positions, which can coordinate to two or more metal centers. In addition, the vanillin group displays a variety of bonding geometries, such as monodentate, chelating, bidentate bridging, monodentate bridging, and chelating bridging (Li et al., 2010). We report here the synthesis and
of the title compound.The molecular structure of the title compound is shown in Fig. 1. There are two crystallographically independent MnII centers with different coordination environments in the
The two MnII ions, Mnl and Mn2, are bridged by two phenolate O atoms (O2, O8) from two Schiff base ligands (Table 1). The Mn1···Mn2 separation is 3.284 (1) Å, and the Mn1—O2—Mn2 and Mn1—O8—Mn2 angles are 103.50 (9) and 98.92 (8)°, respectively. The coordination geometry of each MnII ion is distorted octahedral. The Mn1 atom is coordinated by two N atoms and four O atoms from two ligands. The square plane around the Mn1 atom is formed by O2N2 donor atoms (N1, N5, O8 and O9) and the axial positions are occupied by phenolate O2 and carbonyl O3. However, the Mn2 atom is coordinated by one N atom and five O atoms from three ligands. The distorted octahedral coordination is achieved by the equatorial plane donor atoms, methoxy O1, carbonyl O2, phenolate O8 and hydrazine N3, and the coordination of phenolate O5 and carbonyl O6 at the axial positions. In addition, the methoxy O1 is weakly bonded to Mn2 with a Mn2—O1 distance of 2.427 (2) Å, which is comparable to those reported for other binuclear MnII complexes (Mikuriya et al., 1992). In the two adjacent molecules participate in complementary N(hydrazine)—H···O(phenolate) hydrogen bonds, forming a dimeric structure (Fig. 2 and Table 2). The dimers, perchlorate anions and methanol solvent molecules are further connected into a chain structure through N—H···O and O—H···O hydrogen bonds (Fig. 3).For general background to the study of Schiff base compounds, see: Ando et al. (2004); Costes et al. (1995); Duda et al. (2003); Siddall et al. (1983). For related structures, see: Li et al. (2010); Huang & Li (2007); Mikuriya et al. (1992); Yin (2008); Yu et al. (2006). For the ligand synthesis, see: Pouralimardan et al. (2007); Sacconi (1954).
Data collection: APEX2 (Bruker, 2007); cell
SAINT-Plus (Bruker, 2007); data reduction: SAINT-Plus (Bruker, 2007); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: DIAMOND (Brandenburg, 1999); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008) and publCIF (Westrip, 2010).[Mn2(C15H13N2O3)3]ClO4·CH4O | Z = 2 |
Mr = 1049.19 | F(000) = 1080 |
Triclinic, P1 | Dx = 1.499 Mg m−3 |
Hall symbol: -P 1 | Mo Kα radiation, λ = 0.71073 Å |
a = 12.7184 (6) Å | Cell parameters from 5673 reflections |
b = 13.8723 (7) Å | θ = 2.4–25.9° |
c = 15.0885 (12) Å | µ = 0.68 mm−1 |
α = 100.268 (1)° | T = 173 K |
β = 94.030 (1)° | Block, yellow |
γ = 115.826 (1)° | 0.15 × 0.12 × 0.10 mm |
V = 2324.7 (2) Å3 |
Bruker APEXII CCD diffractometer | 8138 independent reflections |
Radiation source: fine-focus sealed tube | 6183 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.021 |
φ and ω scans | θmax = 25.0°, θmin = 1.8° |
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | h = −15→10 |
Tmin = 0.906, Tmax = 0.936 | k = −16→16 |
11959 measured reflections | l = −17→17 |
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) = 0.123 | H-atom parameters constrained |
S = 1.05 | w = 1/[σ2(Fo2) + (0.0586P)2 + 1.186P] where P = (Fo2 + 2Fc2)/3 |
8138 reflections | (Δ/σ)max = 0.001 |
627 parameters | Δρmax = 0.49 e Å−3 |
0 restraints | Δρmin = −0.68 e Å−3 |
[Mn2(C15H13N2O3)3]ClO4·CH4O | γ = 115.826 (1)° |
Mr = 1049.19 | V = 2324.7 (2) Å3 |
Triclinic, P1 | Z = 2 |
a = 12.7184 (6) Å | Mo Kα radiation |
b = 13.8723 (7) Å | µ = 0.68 mm−1 |
c = 15.0885 (12) Å | T = 173 K |
α = 100.268 (1)° | 0.15 × 0.12 × 0.10 mm |
β = 94.030 (1)° |
Bruker APEXII CCD diffractometer | 8138 independent reflections |
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | 6183 reflections with I > 2σ(I) |
Tmin = 0.906, Tmax = 0.936 | Rint = 0.021 |
11959 measured reflections |
R[F2 > 2σ(F2)] = 0.045 | 0 restraints |
wR(F2) = 0.123 | H-atom parameters constrained |
S = 1.05 | Δρmax = 0.49 e Å−3 |
8138 reflections | Δρmin = −0.68 e Å−3 |
627 parameters |
x | y | z | Uiso*/Ueq | ||
Cl1 | 0.89876 (8) | 0.67575 (8) | 0.50975 (6) | 0.0426 (2) | |
Mn1 | 0.36982 (4) | 0.89528 (4) | 0.15072 (3) | 0.02431 (13) | |
Mn2 | 0.43109 (4) | 1.15354 (4) | 0.23009 (3) | 0.03144 (15) | |
N1 | 0.4807 (2) | 0.87719 (19) | 0.04411 (16) | 0.0228 (5) | |
N2 | 0.4219 (2) | 0.77597 (19) | −0.01720 (16) | 0.0251 (6) | |
H2A | 0.4560 | 0.7548 | −0.0600 | 0.030* | |
N3 | 0.3403 (2) | 1.2330 (2) | 0.31023 (17) | 0.0293 (6) | |
N4 | 0.3060 (2) | 1.1885 (2) | 0.38472 (18) | 0.0322 (6) | |
H4A | 0.2582 | 1.2037 | 0.4174 | 0.039* | |
N5 | 0.2727 (2) | 0.8410 (2) | 0.26601 (17) | 0.0267 (6) | |
N6 | 0.3164 (2) | 0.7859 (2) | 0.31286 (17) | 0.0294 (6) | |
H6A | 0.2818 | 0.7550 | 0.3559 | 0.035* | |
O1 | 0.64422 (19) | 1.24458 (18) | 0.27865 (15) | 0.0357 (5) | |
O2 | 0.50670 (18) | 1.05637 (16) | 0.17192 (15) | 0.0293 (5) | |
O3 | 0.26225 (19) | 0.74323 (17) | 0.05223 (14) | 0.0308 (5) | |
O4 | 0.4299 (2) | 1.3273 (2) | 0.00081 (16) | 0.0468 (7) | |
O5 | 0.43845 (19) | 1.26231 (17) | 0.15090 (14) | 0.0312 (5) | |
O6 | 0.42445 (19) | 1.10827 (19) | 0.36227 (15) | 0.0344 (5) | |
O7 | 0.1612 (2) | 1.08089 (19) | 0.09004 (16) | 0.0377 (6) | |
O8 | 0.27945 (18) | 0.99182 (17) | 0.16429 (14) | 0.0287 (5) | |
O9 | 0.46239 (19) | 0.82750 (19) | 0.22884 (15) | 0.0337 (5) | |
O10 | 1.0073 (2) | 0.6796 (2) | 0.54667 (19) | 0.0528 (7) | |
O11 | 0.8019 (3) | 0.5765 (2) | 0.5162 (3) | 0.0818 (11) | |
O12 | 0.9022 (3) | 0.6841 (4) | 0.4178 (2) | 0.0971 (13) | |
O13 | 0.8851 (3) | 0.7656 (2) | 0.5595 (2) | 0.0648 (8) | |
O14 | 0.1488 (2) | 0.6610 (2) | 0.41134 (19) | 0.0510 (7) | |
H14A | 0.1138 | 0.6790 | 0.4513 | 0.077* | |
C1 | 0.7174 (3) | 1.3365 (3) | 0.3523 (2) | 0.0494 (10) | |
H1A | 0.7737 | 1.3195 | 0.3857 | 0.074* | |
H1B | 0.6677 | 1.3518 | 0.3938 | 0.074* | |
H1C | 0.7609 | 1.4012 | 0.3280 | 0.074* | |
C2 | 0.6994 (3) | 1.2000 (3) | 0.2201 (2) | 0.0273 (7) | |
C3 | 0.8167 (3) | 1.2503 (3) | 0.2135 (2) | 0.0330 (8) | |
H3 | 0.8690 | 1.3194 | 0.2531 | 0.040* | |
C4 | 0.8587 (3) | 1.1981 (3) | 0.1472 (2) | 0.0378 (8) | |
H4 | 0.9399 | 1.2327 | 0.1412 | 0.045* | |
C5 | 0.7840 (3) | 1.0981 (3) | 0.0912 (2) | 0.0310 (7) | |
H5 | 0.8140 | 1.0643 | 0.0463 | 0.037* | |
C6 | 0.6630 (3) | 1.0438 (2) | 0.0988 (2) | 0.0243 (7) | |
C7 | 0.6198 (3) | 1.0971 (2) | 0.1639 (2) | 0.0238 (7) | |
C8 | 0.5897 (3) | 0.9368 (2) | 0.0389 (2) | 0.0244 (7) | |
H8 | 0.6239 | 0.9091 | −0.0066 | 0.029* | |
C9 | 0.3099 (3) | 0.7115 (3) | −0.0082 (2) | 0.0270 (7) | |
C10 | 0.2450 (3) | 0.6014 (3) | −0.0711 (2) | 0.0308 (7) | |
C11 | 0.2905 (3) | 0.5623 (3) | −0.1418 (2) | 0.0351 (8) | |
H11 | 0.3678 | 0.6075 | −0.1520 | 0.042* | |
C12 | 0.2250 (4) | 0.4588 (3) | −0.1973 (3) | 0.0487 (10) | |
H12 | 0.2567 | 0.4338 | −0.2463 | 0.058* | |
C13 | 0.1160 (4) | 0.3924 (4) | −0.1825 (3) | 0.0705 (14) | |
H13 | 0.0710 | 0.3212 | −0.2215 | 0.085* | |
C14 | 0.0703 (4) | 0.4277 (4) | −0.1116 (4) | 0.0882 (19) | |
H14 | −0.0052 | 0.3801 | −0.0999 | 0.106* | |
C15 | 0.1342 (4) | 0.5327 (3) | −0.0570 (3) | 0.0615 (12) | |
H15 | 0.1011 | 0.5577 | −0.0090 | 0.074* | |
C16 | 0.4032 (4) | 1.3346 (4) | −0.0898 (3) | 0.0576 (11) | |
H16A | 0.3172 | 1.2961 | −0.1099 | 0.086* | |
H16B | 0.4408 | 1.3006 | −0.1304 | 0.086* | |
H16C | 0.4331 | 1.4122 | −0.0919 | 0.086* | |
C17 | 0.3771 (3) | 1.3615 (3) | 0.0659 (2) | 0.0399 (9) | |
C18 | 0.3230 (4) | 1.4265 (3) | 0.0576 (3) | 0.0507 (10) | |
H18 | 0.3211 | 1.4513 | 0.0030 | 0.061* | |
C19 | 0.2704 (4) | 1.4567 (3) | 0.1289 (3) | 0.0573 (12) | |
H19 | 0.2341 | 1.5029 | 0.1235 | 0.069* | |
C20 | 0.2720 (4) | 1.4192 (3) | 0.2055 (3) | 0.0509 (10) | |
H20 | 0.2361 | 1.4398 | 0.2536 | 0.061* | |
C21 | 0.3251 (3) | 1.3508 (3) | 0.2163 (2) | 0.0349 (8) | |
C22 | 0.3833 (3) | 1.3234 (3) | 0.1464 (2) | 0.0325 (8) | |
C23 | 0.3085 (3) | 1.3055 (3) | 0.2952 (2) | 0.0357 (8) | |
H23 | 0.2713 | 1.3307 | 0.3397 | 0.043* | |
C24 | 0.3494 (3) | 1.1208 (3) | 0.4046 (2) | 0.0298 (7) | |
C25 | 0.3037 (3) | 1.0616 (3) | 0.4763 (2) | 0.0309 (7) | |
C26 | 0.1919 (3) | 1.0360 (3) | 0.4984 (2) | 0.0372 (8) | |
H26 | 0.1430 | 1.0614 | 0.4700 | 0.045* | |
C27 | 0.1522 (3) | 0.9736 (3) | 0.5616 (2) | 0.0459 (9) | |
H27 | 0.0747 | 0.9540 | 0.5752 | 0.055* | |
C28 | 0.2237 (4) | 0.9395 (3) | 0.6051 (3) | 0.0506 (10) | |
H28 | 0.1958 | 0.8977 | 0.6495 | 0.061* | |
C29 | 0.3351 (4) | 0.9651 (3) | 0.5852 (3) | 0.0496 (10) | |
H29 | 0.3848 | 0.9421 | 0.6159 | 0.060* | |
C30 | 0.3739 (3) | 1.0248 (3) | 0.5200 (3) | 0.0436 (9) | |
H30 | 0.4500 | 1.0410 | 0.5047 | 0.052* | |
C31 | 0.1054 (3) | 1.1402 (3) | 0.0565 (3) | 0.0461 (9) | |
H31A | 0.0234 | 1.0889 | 0.0279 | 0.069* | |
H31B | 0.1486 | 1.1769 | 0.0112 | 0.069* | |
H31C | 0.1059 | 1.1954 | 0.1073 | 0.069* | |
C32 | 0.1105 (3) | 1.0228 (3) | 0.1532 (2) | 0.0317 (8) | |
C33 | 0.0058 (3) | 1.0108 (3) | 0.1813 (2) | 0.0404 (9) | |
H33 | −0.0358 | 1.0457 | 0.1574 | 0.049* | |
C34 | −0.0395 (3) | 0.9480 (3) | 0.2444 (2) | 0.0413 (9) | |
H34 | −0.1120 | 0.9400 | 0.2633 | 0.050* | |
C35 | 0.0195 (3) | 0.8980 (3) | 0.2794 (2) | 0.0352 (8) | |
H35 | −0.0121 | 0.8558 | 0.3229 | 0.042* | |
C36 | 0.1272 (3) | 0.9079 (3) | 0.2519 (2) | 0.0284 (7) | |
C37 | 0.1759 (3) | 0.9730 (3) | 0.1888 (2) | 0.0273 (7) | |
C38 | 0.1829 (3) | 0.8511 (2) | 0.2921 (2) | 0.0282 (7) | |
H38 | 0.1513 | 0.8191 | 0.3408 | 0.034* | |
C39 | 0.4151 (3) | 0.7819 (3) | 0.2892 (2) | 0.0295 (7) | |
C40 | 0.4667 (3) | 0.7237 (3) | 0.3367 (2) | 0.0304 (7) | |
C41 | 0.4082 (3) | 0.6553 (3) | 0.3924 (3) | 0.0431 (9) | |
H41 | 0.3318 | 0.6451 | 0.4031 | 0.052* | |
C42 | 0.4614 (3) | 0.6021 (3) | 0.4321 (3) | 0.0507 (10) | |
H42 | 0.4210 | 0.5548 | 0.4700 | 0.061* | |
C43 | 0.5727 (4) | 0.6170 (3) | 0.4175 (3) | 0.0477 (10) | |
H43 | 0.6080 | 0.5789 | 0.4443 | 0.057* | |
C44 | 0.6327 (3) | 0.6870 (3) | 0.3641 (2) | 0.0416 (9) | |
H44 | 0.7101 | 0.6986 | 0.3550 | 0.050* | |
C45 | 0.5795 (3) | 0.7404 (3) | 0.3238 (2) | 0.0342 (8) | |
H45 | 0.6207 | 0.7888 | 0.2870 | 0.041* | |
C46 | 0.0717 (4) | 0.5557 (4) | 0.3563 (4) | 0.0767 (15) | |
H46A | 0.1038 | 0.5429 | 0.3007 | 0.115* | |
H46B | −0.0064 | 0.5515 | 0.3398 | 0.115* | |
H46C | 0.0640 | 0.4996 | 0.3902 | 0.115* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Cl1 | 0.0341 (5) | 0.0521 (6) | 0.0478 (5) | 0.0259 (4) | 0.0126 (4) | 0.0075 (4) |
Mn1 | 0.0245 (3) | 0.0270 (3) | 0.0250 (3) | 0.0148 (2) | 0.0078 (2) | 0.00504 (19) |
Mn2 | 0.0328 (3) | 0.0336 (3) | 0.0319 (3) | 0.0191 (2) | 0.0108 (2) | 0.0045 (2) |
N1 | 0.0270 (14) | 0.0203 (13) | 0.0225 (13) | 0.0124 (11) | 0.0055 (11) | 0.0036 (10) |
N2 | 0.0286 (15) | 0.0252 (14) | 0.0216 (13) | 0.0137 (12) | 0.0065 (11) | 0.0013 (11) |
N3 | 0.0305 (15) | 0.0319 (15) | 0.0262 (14) | 0.0150 (12) | 0.0094 (12) | 0.0046 (12) |
N4 | 0.0356 (16) | 0.0368 (16) | 0.0322 (15) | 0.0218 (13) | 0.0167 (13) | 0.0086 (12) |
N5 | 0.0258 (14) | 0.0299 (14) | 0.0271 (14) | 0.0159 (12) | 0.0062 (11) | 0.0043 (11) |
N6 | 0.0303 (15) | 0.0369 (16) | 0.0291 (14) | 0.0194 (13) | 0.0112 (12) | 0.0136 (12) |
O1 | 0.0300 (13) | 0.0326 (13) | 0.0369 (13) | 0.0115 (10) | 0.0088 (10) | −0.0036 (10) |
O2 | 0.0227 (12) | 0.0262 (12) | 0.0380 (13) | 0.0121 (10) | 0.0108 (10) | 0.0002 (10) |
O3 | 0.0291 (12) | 0.0310 (12) | 0.0310 (12) | 0.0140 (10) | 0.0096 (10) | 0.0015 (10) |
O4 | 0.0661 (18) | 0.0687 (18) | 0.0340 (13) | 0.0499 (16) | 0.0220 (13) | 0.0228 (13) |
O5 | 0.0357 (13) | 0.0332 (12) | 0.0311 (12) | 0.0197 (11) | 0.0111 (10) | 0.0095 (10) |
O6 | 0.0314 (13) | 0.0426 (14) | 0.0345 (13) | 0.0213 (11) | 0.0101 (10) | 0.0082 (11) |
O7 | 0.0361 (13) | 0.0443 (14) | 0.0446 (14) | 0.0265 (12) | 0.0085 (11) | 0.0157 (12) |
O8 | 0.0234 (11) | 0.0343 (12) | 0.0337 (12) | 0.0171 (10) | 0.0087 (10) | 0.0084 (10) |
O9 | 0.0299 (13) | 0.0480 (14) | 0.0355 (13) | 0.0237 (11) | 0.0135 (10) | 0.0205 (11) |
O10 | 0.0397 (15) | 0.0699 (19) | 0.0589 (17) | 0.0322 (14) | 0.0091 (13) | 0.0198 (15) |
O11 | 0.0371 (17) | 0.0475 (18) | 0.150 (3) | 0.0131 (14) | 0.0151 (19) | 0.014 (2) |
O12 | 0.098 (3) | 0.190 (4) | 0.0464 (19) | 0.100 (3) | 0.0219 (18) | 0.033 (2) |
O13 | 0.0533 (18) | 0.0531 (17) | 0.095 (2) | 0.0311 (15) | 0.0346 (17) | 0.0086 (16) |
O14 | 0.0425 (15) | 0.0571 (18) | 0.0637 (18) | 0.0250 (14) | 0.0296 (14) | 0.0238 (14) |
C1 | 0.048 (2) | 0.051 (2) | 0.036 (2) | 0.019 (2) | 0.0038 (18) | −0.0115 (18) |
C2 | 0.0303 (18) | 0.0305 (17) | 0.0271 (16) | 0.0190 (15) | 0.0068 (14) | 0.0070 (14) |
C3 | 0.0256 (18) | 0.0294 (18) | 0.0377 (19) | 0.0100 (15) | −0.0008 (15) | 0.0016 (15) |
C4 | 0.0227 (18) | 0.042 (2) | 0.049 (2) | 0.0153 (16) | 0.0102 (16) | 0.0070 (17) |
C5 | 0.0264 (18) | 0.0385 (19) | 0.0347 (18) | 0.0210 (16) | 0.0093 (14) | 0.0063 (15) |
C6 | 0.0265 (17) | 0.0291 (17) | 0.0238 (16) | 0.0173 (14) | 0.0069 (13) | 0.0082 (13) |
C7 | 0.0214 (16) | 0.0285 (17) | 0.0248 (16) | 0.0138 (14) | 0.0050 (13) | 0.0073 (13) |
C8 | 0.0275 (17) | 0.0295 (17) | 0.0234 (16) | 0.0189 (14) | 0.0084 (13) | 0.0065 (13) |
C9 | 0.0298 (18) | 0.0278 (17) | 0.0268 (17) | 0.0163 (15) | 0.0053 (14) | 0.0064 (13) |
C10 | 0.0296 (18) | 0.0285 (17) | 0.0333 (18) | 0.0132 (15) | 0.0053 (14) | 0.0047 (14) |
C11 | 0.036 (2) | 0.0324 (19) | 0.0339 (19) | 0.0155 (16) | 0.0062 (15) | 0.0014 (15) |
C12 | 0.051 (2) | 0.040 (2) | 0.049 (2) | 0.021 (2) | 0.0105 (19) | −0.0056 (18) |
C13 | 0.057 (3) | 0.041 (2) | 0.079 (3) | 0.004 (2) | 0.014 (2) | −0.019 (2) |
C14 | 0.055 (3) | 0.052 (3) | 0.104 (4) | −0.010 (2) | 0.031 (3) | −0.024 (3) |
C15 | 0.046 (2) | 0.043 (2) | 0.070 (3) | 0.005 (2) | 0.023 (2) | −0.012 (2) |
C16 | 0.076 (3) | 0.079 (3) | 0.040 (2) | 0.050 (3) | 0.019 (2) | 0.021 (2) |
C17 | 0.046 (2) | 0.046 (2) | 0.040 (2) | 0.0293 (19) | 0.0168 (17) | 0.0145 (17) |
C18 | 0.072 (3) | 0.058 (3) | 0.047 (2) | 0.046 (2) | 0.021 (2) | 0.024 (2) |
C19 | 0.086 (3) | 0.060 (3) | 0.059 (3) | 0.059 (3) | 0.023 (2) | 0.022 (2) |
C20 | 0.073 (3) | 0.053 (2) | 0.048 (2) | 0.045 (2) | 0.022 (2) | 0.0129 (19) |
C21 | 0.040 (2) | 0.0361 (19) | 0.0350 (19) | 0.0234 (17) | 0.0111 (16) | 0.0069 (15) |
C22 | 0.0320 (19) | 0.0300 (18) | 0.0377 (19) | 0.0164 (15) | 0.0082 (15) | 0.0065 (15) |
C23 | 0.041 (2) | 0.0362 (19) | 0.0359 (19) | 0.0247 (17) | 0.0124 (16) | 0.0029 (15) |
C24 | 0.0245 (17) | 0.0315 (18) | 0.0279 (17) | 0.0111 (14) | 0.0031 (14) | −0.0010 (14) |
C25 | 0.0309 (18) | 0.0310 (18) | 0.0292 (17) | 0.0134 (15) | 0.0093 (14) | 0.0035 (14) |
C26 | 0.034 (2) | 0.042 (2) | 0.0322 (18) | 0.0165 (17) | 0.0067 (15) | 0.0046 (16) |
C27 | 0.036 (2) | 0.052 (2) | 0.041 (2) | 0.0116 (18) | 0.0108 (17) | 0.0122 (18) |
C28 | 0.061 (3) | 0.046 (2) | 0.046 (2) | 0.021 (2) | 0.017 (2) | 0.0185 (19) |
C29 | 0.057 (3) | 0.053 (2) | 0.052 (2) | 0.033 (2) | 0.011 (2) | 0.022 (2) |
C30 | 0.044 (2) | 0.050 (2) | 0.046 (2) | 0.0287 (19) | 0.0134 (18) | 0.0125 (18) |
C31 | 0.042 (2) | 0.043 (2) | 0.062 (3) | 0.0269 (19) | 0.0021 (19) | 0.0165 (19) |
C32 | 0.0263 (18) | 0.0353 (19) | 0.0351 (18) | 0.0183 (15) | 0.0033 (15) | 0.0013 (15) |
C33 | 0.034 (2) | 0.056 (2) | 0.042 (2) | 0.0321 (19) | 0.0059 (16) | 0.0061 (18) |
C34 | 0.0263 (19) | 0.055 (2) | 0.045 (2) | 0.0235 (18) | 0.0099 (16) | 0.0029 (18) |
C35 | 0.0274 (18) | 0.0365 (19) | 0.0384 (19) | 0.0139 (16) | 0.0096 (15) | 0.0014 (15) |
C36 | 0.0223 (16) | 0.0312 (17) | 0.0291 (17) | 0.0137 (14) | 0.0036 (13) | −0.0026 (14) |
C37 | 0.0229 (17) | 0.0287 (17) | 0.0276 (17) | 0.0138 (14) | 0.0021 (13) | −0.0045 (13) |
C38 | 0.0241 (17) | 0.0288 (17) | 0.0287 (17) | 0.0109 (14) | 0.0077 (14) | 0.0015 (14) |
C39 | 0.0311 (18) | 0.0306 (17) | 0.0274 (17) | 0.0149 (15) | 0.0054 (14) | 0.0063 (14) |
C40 | 0.0318 (18) | 0.0296 (17) | 0.0315 (18) | 0.0159 (15) | 0.0055 (14) | 0.0065 (14) |
C41 | 0.036 (2) | 0.049 (2) | 0.049 (2) | 0.0191 (18) | 0.0078 (17) | 0.0239 (19) |
C42 | 0.042 (2) | 0.053 (2) | 0.060 (3) | 0.019 (2) | 0.0020 (19) | 0.030 (2) |
C43 | 0.059 (3) | 0.043 (2) | 0.050 (2) | 0.032 (2) | −0.003 (2) | 0.0135 (19) |
C44 | 0.045 (2) | 0.051 (2) | 0.038 (2) | 0.0332 (19) | −0.0008 (17) | 0.0027 (17) |
C45 | 0.040 (2) | 0.041 (2) | 0.0289 (18) | 0.0257 (17) | 0.0073 (15) | 0.0061 (15) |
C46 | 0.054 (3) | 0.058 (3) | 0.120 (4) | 0.028 (3) | 0.023 (3) | 0.016 (3) |
Cl1—O12 | 1.414 (3) | C12—C13 | 1.351 (6) |
Cl1—O11 | 1.418 (3) | C12—H12 | 0.9500 |
Cl1—O13 | 1.422 (3) | C13—C14 | 1.368 (6) |
Cl1—O10 | 1.428 (3) | C13—H13 | 0.9500 |
Mn1—O2 | 2.099 (2) | C14—C15 | 1.381 (6) |
Mn1—O3 | 2.148 (2) | C14—H14 | 0.9500 |
Mn1—O8 | 2.105 (2) | C15—H15 | 0.9500 |
Mn1—O9 | 2.196 (2) | C16—H16A | 0.9800 |
Mn1—N1 | 2.263 (2) | C16—H16B | 0.9800 |
Mn1—N5 | 2.253 (3) | C16—H16C | 0.9800 |
Mn2—O1 | 2.427 (2) | C17—C18 | 1.367 (5) |
Mn2—O2 | 2.083 (2) | C17—C22 | 1.419 (5) |
Mn2—O5 | 2.061 (2) | C18—C19 | 1.403 (5) |
Mn2—O6 | 2.192 (2) | C18—H18 | 0.9500 |
Mn2—O8 | 2.215 (2) | C19—C20 | 1.351 (5) |
Mn2—N3 | 2.200 (3) | C19—H19 | 0.9500 |
Mn1—Mn2 | 3.284 (1) | C20—C21 | 1.407 (5) |
N1—C8 | 1.285 (4) | C20—H20 | 0.9500 |
N1—N2 | 1.383 (3) | C21—C22 | 1.420 (4) |
N2—C9 | 1.344 (4) | C21—C23 | 1.430 (5) |
N2—H2A | 0.8800 | C23—H23 | 0.9500 |
N3—C23 | 1.284 (4) | C24—C25 | 1.473 (4) |
N3—N4 | 1.384 (4) | C25—C26 | 1.388 (5) |
N4—C24 | 1.343 (4) | C25—C30 | 1.388 (5) |
N4—H4A | 0.8800 | C26—C27 | 1.376 (5) |
N5—C38 | 1.289 (4) | C26—H26 | 0.9500 |
N5—N6 | 1.377 (3) | C27—C28 | 1.372 (5) |
N6—C39 | 1.350 (4) | C27—H27 | 0.9500 |
N6—H6A | 0.8800 | C28—C29 | 1.372 (6) |
O1—C2 | 1.388 (4) | C28—H28 | 0.9500 |
O1—C1 | 1.429 (4) | C29—C30 | 1.378 (5) |
O2—C7 | 1.320 (3) | C29—H29 | 0.9500 |
O3—C9 | 1.249 (4) | C30—H30 | 0.9500 |
O4—C17 | 1.358 (4) | C31—H31A | 0.9800 |
O4—C16 | 1.418 (4) | C31—H31B | 0.9800 |
O5—C22 | 1.322 (4) | C31—H31C | 0.9800 |
O6—C24 | 1.242 (4) | C32—C33 | 1.375 (4) |
O7—C32 | 1.372 (4) | C32—C37 | 1.424 (4) |
O7—C31 | 1.430 (4) | C33—C34 | 1.391 (5) |
O8—C37 | 1.320 (4) | C33—H33 | 0.9500 |
O9—C39 | 1.242 (4) | C34—C35 | 1.361 (5) |
O14—C46 | 1.410 (5) | C34—H34 | 0.9500 |
O14—H14A | 0.8400 | C35—C36 | 1.416 (4) |
C1—H1A | 0.9800 | C35—H35 | 0.9500 |
C1—H1B | 0.9800 | C36—C37 | 1.417 (5) |
C1—H1C | 0.9800 | C36—C38 | 1.445 (4) |
C2—C3 | 1.364 (4) | C38—H38 | 0.9500 |
C2—C7 | 1.404 (4) | C39—C40 | 1.483 (4) |
C3—C4 | 1.401 (5) | C40—C45 | 1.383 (5) |
C3—H3 | 0.9500 | C40—C41 | 1.385 (5) |
C4—C5 | 1.365 (5) | C41—C42 | 1.377 (5) |
C4—H4 | 0.9500 | C41—H41 | 0.9500 |
C5—C6 | 1.412 (4) | C42—C43 | 1.380 (5) |
C5—H5 | 0.9500 | C42—H42 | 0.9500 |
C6—C7 | 1.410 (4) | C43—C44 | 1.376 (5) |
C6—C8 | 1.444 (4) | C43—H43 | 0.9500 |
C8—H8 | 0.9500 | C44—C45 | 1.384 (5) |
C9—C10 | 1.480 (4) | C44—H44 | 0.9500 |
C10—C15 | 1.373 (5) | C45—H45 | 0.9500 |
C10—C11 | 1.385 (4) | C46—H46A | 0.9800 |
C11—C12 | 1.374 (5) | C46—H46B | 0.9800 |
C11—H11 | 0.9500 | C46—H46C | 0.9800 |
O12—Cl1—O11 | 111.2 (3) | C12—C13—H13 | 120.0 |
O12—Cl1—O13 | 108.7 (2) | C14—C13—H13 | 120.0 |
O11—Cl1—O13 | 108.39 (19) | C13—C14—C15 | 119.8 (4) |
O12—Cl1—O10 | 108.54 (18) | C13—C14—H14 | 120.1 |
O11—Cl1—O10 | 109.91 (18) | C15—C14—H14 | 120.1 |
O13—Cl1—O10 | 110.12 (18) | C10—C15—C14 | 120.9 (4) |
O2—Mn1—O8 | 76.87 (8) | C10—C15—H15 | 119.6 |
O2—Mn1—O3 | 145.50 (8) | C14—C15—H15 | 119.6 |
O8—Mn1—O3 | 109.15 (8) | O4—C16—H16A | 109.5 |
O2—Mn1—O9 | 98.66 (9) | O4—C16—H16B | 109.5 |
O8—Mn1—O9 | 143.09 (8) | H16A—C16—H16B | 109.5 |
O3—Mn1—O9 | 95.20 (9) | O4—C16—H16C | 109.5 |
O2—Mn1—N5 | 119.63 (9) | H16A—C16—H16C | 109.5 |
O8—Mn1—N5 | 79.31 (9) | H16B—C16—H16C | 109.5 |
O3—Mn1—N5 | 94.72 (9) | O4—C17—C18 | 125.1 (3) |
O9—Mn1—N5 | 71.21 (8) | O4—C17—C22 | 113.2 (3) |
O2—Mn1—N1 | 77.63 (8) | C18—C17—C22 | 121.7 (3) |
O8—Mn1—N1 | 128.89 (9) | C17—C18—C19 | 120.5 (4) |
O3—Mn1—N1 | 72.54 (8) | C17—C18—H18 | 119.7 |
O9—Mn1—N1 | 84.16 (8) | C19—C18—H18 | 119.7 |
N5—Mn1—N1 | 151.29 (9) | C20—C19—C18 | 119.1 (3) |
O5—Mn2—O2 | 109.55 (9) | C20—C19—H19 | 120.4 |
O5—Mn2—O6 | 150.92 (8) | C18—C19—H19 | 120.4 |
O2—Mn2—O6 | 96.68 (8) | C19—C20—C21 | 122.2 (3) |
O5—Mn2—N3 | 82.02 (9) | C19—C20—H20 | 118.9 |
O2—Mn2—N3 | 168.30 (9) | C21—C20—H20 | 118.9 |
O6—Mn2—N3 | 72.45 (9) | C20—C21—C22 | 119.4 (3) |
O5—Mn2—O8 | 107.68 (8) | C20—C21—C23 | 117.0 (3) |
O2—Mn2—O8 | 74.83 (8) | C22—C21—C23 | 123.5 (3) |
O6—Mn2—O8 | 90.80 (8) | O5—C22—C17 | 118.9 (3) |
N3—Mn2—O8 | 100.50 (9) | O5—C22—C21 | 124.1 (3) |
O5—Mn2—O1 | 92.92 (9) | C17—C22—C21 | 117.0 (3) |
O2—Mn2—O1 | 68.95 (8) | N3—C23—C21 | 124.6 (3) |
O6—Mn2—O1 | 84.77 (8) | N3—C23—H23 | 117.7 |
N3—Mn2—O1 | 113.22 (9) | C21—C23—H23 | 117.7 |
O8—Mn2—O1 | 142.67 (7) | O6—C24—N4 | 120.1 (3) |
C8—N1—N2 | 117.0 (2) | O6—C24—C25 | 121.8 (3) |
C8—N1—Mn1 | 131.2 (2) | N4—C24—C25 | 118.1 (3) |
N2—N1—Mn1 | 111.15 (17) | C26—C25—C30 | 118.8 (3) |
C9—N2—N1 | 116.7 (2) | C26—C25—C24 | 123.2 (3) |
C9—N2—H2A | 121.6 | C30—C25—C24 | 117.9 (3) |
N1—N2—H2A | 121.6 | C27—C26—C25 | 119.8 (3) |
C23—N3—N4 | 117.4 (3) | C27—C26—H26 | 120.1 |
C23—N3—Mn2 | 130.8 (2) | C25—C26—H26 | 120.1 |
N4—N3—Mn2 | 111.61 (18) | C28—C27—C26 | 120.5 (4) |
C24—N4—N3 | 116.6 (2) | C28—C27—H27 | 119.7 |
C24—N4—H4A | 121.7 | C26—C27—H27 | 119.7 |
N3—N4—H4A | 121.7 | C29—C28—C27 | 120.7 (4) |
C38—N5—N6 | 116.8 (3) | C29—C28—H28 | 119.7 |
C38—N5—Mn1 | 130.1 (2) | C27—C28—H28 | 119.7 |
N6—N5—Mn1 | 113.08 (18) | C28—C29—C30 | 119.0 (4) |
C39—N6—N5 | 116.4 (3) | C28—C29—H29 | 120.5 |
C39—N6—H6A | 121.8 | C30—C29—H29 | 120.5 |
N5—N6—H6A | 121.8 | C29—C30—C25 | 121.2 (4) |
C2—O1—C1 | 118.0 (3) | C29—C30—H30 | 119.4 |
C2—O1—Mn2 | 111.43 (18) | C25—C30—H30 | 119.4 |
C1—O1—Mn2 | 130.5 (2) | O7—C31—H31A | 109.5 |
C7—O2—Mn2 | 122.82 (18) | O7—C31—H31B | 109.5 |
C7—O2—Mn1 | 133.25 (18) | H31A—C31—H31B | 109.5 |
Mn2—O2—Mn1 | 103.50 (9) | O7—C31—H31C | 109.5 |
C9—O3—Mn1 | 118.2 (2) | H31A—C31—H31C | 109.5 |
C17—O4—C16 | 118.2 (3) | H31B—C31—H31C | 109.5 |
C22—O5—Mn2 | 133.1 (2) | O7—C32—C33 | 125.0 (3) |
C24—O6—Mn2 | 114.7 (2) | O7—C32—C37 | 113.9 (3) |
C32—O7—C31 | 117.1 (3) | C33—C32—C37 | 121.1 (3) |
C37—O8—Mn1 | 131.7 (2) | C32—C33—C34 | 120.5 (3) |
C37—O8—Mn2 | 116.67 (18) | C32—C33—H33 | 119.8 |
Mn1—O8—Mn2 | 98.92 (8) | C34—C33—H33 | 119.8 |
C39—O9—Mn1 | 118.4 (2) | C35—C34—C33 | 120.3 (3) |
C46—O14—H14A | 109.5 | C35—C34—H34 | 119.8 |
O1—C1—H1A | 109.5 | C33—C34—H34 | 119.8 |
O1—C1—H1B | 109.5 | C34—C35—C36 | 120.9 (3) |
H1A—C1—H1B | 109.5 | C34—C35—H35 | 119.5 |
O1—C1—H1C | 109.5 | C36—C35—H35 | 119.5 |
H1A—C1—H1C | 109.5 | C35—C36—C37 | 119.6 (3) |
H1B—C1—H1C | 109.5 | C35—C36—C38 | 117.0 (3) |
C3—C2—O1 | 125.1 (3) | C37—C36—C38 | 123.4 (3) |
C3—C2—C7 | 122.3 (3) | O8—C37—C36 | 123.1 (3) |
O1—C2—C7 | 112.5 (3) | O8—C37—C32 | 119.3 (3) |
C2—C3—C4 | 118.8 (3) | C36—C37—C32 | 117.5 (3) |
C2—C3—H3 | 120.6 | N5—C38—C36 | 124.2 (3) |
C4—C3—H3 | 120.6 | N5—C38—H38 | 117.9 |
C5—C4—C3 | 120.6 (3) | C36—C38—H38 | 117.9 |
C5—C4—H4 | 119.7 | O9—C39—N6 | 120.1 (3) |
C3—C4—H4 | 119.7 | O9—C39—C40 | 120.6 (3) |
C4—C5—C6 | 121.3 (3) | N6—C39—C40 | 119.3 (3) |
C4—C5—H5 | 119.4 | C45—C40—C41 | 119.6 (3) |
C6—C5—H5 | 119.4 | C45—C40—C39 | 117.0 (3) |
C7—C6—C5 | 118.3 (3) | C41—C40—C39 | 123.4 (3) |
C7—C6—C8 | 123.4 (3) | C42—C41—C40 | 119.7 (4) |
C5—C6—C8 | 118.3 (3) | C42—C41—H41 | 120.1 |
O2—C7—C2 | 118.6 (3) | C40—C41—H41 | 120.1 |
O2—C7—C6 | 122.7 (3) | C41—C42—C43 | 120.6 (4) |
C2—C7—C6 | 118.7 (3) | C41—C42—H42 | 119.7 |
N1—C8—C6 | 123.4 (3) | C43—C42—H42 | 119.7 |
N1—C8—H8 | 118.3 | C44—C43—C42 | 120.1 (3) |
C6—C8—H8 | 118.3 | C44—C43—H43 | 120.0 |
O3—C9—N2 | 120.9 (3) | C42—C43—H43 | 120.0 |
O3—C9—C10 | 120.8 (3) | C43—C44—C45 | 119.5 (3) |
N2—C9—C10 | 118.3 (3) | C43—C44—H44 | 120.3 |
C15—C10—C11 | 118.0 (3) | C45—C44—H44 | 120.3 |
C15—C10—C9 | 117.9 (3) | C40—C45—C44 | 120.5 (3) |
C11—C10—C9 | 124.0 (3) | C40—C45—H45 | 119.7 |
C12—C11—C10 | 120.7 (3) | C44—C45—H45 | 119.7 |
C12—C11—H11 | 119.6 | O14—C46—H46A | 109.5 |
C10—C11—H11 | 119.6 | O14—C46—H46B | 109.5 |
C13—C12—C11 | 120.4 (4) | H46A—C46—H46B | 109.5 |
C13—C12—H12 | 119.8 | O14—C46—H46C | 109.5 |
C11—C12—H12 | 119.8 | H46A—C46—H46C | 109.5 |
C12—C13—C14 | 120.1 (4) | H46B—C46—H46C | 109.5 |
D—H···A | D—H | H···A | D···A | D—H···A |
N2—H2A···O5i | 0.88 | 2.04 | 2.907 (3) | 168 |
N4—H4A···O13ii | 0.88 | 2.08 | 2.910 (4) | 156 |
N6—H6A···O14 | 0.88 | 1.98 | 2.810 (4) | 156 |
O14—H14A···O10iii | 0.84 | 2.05 | 2.865 (4) | 165 |
Symmetry codes: (i) −x+1, −y+2, −z; (ii) −x+1, −y+2, −z+1; (iii) x−1, y, z. |
Experimental details
Crystal data | |
Chemical formula | [Mn2(C15H13N2O3)3]ClO4·CH4O |
Mr | 1049.19 |
Crystal system, space group | Triclinic, P1 |
Temperature (K) | 173 |
a, b, c (Å) | 12.7184 (6), 13.8723 (7), 15.0885 (12) |
α, β, γ (°) | 100.268 (1), 94.030 (1), 115.826 (1) |
V (Å3) | 2324.7 (2) |
Z | 2 |
Radiation type | Mo Kα |
µ (mm−1) | 0.68 |
Crystal size (mm) | 0.15 × 0.12 × 0.10 |
Data collection | |
Diffractometer | Bruker APEXII CCD |
Absorption correction | Multi-scan (SADABS; Sheldrick, 1996) |
Tmin, Tmax | 0.906, 0.936 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 11959, 8138, 6183 |
Rint | 0.021 |
(sin θ/λ)max (Å−1) | 0.595 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.045, 0.123, 1.05 |
No. of reflections | 8138 |
No. of parameters | 627 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.49, −0.68 |
Computer programs: APEX2 (Bruker, 2007), SAINT-Plus (Bruker, 2007), SHELXS97 (Sheldrick, 2008), DIAMOND (Brandenburg, 1999), SHELXL97 (Sheldrick, 2008) and publCIF (Westrip, 2010).
Mn1—O2 | 2.099 (2) | Mn2—O1 | 2.427 (2) |
Mn1—O3 | 2.148 (2) | Mn2—O2 | 2.083 (2) |
Mn1—O8 | 2.105 (2) | Mn2—O5 | 2.061 (2) |
Mn1—O9 | 2.196 (2) | Mn2—O6 | 2.192 (2) |
Mn1—N1 | 2.263 (2) | Mn2—O8 | 2.215 (2) |
Mn1—N5 | 2.253 (3) | Mn2—N3 | 2.200 (3) |
D—H···A | D—H | H···A | D···A | D—H···A |
N2—H2A···O5i | 0.88 | 2.04 | 2.907 (3) | 168 |
N4—H4A···O13ii | 0.88 | 2.08 | 2.910 (4) | 156 |
N6—H6A···O14 | 0.88 | 1.98 | 2.810 (4) | 156 |
O14—H14A···O10iii | 0.84 | 2.05 | 2.865 (4) | 165 |
Symmetry codes: (i) −x+1, −y+2, −z; (ii) −x+1, −y+2, −z+1; (iii) x−1, y, z. |
Acknowledgements
The authors thank Changchun University of Science and Technology for a research grant and Fujian Normal University for a technology grant.
References
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Studies of Schiff base compounds are of great interest in various aspects of chemistry, such as homogeneous catalysts in industry, antitumor activities, photoelectric materials, catalytic materials, etc. (Ando et al., 2004; Costes et al., 1995; Duda et al., 2003; Siddall et al., 1983). The crystal structures of metal complexes with salicylaldehyde benzoylhydrazide have been attracted tremendous interest (Huang & Li, 2007; Yin, 2008; Yu et al., 2006). As a continuation of our effort in this system, we investigated a novel Schiff base, 3-methoxysalicylaldehyde benzoylhydrazide (H2L). This multidentate ligand has several O and N donors with suitable relative positions, which can coordinate to two or more metal centers. In addition, the vanillin group displays a variety of bonding geometries, such as monodentate, chelating, bidentate bridging, monodentate bridging, and chelating bridging (Li et al., 2010). We report here the synthesis and crystal structure of the title compound.
The molecular structure of the title compound is shown in Fig. 1. There are two crystallographically independent MnII centers with different coordination environments in the asymmetric unit. The two MnII ions, Mnl and Mn2, are bridged by two phenolate O atoms (O2, O8) from two Schiff base ligands (Table 1). The Mn1···Mn2 separation is 3.284 (1) Å, and the Mn1—O2—Mn2 and Mn1—O8—Mn2 angles are 103.50 (9) and 98.92 (8)°, respectively. The coordination geometry of each MnII ion is distorted octahedral. The Mn1 atom is coordinated by two N atoms and four O atoms from two ligands. The square plane around the Mn1 atom is formed by O2N2 donor atoms (N1, N5, O8 and O9) and the axial positions are occupied by phenolate O2 and carbonyl O3. However, the Mn2 atom is coordinated by one N atom and five O atoms from three ligands. The distorted octahedral coordination is achieved by the equatorial plane donor atoms, methoxy O1, carbonyl O2, phenolate O8 and hydrazine N3, and the coordination of phenolate O5 and carbonyl O6 at the axial positions. In addition, the methoxy O1 is weakly bonded to Mn2 with a Mn2—O1 distance of 2.427 (2) Å, which is comparable to those reported for other binuclear MnII complexes (Mikuriya et al., 1992). In the crystal structure, two adjacent molecules participate in complementary N(hydrazine)—H···O(phenolate) hydrogen bonds, forming a dimeric structure (Fig. 2 and Table 2). The dimers, perchlorate anions and methanol solvent molecules are further connected into a chain structure through N—H···O and O—H···O hydrogen bonds (Fig. 3).