metal-organic compounds
{4-Bromo-2-[(5-chloro-2-oxidophenyl)iminomethyl]phenolato-κ3O,N,O′}(methanol-κO)(methanolato-κO)oxidovanadium(V)
aDepartment of Chemistry, Faculty of Science, Tabriz Branch, Islamic Azad University, PO Box 1655, Tabriz, Iran, bDepartment of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia, cChemistry Department, Faculty of Science, King Abdulaziz University, PO Box 80203 Jeddah, Saudi Arabia, and dDepartment of Inorganic Chemistry, Faculty of Chemistry, University of Tabriz, PO Box 5166616471, Tabriz, Iran
*Correspondence e-mail: edward.tiekink@gmail.com
The title Schiff base complex, [V(C13H7BrClNO2)(CH3O)O(CH3OH)], features a vanadyl group, a tridentate Schiff base ligand, and coordinated methanol and methanolate ligands. The NO5 donor set is based on a distorted octahedron. Helical supramolecular chains along [010] are found in the mediated by O—H⋯O hydrogen bonds formed between the coordinating methanol molecule and the phenolate O atom of the chlorobenzene residue.
Related literature
For the structures of (E)-2-(2-hydroxybenzylideneamino)phenolates containing halide atoms on the aromatic ring(s), see: Yenişehirli et al. (2010). For related Schiff base vanadyl complexes containing alcohol and alkoxide ligands, see: Hartung et al. (2007); Clague et al. (1993). For the crystallization procedure, see: Harrowfield et al. (1996).
Experimental
Crystal data
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Refinement
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Data collection: CrysAlis PRO (Agilent, 2010); cell CrysAlis PRO; data reduction: CrysAlis PRO; 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 DIAMOND (Brandenburg, 2006); software used to prepare material for publication: publCIF (Westrip, 2010).
Supporting information
10.1107/S160053681200311X/hg5167sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S160053681200311X/hg5167Isup2.hkl
A solution of 4-chlorosalicylaldehyde (10 mmol) in EtOH (25 ml) was added drop-wise to a solution of 2-(aminomethyl)-4-bromophenol (10 mmol) in EtOH (15 ml). The mixture was refluxed for 5 h. The yellow precipitate was removed by filtration and recrystallized from MeOH solution. Then the ligand (0.8 mmol) was placed in one arm of a branched tube (Harrowfield et al., 1996) and oxovanadium(IV) bis(acetylacetonate) (0.8 mmol) placed in the other. Methanol was then added to fill both arms. The tube was sealed and the ligand-containing arm immersed in a bath at 333 K, while the other was left at ambient temperature. After two weeks, crystals were deposited in the arm held at ambient temperature. They were filtered off, washed with acetone and ether, and air-dried. Yield: 61%. M.pt.: 517 K.
Carbon-bound H-atoms were placed in calculated positions [C—H 0.95–0.98 Å, Uiso(H) 1.2–1.5Ueq(C)] and were included in the
in the riding model approximation. The hydroxy H-atom was located in a difference Fourier map and was refined with a distance restraint of O–H 0.84±0.01 Å; Uiso was refined. The final difference Fourier map had a peak ca 1 Å from Br.Data collection: CrysAlis PRO (Agilent, 2010); cell
CrysAlis PRO (Agilent, 2010); data reduction: CrysAlis PRO (Agilent, 2010); 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 DIAMOND (Brandenburg, 2006); software used to prepare material for publication: publCIF (Westrip, 2010).[V(C13H7BrClNO2)(CH3O)O(CH4O)] | F(000) = 904 |
Mr = 454.57 | Dx = 1.796 Mg m−3 |
Monoclinic, P21/n | Cu Kα radiation, λ = 1.54184 Å |
Hall symbol: -P 2yn | Cell parameters from 3765 reflections |
a = 9.9585 (2) Å | θ = 4.5–76.3° |
b = 9.8949 (2) Å | µ = 9.42 mm−1 |
c = 17.3612 (3) Å | T = 100 K |
β = 100.746 (2)° | Plate, brown |
V = 1680.74 (6) Å3 | 0.20 × 0.20 × 0.02 mm |
Z = 4 |
Agilent SuperNova Dual diffractometer with an Atlas detector | 3453 independent reflections |
Radiation source: SuperNova (Cu) X-ray Source | 3125 reflections with I > 2σ(I) |
Mirror monochromator | Rint = 0.029 |
Detector resolution: 10.4041 pixels mm-1 | θmax = 76.5°, θmin = 4.8° |
ω scan | h = −12→12 |
Absorption correction: multi-scan (CrysAlis PRO; Agilent, 2010) | k = −12→12 |
Tmin = 0.255, Tmax = 0.834 | l = −10→21 |
6974 measured reflections |
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)] = 0.046 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.131 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.04 | w = 1/[σ2(Fo2) + (0.0869P)2 + 1.3682P] where P = (Fo2 + 2Fc2)/3 |
3453 reflections | (Δ/σ)max = 0.001 |
221 parameters | Δρmax = 1.37 e Å−3 |
1 restraint | Δρmin = −0.93 e Å−3 |
[V(C13H7BrClNO2)(CH3O)O(CH4O)] | V = 1680.74 (6) Å3 |
Mr = 454.57 | Z = 4 |
Monoclinic, P21/n | Cu Kα radiation |
a = 9.9585 (2) Å | µ = 9.42 mm−1 |
b = 9.8949 (2) Å | T = 100 K |
c = 17.3612 (3) Å | 0.20 × 0.20 × 0.02 mm |
β = 100.746 (2)° |
Agilent SuperNova Dual diffractometer with an Atlas detector | 3453 independent reflections |
Absorption correction: multi-scan (CrysAlis PRO; Agilent, 2010) | 3125 reflections with I > 2σ(I) |
Tmin = 0.255, Tmax = 0.834 | Rint = 0.029 |
6974 measured reflections |
R[F2 > 2σ(F2)] = 0.046 | 1 restraint |
wR(F2) = 0.131 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.04 | Δρmax = 1.37 e Å−3 |
3453 reflections | Δρmin = −0.93 e Å−3 |
221 parameters |
x | y | z | Uiso*/Ueq | ||
Br | 0.21340 (4) | 0.40275 (4) | 0.54299 (2) | 0.03558 (16) | |
V | 0.58605 (5) | 1.02259 (5) | 0.71783 (3) | 0.01590 (16) | |
Cl | 0.86189 (8) | 1.03418 (8) | 0.37755 (4) | 0.02228 (19) | |
O1 | 0.4952 (2) | 0.8625 (2) | 0.73417 (12) | 0.0202 (4) | |
O2 | 0.7315 (2) | 1.1284 (2) | 0.68762 (12) | 0.0177 (4) | |
O3 | 0.7673 (2) | 0.8869 (2) | 0.76214 (13) | 0.0194 (4) | |
H3 | 0.752 (5) | 0.8057 (17) | 0.771 (3) | 0.041 (13)* | |
O4 | 0.6177 (2) | 1.0892 (2) | 0.81386 (13) | 0.0211 (5) | |
O5 | 0.4594 (2) | 1.1120 (2) | 0.67670 (13) | 0.0220 (5) | |
N1 | 0.6091 (3) | 0.9280 (3) | 0.60826 (15) | 0.0169 (5) | |
C1 | 0.4304 (3) | 0.7660 (3) | 0.68900 (17) | 0.0181 (6) | |
C2 | 0.3401 (3) | 0.6813 (3) | 0.72029 (19) | 0.0216 (6) | |
H2 | 0.3230 | 0.6980 | 0.7715 | 0.026* | |
C3 | 0.2760 (3) | 0.5739 (3) | 0.6771 (2) | 0.0234 (7) | |
H3A | 0.2160 | 0.5164 | 0.6986 | 0.028* | |
C4 | 0.3008 (3) | 0.5516 (3) | 0.6017 (2) | 0.0237 (7) | |
C5 | 0.3868 (3) | 0.6329 (3) | 0.56906 (19) | 0.0218 (6) | |
H5 | 0.4016 | 0.6157 | 0.5175 | 0.026* | |
C6 | 0.4529 (3) | 0.7419 (3) | 0.61230 (18) | 0.0191 (6) | |
C7 | 0.5457 (3) | 0.8232 (3) | 0.57644 (17) | 0.0182 (6) | |
H7 | 0.5606 | 0.7972 | 0.5260 | 0.022* | |
C8 | 0.7007 (3) | 1.0031 (3) | 0.57077 (18) | 0.0171 (6) | |
C9 | 0.7317 (3) | 0.9777 (3) | 0.49641 (17) | 0.0172 (6) | |
H9 | 0.6910 | 0.9041 | 0.4654 | 0.021* | |
C10 | 0.8226 (3) | 1.0625 (3) | 0.46973 (17) | 0.0189 (6) | |
C11 | 0.8838 (3) | 1.1709 (3) | 0.51455 (18) | 0.0212 (6) | |
H11 | 0.9462 | 1.2277 | 0.4946 | 0.025* | |
C12 | 0.8540 (3) | 1.1961 (3) | 0.58772 (18) | 0.0202 (6) | |
H12 | 0.8950 | 1.2701 | 0.6182 | 0.024* | |
C13 | 0.7623 (3) | 1.1110 (3) | 0.61637 (17) | 0.0169 (6) | |
C14 | 0.8841 (3) | 0.9337 (4) | 0.8166 (2) | 0.0259 (7) | |
H14A | 0.9514 | 0.8607 | 0.8278 | 0.039* | |
H14B | 0.8559 | 0.9619 | 0.8653 | 0.039* | |
H14C | 0.9250 | 1.0107 | 0.7939 | 0.039* | |
C15 | 0.5543 (4) | 1.2004 (4) | 0.84499 (19) | 0.0256 (7) | |
H15A | 0.5968 | 1.2136 | 0.9001 | 0.038* | |
H15B | 0.4567 | 1.1817 | 0.8412 | 0.038* | |
H15C | 0.5660 | 1.2822 | 0.8152 | 0.038* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Br | 0.0332 (2) | 0.0270 (2) | 0.0455 (3) | −0.01347 (15) | 0.00452 (18) | −0.01039 (15) |
V | 0.0176 (3) | 0.0136 (3) | 0.0168 (3) | −0.00055 (19) | 0.0040 (2) | −0.00131 (18) |
Cl | 0.0255 (4) | 0.0234 (4) | 0.0193 (4) | 0.0001 (3) | 0.0078 (3) | 0.0003 (3) |
O1 | 0.0231 (11) | 0.0182 (10) | 0.0201 (10) | −0.0041 (9) | 0.0057 (8) | −0.0012 (8) |
O2 | 0.0203 (10) | 0.0146 (10) | 0.0188 (10) | −0.0018 (8) | 0.0051 (8) | −0.0001 (8) |
O3 | 0.0208 (11) | 0.0135 (10) | 0.0228 (10) | −0.0017 (8) | 0.0008 (8) | 0.0025 (8) |
O4 | 0.0231 (11) | 0.0203 (11) | 0.0209 (10) | −0.0001 (9) | 0.0068 (8) | −0.0028 (8) |
O5 | 0.0212 (11) | 0.0203 (11) | 0.0241 (11) | 0.0011 (9) | 0.0035 (9) | −0.0008 (8) |
N1 | 0.0175 (12) | 0.0151 (12) | 0.0182 (11) | 0.0005 (10) | 0.0036 (9) | −0.0008 (9) |
C1 | 0.0169 (13) | 0.0140 (14) | 0.0225 (14) | 0.0021 (11) | 0.0017 (11) | 0.0013 (11) |
C2 | 0.0185 (14) | 0.0193 (15) | 0.0276 (15) | −0.0004 (12) | 0.0058 (12) | 0.0011 (12) |
C3 | 0.0174 (15) | 0.0196 (15) | 0.0334 (17) | −0.0030 (12) | 0.0052 (12) | 0.0026 (13) |
C4 | 0.0184 (15) | 0.0161 (14) | 0.0338 (17) | −0.0032 (12) | −0.0025 (12) | −0.0014 (13) |
C5 | 0.0213 (15) | 0.0183 (15) | 0.0244 (15) | 0.0007 (12) | 0.0006 (12) | −0.0023 (12) |
C6 | 0.0179 (14) | 0.0146 (14) | 0.0242 (14) | −0.0001 (12) | 0.0024 (11) | 0.0018 (11) |
C7 | 0.0198 (14) | 0.0160 (14) | 0.0190 (13) | 0.0020 (12) | 0.0039 (11) | 0.0003 (11) |
C8 | 0.0178 (14) | 0.0132 (13) | 0.0203 (14) | 0.0002 (11) | 0.0038 (11) | 0.0005 (11) |
C9 | 0.0203 (15) | 0.0142 (14) | 0.0171 (14) | 0.0016 (11) | 0.0031 (11) | −0.0001 (10) |
C10 | 0.0197 (14) | 0.0201 (15) | 0.0167 (13) | 0.0032 (12) | 0.0031 (11) | −0.0003 (11) |
C11 | 0.0220 (15) | 0.0202 (15) | 0.0219 (14) | −0.0014 (12) | 0.0055 (11) | 0.0040 (12) |
C12 | 0.0205 (14) | 0.0169 (14) | 0.0224 (14) | −0.0014 (12) | 0.0016 (11) | −0.0012 (11) |
C13 | 0.0173 (14) | 0.0148 (13) | 0.0181 (13) | 0.0023 (11) | 0.0019 (11) | 0.0012 (11) |
C14 | 0.0204 (16) | 0.0208 (15) | 0.0322 (17) | −0.0014 (13) | −0.0063 (13) | 0.0010 (13) |
C15 | 0.0266 (16) | 0.0259 (16) | 0.0260 (15) | 0.0014 (14) | 0.0092 (13) | −0.0092 (13) |
Br—C4 | 1.906 (3) | C4—C5 | 1.372 (5) |
V—O1 | 1.872 (2) | C5—C6 | 1.405 (4) |
V—O2 | 1.937 (2) | C5—H5 | 0.9500 |
V—O3 | 2.266 (2) | C6—C7 | 1.451 (4) |
V—O4 | 1.766 (2) | C7—H7 | 0.9500 |
V—O5 | 1.596 (2) | C8—C13 | 1.400 (4) |
V—N1 | 2.170 (3) | C8—C9 | 1.405 (4) |
Cl—C10 | 1.740 (3) | C9—C10 | 1.377 (4) |
O1—C1 | 1.324 (4) | C9—H9 | 0.9500 |
O2—C13 | 1.340 (4) | C10—C11 | 1.397 (4) |
O3—C14 | 1.433 (4) | C11—C12 | 1.380 (4) |
O3—H3 | 0.835 (10) | C11—H11 | 0.9500 |
O4—C15 | 1.424 (4) | C12—C13 | 1.400 (4) |
N1—C7 | 1.284 (4) | C12—H12 | 0.9500 |
N1—C8 | 1.425 (4) | C14—H14A | 0.9800 |
C1—C6 | 1.411 (4) | C14—H14B | 0.9800 |
C1—C2 | 1.411 (4) | C14—H14C | 0.9800 |
C2—C3 | 1.385 (5) | C15—H15A | 0.9800 |
C2—H2 | 0.9500 | C15—H15B | 0.9800 |
C3—C4 | 1.396 (5) | C15—H15C | 0.9800 |
C3—H3A | 0.9500 | ||
O5—V—O4 | 101.68 (11) | C6—C5—H5 | 120.1 |
O5—V—O1 | 99.96 (11) | C5—C6—C1 | 119.6 (3) |
O4—V—O1 | 100.33 (10) | C5—C6—C7 | 118.0 (3) |
O5—V—O2 | 98.49 (11) | C1—C6—C7 | 122.5 (3) |
O4—V—O2 | 92.46 (10) | N1—C7—C6 | 124.4 (3) |
O1—V—O2 | 154.86 (10) | N1—C7—H7 | 117.8 |
O5—V—N1 | 92.90 (11) | C6—C7—H7 | 117.8 |
O4—V—N1 | 163.59 (11) | C13—C8—C9 | 120.5 (3) |
O1—V—N1 | 84.30 (10) | C13—C8—N1 | 112.9 (3) |
O2—V—N1 | 77.84 (9) | C9—C8—N1 | 126.5 (3) |
O5—V—O3 | 173.36 (10) | C10—C9—C8 | 118.1 (3) |
O4—V—O3 | 84.85 (10) | C10—C9—H9 | 120.9 |
O1—V—O3 | 79.86 (9) | C8—C9—H9 | 120.9 |
O2—V—O3 | 79.85 (9) | C9—C10—C11 | 121.8 (3) |
N1—V—O3 | 80.47 (9) | C9—C10—Cl | 119.1 (2) |
C1—O1—V | 135.74 (19) | C11—C10—Cl | 119.1 (2) |
C13—O2—V | 119.48 (19) | C12—C11—C10 | 120.3 (3) |
C14—O3—V | 122.00 (19) | C12—C11—H11 | 119.8 |
C14—O3—H3 | 110 (3) | C10—C11—H11 | 119.8 |
V—O3—H3 | 118 (4) | C11—C12—C13 | 119.0 (3) |
C15—O4—V | 129.3 (2) | C11—C12—H12 | 120.5 |
C7—N1—C8 | 122.0 (3) | C13—C12—H12 | 120.5 |
C7—N1—V | 127.0 (2) | O2—C13—C12 | 121.8 (3) |
C8—N1—V | 110.89 (19) | O2—C13—C8 | 117.9 (3) |
O1—C1—C6 | 122.4 (3) | C12—C13—C8 | 120.3 (3) |
O1—C1—C2 | 118.4 (3) | O3—C14—H14A | 109.5 |
C6—C1—C2 | 119.2 (3) | O3—C14—H14B | 109.5 |
C3—C2—C1 | 120.7 (3) | H14A—C14—H14B | 109.5 |
C3—C2—H2 | 119.7 | O3—C14—H14C | 109.5 |
C1—C2—H2 | 119.7 | H14A—C14—H14C | 109.5 |
C2—C3—C4 | 119.0 (3) | H14B—C14—H14C | 109.5 |
C2—C3—H3A | 120.5 | O4—C15—H15A | 109.5 |
C4—C3—H3A | 120.5 | O4—C15—H15B | 109.5 |
C5—C4—C3 | 121.8 (3) | H15A—C15—H15B | 109.5 |
C5—C4—Br | 119.4 (3) | O4—C15—H15C | 109.5 |
C3—C4—Br | 118.8 (3) | H15A—C15—H15C | 109.5 |
C4—C5—C6 | 119.7 (3) | H15B—C15—H15C | 109.5 |
C4—C5—H5 | 120.1 | ||
O5—V—O1—C1 | 69.0 (3) | C2—C3—C4—C5 | 0.0 (5) |
O4—V—O1—C1 | 172.9 (3) | C2—C3—C4—Br | 179.5 (2) |
O2—V—O1—C1 | −67.7 (4) | C3—C4—C5—C6 | 0.2 (5) |
N1—V—O1—C1 | −23.0 (3) | Br—C4—C5—C6 | −179.2 (2) |
O3—V—O1—C1 | −104.3 (3) | C4—C5—C6—C1 | 0.3 (5) |
O5—V—O2—C13 | −82.2 (2) | C4—C5—C6—C7 | 178.4 (3) |
O4—V—O2—C13 | 175.6 (2) | O1—C1—C6—C5 | 176.3 (3) |
O1—V—O2—C13 | 54.6 (3) | C2—C1—C6—C5 | −1.0 (4) |
N1—V—O2—C13 | 8.9 (2) | O1—C1—C6—C7 | −1.7 (5) |
O3—V—O2—C13 | 91.2 (2) | C2—C1—C6—C7 | −179.1 (3) |
O4—V—O3—C14 | −36.8 (2) | C8—N1—C7—C6 | 179.1 (3) |
O1—V—O3—C14 | −138.3 (2) | V—N1—C7—C6 | −5.0 (4) |
O2—V—O3—C14 | 56.6 (2) | C5—C6—C7—N1 | 177.6 (3) |
N1—V—O3—C14 | 135.9 (2) | C1—C6—C7—N1 | −4.3 (5) |
O5—V—O4—C15 | −4.4 (3) | C7—N1—C8—C13 | −178.1 (3) |
O1—V—O4—C15 | −106.9 (3) | V—N1—C8—C13 | 5.4 (3) |
O2—V—O4—C15 | 94.8 (3) | C7—N1—C8—C9 | 1.7 (5) |
N1—V—O4—C15 | 147.9 (4) | V—N1—C8—C9 | −174.8 (3) |
O3—V—O4—C15 | 174.4 (3) | C13—C8—C9—C10 | −0.7 (5) |
O5—V—N1—C7 | −85.7 (3) | N1—C8—C9—C10 | 179.6 (3) |
O4—V—N1—C7 | 121.4 (4) | C8—C9—C10—C11 | 0.2 (5) |
O1—V—N1—C7 | 14.0 (3) | C8—C9—C10—Cl | −179.5 (2) |
O2—V—N1—C7 | 176.2 (3) | C9—C10—C11—C12 | 0.0 (5) |
O3—V—N1—C7 | 94.6 (3) | Cl—C10—C11—C12 | 179.7 (2) |
O5—V—N1—C8 | 90.5 (2) | C10—C11—C12—C13 | 0.4 (5) |
O4—V—N1—C8 | −62.3 (4) | V—O2—C13—C12 | 171.7 (2) |
O1—V—N1—C8 | −169.7 (2) | V—O2—C13—C8 | −8.8 (4) |
O2—V—N1—C8 | −7.54 (19) | C11—C12—C13—O2 | 178.6 (3) |
O3—V—N1—C8 | −89.1 (2) | C11—C12—C13—C8 | −0.9 (5) |
V—O1—C1—C6 | 21.3 (5) | C9—C8—C13—O2 | −178.4 (3) |
V—O1—C1—C2 | −161.3 (2) | N1—C8—C13—O2 | 1.4 (4) |
O1—C1—C2—C3 | −176.2 (3) | C9—C8—C13—C12 | 1.0 (5) |
C6—C1—C2—C3 | 1.3 (5) | N1—C8—C13—C12 | −179.2 (3) |
C1—C2—C3—C4 | −0.8 (5) |
D—H···A | D—H | H···A | D···A | D—H···A |
O3—H3···O2i | 0.84 (1) | 1.89 (2) | 2.702 (3) | 163 (5) |
Symmetry code: (i) −x+3/2, y−1/2, −z+3/2. |
Experimental details
Crystal data | |
Chemical formula | [V(C13H7BrClNO2)(CH3O)O(CH4O)] |
Mr | 454.57 |
Crystal system, space group | Monoclinic, P21/n |
Temperature (K) | 100 |
a, b, c (Å) | 9.9585 (2), 9.8949 (2), 17.3612 (3) |
β (°) | 100.746 (2) |
V (Å3) | 1680.74 (6) |
Z | 4 |
Radiation type | Cu Kα |
µ (mm−1) | 9.42 |
Crystal size (mm) | 0.20 × 0.20 × 0.02 |
Data collection | |
Diffractometer | Agilent SuperNova Dual diffractometer with an Atlas detector |
Absorption correction | Multi-scan (CrysAlis PRO; Agilent, 2010) |
Tmin, Tmax | 0.255, 0.834 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 6974, 3453, 3125 |
Rint | 0.029 |
(sin θ/λ)max (Å−1) | 0.631 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.046, 0.131, 1.04 |
No. of reflections | 3453 |
No. of parameters | 221 |
No. of restraints | 1 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 1.37, −0.93 |
Computer programs: CrysAlis PRO (Agilent, 2010), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), ORTEP-3 (Farrugia, 1997) and DIAMOND (Brandenburg, 2006), publCIF (Westrip, 2010).
V—O1 | 1.872 (2) | V—O4 | 1.766 (2) |
V—O2 | 1.937 (2) | V—O5 | 1.596 (2) |
V—O3 | 2.266 (2) | V—N1 | 2.170 (3) |
D—H···A | D—H | H···A | D···A | D—H···A |
O3—H3···O2i | 0.835 (10) | 1.893 (18) | 2.702 (3) | 163 (5) |
Symmetry code: (i) −x+3/2, y−1/2, −z+3/2. |
Footnotes
‡Additional correspondence author, e-mail: shahverdizadeh@iaut.ac.ir.
Acknowledgements
We gratefully acknowledge support of this study by Tabriz Azad University, and thank the Ministry of Higher Education (Malaysia) for funding structural studies through the High-Impact Research scheme (UM.C/HIR/MOHE/SC/12).
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Structural studies of complexes with (E)-2-(2-hydroxybenzylideneamino)phenolates containing halide atoms on the aromatic ring(s) are comparatively rare (Yenişehirli et al., 2010) and those of complexes containing the (E)-4-bromo-2-((5-chloro-2-hydroxyphenylimino)methyl)phenolate ligand have not been reported. Herein we report the oxo-vanadium(V) complex of this ligand, (I).
The V atom in (I) is coordinated by the O,N,O-tridentate Schiff base ligand, an oxido-O atom, an O atom of the methoxido ligand and an O atom of the methanol ligand. The resulting NO5 donor set is based on an octahedron. The methanol ligand is trans to the oxido group and the V—O(methanol) bond length is significantly longer than the V—O(methanolate) bond, Table 1. The coordination geometry resembles those found in related V═O Schiff base compounds containing neutral and anionic forms of alcohols (Clague et al., 1993; Hartung et al., 2007).
The most prominent feature of the crystal packing is the formation of helical supramolecular chains along [010], Fig. 1 and Table 2. The connections between molecules are of the type O—H···O and involve the coordinated methanol molecule as the donor and the phenoxide-O atom of the chloro-substituted benzene ring as the acceptor.