metal-organic compounds
N,N-bis(2-hydroxyethyl)glycinato-κ3O1,N,O2]cobalt(II) monohydrate
of bis[aKey Laboratory of Functional Organometallic Materials, Department of Chemistry and Materials Science, Hengyang Normal University, Hengyang 421008, People's Republic of China, and bDepartment of Chemistry and Materials Science, Hengyang Normal University, Hengyang 421008, People's Republic of China
*Correspondence e-mail: 275810051@qq.com
The title compound, [Co(C6H12O4)2]·H2O, was prepared by mild heating of an aqueous solution. The CoII ion has a slightly distorted octahedral coordination environment which is defined by two N atoms occupying the apical position, while the equatorial plane is furnished by two hydroxy O atoms and two carboxylate O atoms. The four hydroxy O atoms from two distinct N,N-bis(2-hydroxyethyl)glycine (bicH2−) ligands act as hydrogen-bond donors with two carboxylate O atoms as acceptors to form O—H⋯O hydrogen-bonded layers extending parallel to (100). In addition, the guest water molecule acts as both a hydrogen-bond donor and acceptor, so that each Co(bicH2)2 molecule is connected simultaneously to six neighbouring Co(bicH2)2 and two guest water molecules by hydrogen bonding.
CCDC reference: 1431271
1. Related literature
For N,N-bis(2-hydroxyethyl)glycine complexes with transition metals, see: Graham et al. (2009); Katsoulakou et al. (2011); Liu et al. (2013); Inomata et al. (2001); Messimeri et al. (2002). Iminodiacetic acid (Cui et al., 2008; Kong et al., 2008), nitrilotriacetic acid (Ma et al., 2009) and N-(2-carbamoylmethyl)iminodiacetic acid (Bugella-Altamirano et al., 2003) are also known to be effective ligands for transition metal ions.
2. Experimental
2.1. Crystal data
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2.3. Refinement
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Data collection: SMART (Bruker, 2012); cell SAINT (Bruker, 2012); 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 for Windows (Farrugia, 2012); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).
Supporting information
CCDC reference: 1431271
https://doi.org/10.1107/S205698901501943X/bq2401sup1.cif
contains datablocks I, New_Global_Publ_Block. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S205698901501943X/bq2401Isup2.hkl
Supporting information file. DOI: https://doi.org/10.1107/S205698901501943X/bq2401Isup3.docx
The design and synthesis of transition metal coordination complexes based on those multi-dentate flexible carboxylate ligands have attracted significant attention due to their structural diversity and utility in supramolecular chemistry and crystal engineering. Iminodiacetic acid (Cui et al., 2008; Kong et al., 2008), nitrilotriacetic acid (Ma et al., 2009) and N-(2-carbamoylmethyl)iminodiacetic acid (Bugella-Altamirano et al., 2003) have been known as effective ligands for transition metal ions. As an analogous ligand, N,N-bis(2-hydroxyethyl) glycine is a widely used buffer in many biochemical studies. However, transition metal complexes with N,N-bis(2-hydroxyethyl) glycine has been less extensively studied, and only a few reports describing N,N-bis(2-hydroxyethyl) glycine complexes have appeared (Graham et al., 2009; Katsoulakou et al., 2011; Liu et al., 2013; Inomata et al., 2001; Messimeri et al., 2002). In the present report, we describe the synthesis and structure of title compound.
Single-crystal X-ray
shows that the title compound crystallizes in the monoclinic P21/c and its contains one Co (II) ion, two distinct deprotonated N,N-bis(2-hydroxyethyl) glycine (bicH2-) anions and one water molecule. As showed in Fig. 1, CoII ion has a six-coordinated octahedral geometry which is defined by two nitrogen atoms occupying the apical position, while the equatorial plane are furnished by two hydroxyl oxygen atoms and two carboxylate atoms. The Co—O (Co1—O1 = 2.0544 (14) Å; Co1—O3 = 2.1093 Å; Co1—O5 = 2.0853 (15) Å; Co1—O7 = 2.1006 (7) Å) and Co—N (Co1—N1 = 2.1641 Å; Co1—N2 = 2.1881 Å) bond lengths are fall in the usual range. The of the title compound is stabilized by hydrogen bonds. A packing diagram of the complex showing hydrogen bonding interactions is shown in Fig. 2. The hydroxyl oxygen atoms (O3, O4, O7, O8) from the N,N-bis(2-hydroxyethyl)glycine ligands act as donors, while the carboxylate oxygen atoms (O2 and O6) are the acceptors. The hydrogen bonding interactions around one molecule are shown in Fig. 3. The hydrogen bonding parameters are tabulated in Table 1.A mixture of CoCl2·6H2O (0.237g, 1mmol) and N,N-bis(2-hydroxyethyl) glycine; (0.16g, 1mmol) was dissolved in water (20mL) and then drop of ethlylene diamine was added, and the mixture was stirred vigorously for 1h at 60 °C. Slow evaporation of the clear solution resulted in the separation of blue block crystals.
The design and synthesis of transition metal coordination complexes based on those multi-dentate flexible carboxylate ligands have attracted significant attention due to their structural diversity and utility in supramolecular chemistry and crystal engineering. Iminodiacetic acid (Cui et al., 2008; Kong et al., 2008), nitrilotriacetic acid (Ma et al., 2009) and N-(2-carbamoylmethyl)iminodiacetic acid (Bugella-Altamirano et al., 2003) have been known as effective ligands for transition metal ions. As an analogous ligand, N,N-bis(2-hydroxyethyl) glycine is a widely used buffer in many biochemical studies. However, transition metal complexes with N,N-bis(2-hydroxyethyl) glycine has been less extensively studied, and only a few reports describing N,N-bis(2-hydroxyethyl) glycine complexes have appeared (Graham et al., 2009; Katsoulakou et al., 2011; Liu et al., 2013; Inomata et al., 2001; Messimeri et al., 2002). In the present report, we describe the synthesis and structure of title compound.
Single-crystal X-ray
shows that the title compound crystallizes in the monoclinic P21/c and its contains one Co (II) ion, two distinct deprotonated N,N-bis(2-hydroxyethyl) glycine (bicH2-) anions and one water molecule. As showed in Fig. 1, CoII ion has a six-coordinated octahedral geometry which is defined by two nitrogen atoms occupying the apical position, while the equatorial plane are furnished by two hydroxyl oxygen atoms and two carboxylate atoms. The Co—O (Co1—O1 = 2.0544 (14) Å; Co1—O3 = 2.1093 Å; Co1—O5 = 2.0853 (15) Å; Co1—O7 = 2.1006 (7) Å) and Co—N (Co1—N1 = 2.1641 Å; Co1—N2 = 2.1881 Å) bond lengths are fall in the usual range. The of the title compound is stabilized by hydrogen bonds. A packing diagram of the complex showing hydrogen bonding interactions is shown in Fig. 2. The hydroxyl oxygen atoms (O3, O4, O7, O8) from the N,N-bis(2-hydroxyethyl)glycine ligands act as donors, while the carboxylate oxygen atoms (O2 and O6) are the acceptors. The hydrogen bonding interactions around one molecule are shown in Fig. 3. The hydrogen bonding parameters are tabulated in Table 1.A mixture of CoCl2·6H2O (0.237g, 1mmol) and N,N-bis(2-hydroxyethyl) glycine; (0.16g, 1mmol) was dissolved in water (20mL) and then drop of ethlylene diamine was added, and the mixture was stirred vigorously for 1h at 60 °C. Slow evaporation of the clear solution resulted in the separation of blue block crystals.
For N,N-bis(2-hydroxyethyl)glycine complexes with transition metals, see: Graham et al. (2009); Katsoulakou et al. (2011); Liu et al. (2013); Inomata et al. (2001); Messimeri et al. (2002) . Minodiacetic acid (Cui et al., 2008; Kong et al., 2008), nitrilotriacetic acid (Ma et al., 2009) and N-(2-carbamoylmethyl)iminodiacetic acid (Bugella-Altamirano et al., 2003) are also known to be effective ligands for transition metal ions.
detailsAll H atoms were positioned geometrically and treated as riding on their parent atoms [C—H =0.97 Å and Uiso = 1.2Ueq (C) for CH2 H atoms].
Data collection: SMART (Bruker, 2012); cell
SAINT (Bruker, 2012); data reduction: SAINT (Bruker, 2012); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).Fig. 1. The structure of the title complex, showing 30% probability displacement ellipsoids and the atom-numbering scheme. H atoms have been omitted for clarity. | |
Fig. 2. A partial view along the c axis of the crystal packing of the title compound. | |
Fig. 3. View of the hydrogen-bonding interactions for the title compound. |
[Co(C6H12NO4)2]·H2O | F(000) = 844 |
Mr = 401.28 | Dx = 1.626 Mg m−3 |
Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
a = 19.274 (3) Å | Cell parameters from 4351 reflections |
b = 12.0033 (17) Å | θ = 2.7–27.4° |
c = 7.196 (1) Å | µ = 1.10 mm−1 |
β = 100.081 (2)° | T = 296 K |
V = 1639.1 (4) Å3 | Block, red |
Z = 4 | 0.20 × 0.20 × 0.20 mm |
Bruker SMART CCD area-detector diffractometer | 3685 independent reflections |
Radiation source: fine-focus sealed tube | 2982 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.031 |
phi and ω scans | θmax = 27.5°, θmin = 1.1° |
Absorption correction: multi-scan (SADABS; Bruker, 2012) | h = −25→24 |
Tmin = 0.810, Tmax = 0.810 | k = −14→15 |
9415 measured reflections | l = −7→9 |
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)] = 0.037 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.108 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.04 | w = 1/[σ2(Fo2) + (0.0683P)2 + 0.2267P] where P = (Fo2 + 2Fc2)/3 |
3685 reflections | (Δ/σ)max < 0.001 |
229 parameters | Δρmax = 1.22 e Å−3 |
7 restraints | Δρmin = −0.51 e Å−3 |
[Co(C6H12NO4)2]·H2O | V = 1639.1 (4) Å3 |
Mr = 401.28 | Z = 4 |
Monoclinic, P21/c | Mo Kα radiation |
a = 19.274 (3) Å | µ = 1.10 mm−1 |
b = 12.0033 (17) Å | T = 296 K |
c = 7.196 (1) Å | 0.20 × 0.20 × 0.20 mm |
β = 100.081 (2)° |
Bruker SMART CCD area-detector diffractometer | 3685 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2012) | 2982 reflections with I > 2σ(I) |
Tmin = 0.810, Tmax = 0.810 | Rint = 0.031 |
9415 measured reflections |
R[F2 > 2σ(F2)] = 0.037 | 7 restraints |
wR(F2) = 0.108 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.04 | Δρmax = 1.22 e Å−3 |
3685 reflections | Δρmin = −0.51 e Å−3 |
229 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 | ||
C1 | 0.15613 (10) | 0.32888 (16) | 0.4861 (3) | 0.0250 (4) | |
C2 | 0.10124 (10) | 0.41726 (16) | 0.4166 (3) | 0.0257 (4) | |
H2A | 0.0728 | 0.3921 | 0.2995 | 0.031* | |
H2B | 0.0703 | 0.4255 | 0.5086 | 0.031* | |
C3 | 0.18533 (11) | 0.56936 (19) | 0.7134 (3) | 0.0317 (5) | |
H3A | 0.1877 | 0.6247 | 0.8125 | 0.038* | |
H3B | 0.1715 | 0.4989 | 0.7620 | 0.038* | |
C4 | 0.13146 (11) | 0.60422 (18) | 0.5450 (3) | 0.0292 (5) | |
H4A | 0.0850 | 0.6048 | 0.5794 | 0.035* | |
H4B | 0.1419 | 0.6792 | 0.5075 | 0.035* | |
C5 | 0.02221 (11) | 0.61413 (19) | 0.1906 (3) | 0.0323 (5) | |
H5A | −0.0073 | 0.5502 | 0.2042 | 0.039* | |
H5B | 0.0177 | 0.6676 | 0.2889 | 0.039* | |
C6 | 0.09822 (6) | 0.57870 (9) | 0.20355 (17) | 0.0258 (4) | |
H6A | 0.1008 | 0.5260 | 0.1029 | 0.031* | |
H6B | 0.1256 | 0.6436 | 0.1812 | 0.031* | |
C7 | 0.32255 (6) | 0.69375 (9) | 0.32133 (17) | 0.0248 (4) | |
C8 | 0.37980 (6) | 0.60795 (9) | 0.38576 (17) | 0.0260 (4) | |
H8A | 0.4193 | 0.6211 | 0.3217 | 0.031* | |
H8B | 0.3964 | 0.6158 | 0.5204 | 0.031* | |
C9 | 0.40241 (13) | 0.41472 (19) | 0.6612 (3) | 0.0364 (5) | |
H9A | 0.4220 | 0.4849 | 0.7126 | 0.044* | |
H9B | 0.3550 | 0.4077 | 0.6882 | 0.044* | |
C10 | 0.40096 (11) | 0.41103 (16) | 0.4523 (3) | 0.0264 (4) | |
H10A | 0.4483 | 0.4236 | 0.4281 | 0.032* | |
H10B | 0.3865 | 0.3371 | 0.4064 | 0.032* | |
C11 | 0.29542 (11) | 0.38393 (18) | 0.0716 (3) | 0.0304 (5) | |
H11A | 0.2917 | 0.3727 | −0.0633 | 0.036* | |
H11B | 0.3093 | 0.3141 | 0.1353 | 0.036* | |
C12 | 0.34855 (5) | 0.47358 (8) | 0.13899 (15) | 0.0273 (4) | |
H12A | 0.3944 | 0.4512 | 0.1144 | 0.033* | |
H12B | 0.3352 | 0.5418 | 0.0698 | 0.033* | |
N1 | 0.13172 (5) | 0.52733 (8) | 0.38473 (15) | 0.0212 (3) | |
N2 | 0.35292 (5) | 0.49430 (8) | 0.34461 (15) | 0.0211 (4) | |
O1 | 0.21990 (7) | 0.34960 (12) | 0.4875 (2) | 0.0277 (3) | |
O2 | 0.13358 (8) | 0.23761 (12) | 0.5359 (2) | 0.0371 (4) | |
O3 | 0.25265 (7) | 0.55828 (13) | 0.6590 (2) | 0.0301 (3) | |
O4 | 0.00231 (8) | 0.66298 (18) | 0.0101 (2) | 0.0420 (5) | |
O5 | 0.25988 (7) | 0.66233 (12) | 0.2898 (2) | 0.0300 (3) | |
O6 | 0.34269 (8) | 0.79245 (11) | 0.3073 (2) | 0.0345 (4) | |
O7 | 0.22955 (8) | 0.42119 (12) | 0.1150 (2) | 0.0287 (3) | |
O8 | 0.44467 (10) | 0.32506 (15) | 0.7424 (3) | 0.0462 (5) | |
O9 | 0.51436 (10) | 0.34647 (15) | 0.0981 (3) | 0.0430 (4) | |
Co1 | 0.242384 (13) | 0.500933 (18) | 0.37854 (4) | 0.01991 (11) | |
H3AA | 0.2766 (14) | 0.6113 (19) | 0.700 (4) | 0.051 (9)* | |
H4AA | −0.0348 (10) | 0.685 (2) | 0.010 (4) | 0.047 (8)* | |
H7AA | 0.1993 (14) | 0.373 (2) | 0.091 (5) | 0.067 (10)* | |
H8AA | 0.4681 (15) | 0.345 (3) | 0.843 (3) | 0.056 (9)* | |
H9AA | 0.5568 (9) | 0.336 (2) | 0.118 (4) | 0.049 (8)* | |
H9BB | 0.4938 (13) | 0.298 (2) | 0.145 (4) | 0.064 (11)* |
U11 | U22 | U33 | U12 | U13 | U23 | |
C1 | 0.0250 (10) | 0.0219 (10) | 0.0260 (10) | −0.0018 (8) | −0.0013 (8) | 0.0019 (8) |
C2 | 0.0209 (9) | 0.0212 (10) | 0.0333 (11) | −0.0024 (7) | 0.0001 (8) | 0.0042 (8) |
C3 | 0.0303 (11) | 0.0378 (12) | 0.0264 (11) | −0.0023 (9) | 0.0031 (8) | −0.0051 (9) |
C4 | 0.0304 (11) | 0.0256 (10) | 0.0310 (11) | 0.0031 (8) | 0.0035 (9) | −0.0044 (9) |
C5 | 0.0271 (11) | 0.0337 (12) | 0.0352 (12) | 0.0057 (9) | 0.0023 (9) | 0.0055 (9) |
C6 | 0.0234 (10) | 0.0268 (10) | 0.0262 (10) | 0.0030 (8) | 0.0016 (8) | 0.0048 (8) |
C7 | 0.0250 (10) | 0.0187 (9) | 0.0299 (10) | 0.0005 (7) | 0.0027 (8) | 0.0034 (8) |
C8 | 0.0215 (9) | 0.0172 (9) | 0.0380 (12) | −0.0020 (7) | 0.0020 (8) | 0.0013 (8) |
C9 | 0.0405 (13) | 0.0335 (12) | 0.0339 (12) | 0.0120 (10) | 0.0029 (10) | 0.0063 (9) |
C10 | 0.0261 (10) | 0.0194 (9) | 0.0328 (11) | 0.0056 (8) | 0.0024 (8) | 0.0013 (8) |
C11 | 0.0316 (11) | 0.0303 (11) | 0.0291 (11) | 0.0000 (9) | 0.0049 (9) | −0.0059 (9) |
C12 | 0.0259 (10) | 0.0297 (10) | 0.0270 (10) | 0.0009 (8) | 0.0069 (8) | 0.0025 (8) |
N1 | 0.0209 (8) | 0.0174 (7) | 0.0246 (8) | 0.0018 (6) | 0.0019 (6) | 0.0010 (6) |
N2 | 0.0216 (9) | 0.0155 (8) | 0.0254 (9) | 0.0008 (6) | 0.0025 (7) | 0.0007 (6) |
O1 | 0.0212 (7) | 0.0206 (7) | 0.0403 (8) | −0.0010 (5) | 0.0021 (6) | 0.0058 (6) |
O2 | 0.0274 (8) | 0.0254 (8) | 0.0553 (10) | −0.0057 (6) | −0.0015 (7) | 0.0155 (7) |
O3 | 0.0254 (8) | 0.0305 (9) | 0.0324 (8) | −0.0043 (6) | −0.0006 (6) | −0.0082 (6) |
O4 | 0.0300 (9) | 0.0542 (12) | 0.0399 (10) | 0.0163 (8) | 0.0011 (8) | 0.0155 (7) |
O5 | 0.0218 (7) | 0.0213 (7) | 0.0459 (9) | 0.0004 (5) | 0.0030 (6) | 0.0069 (6) |
O6 | 0.0283 (8) | 0.0177 (7) | 0.0546 (10) | −0.0021 (6) | −0.0012 (7) | 0.0092 (6) |
O7 | 0.0258 (8) | 0.0288 (8) | 0.0310 (8) | −0.0031 (6) | 0.0035 (6) | −0.0057 (6) |
O8 | 0.0596 (12) | 0.0354 (9) | 0.0381 (10) | 0.0159 (8) | −0.0070 (8) | 0.0072 (8) |
O9 | 0.0337 (10) | 0.0388 (10) | 0.0527 (11) | 0.0051 (8) | −0.0032 (8) | 0.0065 (9) |
Co1 | 0.01819 (17) | 0.01581 (17) | 0.02525 (18) | −0.00122 (8) | 0.00248 (11) | 0.00056 (9) |
C1—O1 | 1.252 (2) | C9—O8 | 1.413 (3) |
C1—O2 | 1.254 (2) | C9—C10 | 1.499 (3) |
C1—C2 | 1.520 (3) | C9—H9A | 0.9700 |
C2—N1 | 1.480 (2) | C9—H9B | 0.9700 |
C2—H2A | 0.9700 | C10—N2 | 1.485 (2) |
C2—H2B | 0.9700 | C10—H10A | 0.9700 |
C3—O3 | 1.426 (3) | C10—H10B | 0.9700 |
C3—C4 | 1.510 (3) | C11—O7 | 1.431 (3) |
C3—H3A | 0.9700 | C11—C12 | 1.506 (2) |
C3—H3B | 0.9700 | C11—H11A | 0.9700 |
C4—N1 | 1.478 (2) | C11—H11B | 0.9700 |
C4—H4A | 0.9700 | C12—N2 | 1.4882 |
C4—H4B | 0.9700 | C12—H12A | 0.9700 |
C5—O4 | 1.416 (3) | C12—H12B | 0.9700 |
C5—C6 | 1.513 (2) | N1—Co1 | 2.1644 |
C5—H5A | 0.9700 | N2—Co1 | 2.1878 |
C5—H5B | 0.9700 | O1—Co1 | 2.0544 (14) |
C6—N1 | 1.4840 (15) | O3—Co1 | 2.1083 (15) |
C6—H6A | 0.9700 | O3—H3AA | 0.811 (17) |
C6—H6B | 0.9700 | O4—H4AA | 0.761 (17) |
C7—O5 | 1.2476 (17) | O5—Co1 | 2.0858 (14) |
C7—O6 | 1.2562 (17) | O7—Co1 | 2.1000 (15) |
C7—C8 | 1.5212 | O7—H7AA | 0.820 (18) |
C8—N2 | 1.4709 (15) | O8—H8AA | 0.822 (17) |
C8—H8A | 0.9700 | O9—H9AA | 0.815 (16) |
C8—H8B | 0.9700 | O9—H9BB | 0.810 (16) |
O1—C1—O2 | 124.06 (18) | C9—C10—H10B | 108.8 |
O1—C1—C2 | 119.33 (17) | H10A—C10—H10B | 107.7 |
O2—C1—C2 | 116.60 (17) | O7—C11—C12 | 106.59 (15) |
N1—C2—C1 | 113.69 (15) | O7—C11—H11A | 110.4 |
N1—C2—H2A | 108.8 | C12—C11—H11A | 110.4 |
C1—C2—H2A | 108.8 | O7—C11—H11B | 110.4 |
N1—C2—H2B | 108.8 | C12—C11—H11B | 110.4 |
C1—C2—H2B | 108.8 | H11A—C11—H11B | 108.6 |
H2A—C2—H2B | 107.7 | N2—C12—C11 | 110.89 (9) |
O3—C3—C4 | 109.65 (17) | N2—C12—H12A | 109.5 |
O3—C3—H3A | 109.7 | C11—C12—H12A | 109.5 |
C4—C3—H3A | 109.7 | N2—C12—H12B | 109.5 |
O3—C3—H3B | 109.7 | C11—C12—H12B | 109.5 |
C4—C3—H3B | 109.7 | H12A—C12—H12B | 108.0 |
H3A—C3—H3B | 108.2 | C4—N1—C2 | 112.38 (14) |
N1—C4—C3 | 110.93 (16) | C4—N1—C6 | 111.45 (11) |
N1—C4—H4A | 109.5 | C2—N1—C6 | 112.57 (11) |
C3—C4—H4A | 109.5 | C4—N1—Co1 | 104.21 (10) |
N1—C4—H4B | 109.5 | C2—N1—Co1 | 106.97 (9) |
C3—C4—H4B | 109.5 | C6—N1—Co1 | 108.76 (7) |
H4A—C4—H4B | 108.0 | C8—N2—C10 | 110.71 (11) |
O4—C5—C6 | 106.08 (16) | C8—N2—C12 | 108.16 (6) |
O4—C5—H5A | 110.5 | C10—N2—C12 | 109.15 (9) |
C6—C5—H5A | 110.5 | C8—N2—Co1 | 105.03 (7) |
O4—C5—H5B | 110.5 | C10—N2—Co1 | 119.78 (10) |
C6—C5—H5B | 110.5 | C12—N2—Co1 | 103.31 (3) |
H5A—C5—H5B | 108.7 | C1—O1—Co1 | 116.41 (12) |
N1—C6—C5 | 116.02 (12) | C3—O3—Co1 | 110.85 (11) |
N1—C6—H6A | 108.3 | C3—O3—H3AA | 108 (2) |
C5—C6—H6A | 108.3 | Co1—O3—H3AA | 124 (2) |
N1—C6—H6B | 108.3 | C5—O4—H4AA | 104 (2) |
C5—C6—H6B | 108.3 | C7—O5—Co1 | 115.36 (10) |
H6A—C6—H6B | 107.4 | C11—O7—Co1 | 111.77 (12) |
O5—C7—O6 | 124.99 (13) | C11—O7—H7AA | 111 (2) |
O5—C7—C8 | 118.57 (8) | Co1—O7—H7AA | 119 (2) |
O6—C7—C8 | 116.43 (8) | C9—O8—H8AA | 109 (2) |
N2—C8—C7 | 110.82 (6) | H9AA—O9—H9BB | 111 (2) |
N2—C8—H8A | 109.5 | O1—Co1—O5 | 173.89 (6) |
C7—C8—H8A | 109.5 | O1—Co1—O7 | 86.68 (6) |
N2—C8—H8B | 109.5 | O5—Co1—O7 | 98.43 (6) |
C7—C8—H8B | 109.5 | O1—Co1—O3 | 85.08 (6) |
H8A—C8—H8B | 108.1 | O5—Co1—O3 | 89.81 (6) |
O8—C9—C10 | 107.49 (18) | O7—Co1—O3 | 171.76 (6) |
O8—C9—H9A | 110.2 | O1—Co1—N1 | 81.21 (5) |
C10—C9—H9A | 110.2 | O5—Co1—N1 | 94.77 (5) |
O8—C9—H9B | 110.2 | O7—Co1—N1 | 97.16 (5) |
C10—C9—H9B | 110.2 | O3—Co1—N1 | 81.97 (5) |
H9A—C9—H9B | 108.5 | O1—Co1—N2 | 106.55 (5) |
N2—C10—C9 | 113.81 (16) | O5—Co1—N2 | 77.69 (5) |
N2—C10—H10A | 108.8 | O7—Co1—N2 | 81.12 (5) |
C9—C10—H10A | 108.8 | O3—Co1—N2 | 100.87 (5) |
N2—C10—H10B | 108.8 | N1—Co1—N2 | 171.86 (5) |
D—H···A | D—H | H···A | D···A | D—H···A |
O3—H3AA···O6i | 0.81 (2) | 1.79 (2) | 2.591 (2) | 169 (3) |
O4—H4AA···O2ii | 0.76 (2) | 1.98 (2) | 2.733 (2) | 171 (3) |
O7—H7AA···O2iii | 0.82 (2) | 1.83 (2) | 2.648 (2) | 178 (3) |
O8—H8AA···O9iv | 0.82 (2) | 1.89 (2) | 2.687 (3) | 162 (3) |
O9—H9AA···O6v | 0.82 (2) | 1.99 (2) | 2.796 (2) | 171 (3) |
O9—H9BB···O8iii | 0.81 (2) | 1.95 (2) | 2.759 (3) | 176 (3) |
Symmetry codes: (i) x, −y+3/2, z+1/2; (ii) −x, y+1/2, −z+1/2; (iii) x, −y+1/2, z−1/2; (iv) x, y, z+1; (v) −x+1, y−1/2, −z+1/2. |
D—H···A | D—H | H···A | D···A | D—H···A |
O3—H3AA···O6i | 0.811 (17) | 1.791 (18) | 2.591 (2) | 169 (3) |
O4—H4AA···O2ii | 0.761 (17) | 1.979 (18) | 2.733 (2) | 171 (3) |
O7—H7AA···O2iii | 0.820 (18) | 1.828 (18) | 2.648 (2) | 178 (3) |
O8—H8AA···O9iv | 0.822 (17) | 1.89 (2) | 2.687 (3) | 162 (3) |
O9—H9AA···O6v | 0.815 (16) | 1.988 (18) | 2.796 (2) | 171 (3) |
O9—H9BB···O8iii | 0.810 (16) | 1.950 (17) | 2.759 (3) | 176 (3) |
Symmetry codes: (i) x, −y+3/2, z+1/2; (ii) −x, y+1/2, −z+1/2; (iii) x, −y+1/2, z−1/2; (iv) x, y, z+1; (v) −x+1, y−1/2, −z+1/2. |
Acknowledgements
This work was supported by the Open Research Fund of the Key Laboratory in Hunan Province (grant No. 13 K105) and the Science and Technology Project of Hengyang (grant No. 2012 K J29). We also thank the Aid programs for Science and Technology Innovative Research Team in Higher Educational Institutions of Hunan Province and the Key Discipline of Hunan Province.
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