Experimental
Crystal data
[Ni(C8H7O3)2(C3H4N2)2] Mr = 497.15 Monoclinic, C 2/c a = 12.8481 (14) Å b = 10.6829 (12) Å c = 16.3051 (19) Å β = 101.410 (1)° V = 2193.7 (4) Å3 Z = 4 Mo Kα radiation μ = 0.93 mm−1 T = 296 K 0.32 × 0.27 × 0.24 mm
|
Data collection
Bruker APEXII CCD diffractometer Absorption correction: multi-scan (SADABS; Sheldrick, 1996 ) Tmin = 0.762, Tmax = 0.811 5522 measured reflections 1960 independent reflections 1509 reflections with I > 2σ(I) Rint = 0.045
|
Ni1—N1 | 2.004 (2) | Ni1—O2 | 2.1128 (19) | Ni1—O1 | 2.1404 (18) | | |
D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A | N2—H2A⋯O1i | 0.86 | 1.88 | 2.734 (3) | 171 | O3—H3⋯O2ii | 0.82 | 1.96 | 2.763 (3) | 168 | Symmetry codes: (i) ; (ii) . | |
Data collection: APEX2 (Bruker, 2007
); cell refinement: SAINT (Bruker, 2007
); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008
); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008
); molecular graphics: SHELXTL (Sheldrick, 2008
); software used to prepare material for publication: SHELXTL.
Supporting information
A mixture of nickel chloride (0.13 g, 1 mmol), 3-hydroxyphenylacetic acid (0.152 g, 1 mmol), imidazole (0.068 g, 1 mmol), NaOH (0.06 g, 1.5 mmol) and H2O (12 ml) was placed in a 23 ml Teflon-lined reactor, which was heated to 433 K for 3 d and then cooled to room temperature at a rate of 10 K h-1. The crystals obtained were washed with water and dried in air.
H atoms were positioned geometrically and treated as riding on the parent C atoms, with C—H = 0.93 (CH) and 0.97 (CH2) Å, N—H = 0.86 Å, and with Uiso(H) = 1.2Ueq(C, N).
Data collection: APEX2 (Bruker, 2007); cell refinement: SAINT (Bruker, 2007); data reduction: SAINT (Bruker, 2007); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).
Bis(3-hydroxyphenylacetato-
κ2O,
O')bis(1
H- imidazole-
κN3)nickel(II)
top Crystal data top [Ni(C8H7O3)2(C3H4N2)2] | F(000) = 1032 |
Mr = 497.15 | Dx = 1.505 Mg m−3 |
Monoclinic, C2/c | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -C 2yc | Cell parameters from 5837 reflections |
a = 12.8481 (14) Å | θ = 2.8–27.9° |
b = 10.6829 (12) Å | µ = 0.93 mm−1 |
c = 16.3051 (19) Å | T = 296 K |
β = 101.410 (1)° | Block, blue |
V = 2193.7 (4) Å3 | 0.32 × 0.27 × 0.24 mm |
Z = 4 | |
Data collection top Bruker APEXII CCD diffractometer | 1960 independent reflections |
Radiation source: fine-focus sealed tube | 1509 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.045 |
ϕ and ω scans | θmax = 25.2°, θmin = 2.5° |
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | h = −13→15 |
Tmin = 0.762, Tmax = 0.811 | k = −10→12 |
5522 measured reflections | l = −19→19 |
Refinement top 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)] = 0.039 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.094 | H-atom parameters constrained |
S = 1.01 | w = 1/[σ2(Fo2) + (0.0443P)2] where P = (Fo2 + 2Fc2)/3 |
1960 reflections | (Δ/σ)max < 0.001 |
151 parameters | Δρmax = 0.29 e Å−3 |
0 restraints | Δρmin = −0.25 e Å−3 |
Crystal data top [Ni(C8H7O3)2(C3H4N2)2] | V = 2193.7 (4) Å3 |
Mr = 497.15 | Z = 4 |
Monoclinic, C2/c | Mo Kα radiation |
a = 12.8481 (14) Å | µ = 0.93 mm−1 |
b = 10.6829 (12) Å | T = 296 K |
c = 16.3051 (19) Å | 0.32 × 0.27 × 0.24 mm |
β = 101.410 (1)° | |
Data collection top Bruker APEXII CCD diffractometer | 1960 independent reflections |
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | 1509 reflections with I > 2σ(I) |
Tmin = 0.762, Tmax = 0.811 | Rint = 0.045 |
5522 measured reflections | |
Refinement top R[F2 > 2σ(F2)] = 0.039 | 0 restraints |
wR(F2) = 0.094 | H-atom parameters constrained |
S = 1.01 | Δρmax = 0.29 e Å−3 |
1960 reflections | Δρmin = −0.25 e Å−3 |
151 parameters | |
Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2) top | x | y | z | Uiso*/Ueq | |
C1 | 0.0902 (2) | 0.0767 (3) | 0.43721 (17) | 0.0387 (7) | |
N1 | 0.10445 (18) | 0.5333 (2) | 0.22611 (15) | 0.0392 (6) | |
Ni1 | 0.0000 | 0.40576 (5) | 0.2500 | 0.03283 (19) | |
O1 | −0.06407 (15) | 0.25890 (17) | 0.31434 (12) | 0.0421 (5) | |
C2 | 0.1936 (2) | 0.0654 (3) | 0.48209 (18) | 0.0438 (8) | |
H2 | 0.2208 | 0.1263 | 0.5213 | 0.053* | |
N2 | 0.2479 (2) | 0.6473 (3) | 0.24415 (17) | 0.0543 (8) | |
H2A | 0.3104 | 0.6747 | 0.2651 | 0.065* | |
O2 | 0.07730 (15) | 0.36060 (19) | 0.37318 (12) | 0.0423 (5) | |
C3 | 0.2567 (2) | −0.0347 (3) | 0.46956 (19) | 0.0451 (8) | |
O3 | 0.35853 (19) | −0.0487 (2) | 0.51162 (17) | 0.0704 (8) | |
H3 | 0.3769 | 0.0141 | 0.5397 | 0.106* | |
C4 | 0.2166 (3) | −0.1259 (3) | 0.4120 (2) | 0.0521 (9) | |
H4 | 0.2580 | −0.1945 | 0.4040 | 0.063* | |
C5 | 0.1146 (3) | −0.1143 (3) | 0.3666 (2) | 0.0566 (9) | |
H5 | 0.0877 | −0.1751 | 0.3272 | 0.068* | |
C6 | 0.0517 (3) | −0.0144 (3) | 0.37856 (19) | 0.0503 (8) | |
H6 | −0.0169 | −0.0079 | 0.3472 | 0.060* | |
C7 | 0.0230 (3) | 0.1885 (3) | 0.45013 (18) | 0.0476 (8) | |
H7A | −0.0462 | 0.1602 | 0.4578 | 0.057* | |
H7B | 0.0565 | 0.2332 | 0.5002 | 0.057* | |
C8 | 0.0100 (2) | 0.2748 (3) | 0.37584 (17) | 0.0369 (7) | |
C9 | 0.1992 (2) | 0.5532 (3) | 0.2722 (2) | 0.0534 (9) | |
H9 | 0.2283 | 0.5060 | 0.3191 | 0.064* | |
C10 | 0.0930 (3) | 0.6207 (3) | 0.1660 (2) | 0.0586 (10) | |
H10 | 0.0335 | 0.6304 | 0.1236 | 0.070* | |
C11 | 0.1815 (3) | 0.6928 (4) | 0.1766 (2) | 0.0699 (11) | |
H11 | 0.1939 | 0.7602 | 0.1437 | 0.084* | |
Atomic displacement parameters (Å2) top | U11 | U22 | U33 | U12 | U13 | U23 |
C1 | 0.0439 (19) | 0.0382 (18) | 0.0339 (16) | 0.0014 (14) | 0.0076 (14) | 0.0093 (14) |
N1 | 0.0313 (14) | 0.0370 (14) | 0.0487 (16) | −0.0043 (11) | 0.0066 (12) | −0.0007 (12) |
Ni1 | 0.0233 (3) | 0.0304 (3) | 0.0417 (3) | 0.000 | −0.0010 (2) | 0.000 |
O1 | 0.0325 (11) | 0.0430 (12) | 0.0454 (12) | −0.0088 (9) | −0.0050 (10) | 0.0045 (10) |
C2 | 0.055 (2) | 0.0348 (18) | 0.0385 (17) | −0.0029 (14) | 0.0013 (16) | −0.0036 (13) |
N2 | 0.0370 (16) | 0.0630 (19) | 0.0620 (19) | −0.0242 (14) | 0.0077 (14) | −0.0082 (15) |
O2 | 0.0316 (11) | 0.0438 (12) | 0.0458 (12) | −0.0053 (10) | −0.0060 (10) | −0.0007 (10) |
C3 | 0.0437 (19) | 0.0416 (18) | 0.0447 (18) | 0.0013 (15) | −0.0042 (15) | −0.0026 (15) |
O3 | 0.0543 (15) | 0.0611 (16) | 0.0821 (19) | 0.0126 (13) | −0.0195 (14) | −0.0175 (14) |
C4 | 0.054 (2) | 0.0443 (19) | 0.053 (2) | 0.0052 (16) | 0.0004 (18) | −0.0078 (16) |
C5 | 0.062 (2) | 0.050 (2) | 0.054 (2) | −0.0066 (17) | 0.0004 (18) | −0.0176 (16) |
C6 | 0.0437 (19) | 0.056 (2) | 0.047 (2) | −0.0042 (16) | −0.0015 (16) | −0.0030 (17) |
C7 | 0.053 (2) | 0.050 (2) | 0.0401 (18) | 0.0095 (16) | 0.0090 (16) | 0.0049 (15) |
C8 | 0.0316 (17) | 0.0367 (17) | 0.0404 (17) | 0.0035 (13) | 0.0023 (14) | −0.0021 (13) |
C9 | 0.0348 (18) | 0.054 (2) | 0.066 (2) | −0.0085 (16) | −0.0027 (17) | 0.0087 (18) |
C10 | 0.054 (2) | 0.069 (3) | 0.046 (2) | −0.0209 (18) | −0.0041 (17) | 0.0133 (18) |
C11 | 0.080 (3) | 0.070 (3) | 0.057 (2) | −0.036 (2) | 0.006 (2) | 0.010 (2) |
Geometric parameters (Å, º) top C1—C6 | 1.385 (4) | O2—C8 | 1.267 (3) |
C1—C2 | 1.389 (4) | C3—O3 | 1.360 (3) |
C1—C7 | 1.513 (4) | C3—C4 | 1.380 (4) |
N1—C9 | 1.315 (4) | O3—H3 | 0.8200 |
N1—C10 | 1.340 (4) | C4—C5 | 1.378 (4) |
Ni1—N1 | 2.004 (2) | C4—H4 | 0.9300 |
Ni1—N1i | 2.004 (2) | C5—C6 | 1.376 (4) |
Ni1—O2i | 2.1128 (19) | C5—H5 | 0.9300 |
Ni1—O2 | 2.1128 (19) | C6—H6 | 0.9300 |
Ni1—O1i | 2.1404 (18) | C7—C8 | 1.505 (4) |
Ni1—O1 | 2.1404 (18) | C7—H7A | 0.9700 |
O1—C8 | 1.250 (3) | C7—H7B | 0.9700 |
C2—C3 | 1.381 (4) | C9—H9 | 0.9300 |
C2—H2 | 0.9300 | C10—C11 | 1.356 (4) |
N2—C9 | 1.313 (4) | C10—H10 | 0.9300 |
N2—C11 | 1.343 (4) | C11—H11 | 0.9300 |
N2—H2A | 0.8600 | | |
| | | |
C6—C1—C2 | 118.5 (3) | C11—N2—H2A | 126.5 |
C6—C1—C7 | 121.0 (3) | C8—O2—Ni1 | 90.11 (16) |
C2—C1—C7 | 120.5 (3) | O3—C3—C2 | 123.0 (3) |
C9—N1—C10 | 105.1 (3) | O3—C3—C4 | 117.2 (3) |
C9—N1—Ni1 | 125.3 (2) | C2—C3—C4 | 119.8 (3) |
C10—N1—Ni1 | 129.4 (2) | C3—O3—H3 | 109.5 |
N1—Ni1—N1i | 94.31 (13) | C5—C4—C3 | 119.3 (3) |
N1—Ni1—O2i | 100.22 (9) | C5—C4—H4 | 120.4 |
N1i—Ni1—O2i | 97.65 (9) | C3—C4—H4 | 120.4 |
N1—Ni1—O2 | 97.65 (9) | C6—C5—C4 | 121.1 (3) |
N1i—Ni1—O2 | 100.22 (9) | C6—C5—H5 | 119.4 |
O2i—Ni1—O2 | 153.60 (11) | C4—C5—H5 | 119.4 |
N1—Ni1—O1i | 93.78 (8) | C5—C6—C1 | 120.2 (3) |
N1i—Ni1—O1i | 158.58 (9) | C5—C6—H6 | 119.9 |
O2i—Ni1—O1i | 61.36 (7) | C1—C6—H6 | 119.9 |
O2—Ni1—O1i | 98.31 (8) | C8—C7—C1 | 110.3 (2) |
N1—Ni1—O1 | 158.58 (9) | C8—C7—H7A | 109.6 |
N1i—Ni1—O1 | 93.78 (8) | C1—C7—H7A | 109.6 |
O2i—Ni1—O1 | 98.31 (8) | C8—C7—H7B | 109.6 |
O2—Ni1—O1 | 61.36 (7) | C1—C7—H7B | 109.6 |
O1i—Ni1—O1 | 85.73 (10) | H7A—C7—H7B | 108.1 |
N1—Ni1—C8i | 98.66 (9) | O1—C8—O2 | 119.2 (3) |
N1i—Ni1—C8i | 128.39 (10) | O1—C8—C7 | 120.5 (3) |
O2i—Ni1—C8i | 30.92 (8) | O2—C8—C7 | 120.2 (3) |
O2—Ni1—C8i | 126.79 (9) | N2—C9—N1 | 112.0 (3) |
O1i—Ni1—C8i | 30.45 (8) | N2—C9—H9 | 124.0 |
O1—Ni1—C8i | 91.74 (8) | N1—C9—H9 | 124.0 |
C8—O1—Ni1 | 89.31 (17) | N1—C10—C11 | 109.5 (3) |
C3—C2—C1 | 121.2 (3) | N1—C10—H10 | 125.2 |
C3—C2—H2 | 119.4 | C11—C10—H10 | 125.2 |
C1—C2—H2 | 119.4 | N2—C11—C10 | 106.2 (3) |
C9—N2—C11 | 107.1 (3) | N2—C11—H11 | 126.9 |
C9—N2—H2A | 126.5 | C10—C11—H11 | 126.9 |
Symmetry code: (i) −x, y, −z+1/2. |
Hydrogen-bond geometry (Å, º) top D—H···A | D—H | H···A | D···A | D—H···A |
N2—H2A···O1ii | 0.86 | 1.88 | 2.734 (3) | 171 |
O3—H3···O2iii | 0.82 | 1.96 | 2.763 (3) | 168 |
Symmetry codes: (ii) x+1/2, y+1/2, z; (iii) −x+1/2, −y+1/2, −z+1. |
Experimental details
Crystal data |
Chemical formula | [Ni(C8H7O3)2(C3H4N2)2] |
Mr | 497.15 |
Crystal system, space group | Monoclinic, C2/c |
Temperature (K) | 296 |
a, b, c (Å) | 12.8481 (14), 10.6829 (12), 16.3051 (19) |
β (°) | 101.410 (1) |
V (Å3) | 2193.7 (4) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.93 |
Crystal size (mm) | 0.32 × 0.27 × 0.24 |
|
Data collection |
Diffractometer | Bruker APEXII CCD diffractometer |
Absorption correction | Multi-scan (SADABS; Sheldrick, 1996) |
Tmin, Tmax | 0.762, 0.811 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 5522, 1960, 1509 |
Rint | 0.045 |
(sin θ/λ)max (Å−1) | 0.599 |
|
Refinement |
R[F2 > 2σ(F2)], wR(F2), S | 0.039, 0.094, 1.01 |
No. of reflections | 1960 |
No. of parameters | 151 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.29, −0.25 |
Selected bond lengths (Å) topNi1—N1 | 2.004 (2) | Ni1—O1 | 2.1404 (18) |
Ni1—O2 | 2.1128 (19) | | |
Hydrogen-bond geometry (Å, º) top D—H···A | D—H | H···A | D···A | D—H···A |
N2—H2A···O1i | 0.86 | 1.88 | 2.734 (3) | 171 |
O3—H3···O2ii | 0.82 | 1.96 | 2.763 (3) | 168 |
Symmetry codes: (i) x+1/2, y+1/2, z; (ii) −x+1/2, −y+1/2, −z+1. |
Acknowledgements
The authors acknowledge Bijie University for kindly supporting this work (20072016).
References
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The use of multifunctional organic linker molecules in the preparation of coordination polymers and open-framework materials has led to the development of a rich field of chemistry, owing to the potential applications of these materials in catalysis, separation, gas storage and molecular recognition (James, 2003; Serre et al., 2004; Yaghi et al., 1998, 2003). 3-Hydroxyphenylacetic acid has a versatile binding ability. Structures of the complexes with 3-hydroxyphenylacetate have not been reported to date. We obtained a new NiII complex from the reaction of 3-hydroxyphenylacetic acid, imidazole and NiCl2 in an alkaline aqueous solution.
As illustrated in Fig. 1, the NiII atom, lying on a twofold rotation axis, has a distorted octahedral environment, defined by four carboxylate O atoms from two bidentate 3-hydroxyphenylacetate ligands and two N atoms from two imidazole molecules. Intermolecular O—H···O and N—H···O hydrogen bonds form a three-dimensional network, which is further consolidated by π–π stacking interactions between the imidazole and phenyl rings of neighboring complexes, with a centroid–centroid distance of 3.856 (2) Å.