metal-organic compounds
4-(4-Pyridyl)pyridinium pentaaqua(pyridazine-4,5-dicarboxylato)praseodymate(III)
aSchool of Pharmacy, Nanjing Medical University, Nanjing, People's Republic of China, and bThe Scientific and Technological Information Research Department of Jiangsu, Nanjing, People's Republic of China
*Correspondence e-mail: huijun_jiang@263.net
In the title complex, (C10H9N2)[Pr(C6H2N2O4)2(H2O)5], the Pr atom is nine-coordinated by nine O atoms from two pyridazine-4,5-dicarboxylate anions and five water molecules. It is noteworthy that there is a protonated bipyridine molecule in the structure. Intermolecular O—H⋯O, O—H⋯N and N—H⋯N hydrogen bonds are present, resulting in a three-dimensional network.
Related literature
For general background to metal carboxylate coordination compounds, see: Escuer et al. (1997). For pyridazine dicarboxylic metal complexes, see: Gryz et al. (2006). For bond-length data, see: Allen et al. (1987).
Experimental
Crystal data
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Data collection: CrystalClear (Rigaku, 1999); cell CrystalClear; data reduction: CrystalStructure (Rigaku, 1999); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEPIII (Burnett & Johnson, 1996); software used to prepare material for publication: CrystalStructure.
Supporting information
10.1107/S1600536810033477/bq2230sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536810033477/bq2230Isup2.hkl
A mixture of pyridazine-4,5-dicarboxylic acid (84 mg, 0.5 mmol), NaOH (40 mg, 1.0 mmol), PrCl3.6H2O (177.7 mg, 0.5 mmol) and 4,4'-bipyridine (78 mg, 0.5 mmol) in warer (10 ml) was placed in a Teflon-lined stainless steel Parr bomb. The bomb was heated at 433 K for 4 d. The bomb was cooled naturally to room temperature, and yellow block crystals of (I) were obtained after several days. Analysis calculated for C22H23N6O13Pr: C 36.68, H 3.22, N 11.67%; found: C 36.64, H 3.30, N 11.62%.
Carbon and nitrogen bound H atoms were placed at calculated positions and were treated as riding on the parent C or N atoms with C–H = 0.93 Å, N—H =0.905 Å, and with Uiso(H) = 1.2 Ueq(C, N).The H atoms of water molecules were located in difference Fouier maps, their bond lengths were set to 0.82 Å and afterwards they were refined using a riding model.
Data collection: CrystalClear (Rigaku, 1999); cell
CrystalClear (Rigaku, 1999); data reduction: CrystalStructure (Rigaku, 1999); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEPIII (Burnett & Johnson, 1996); software used to prepare material for publication: CrystalStructure (Rigaku, 1999).Fig. 1. Crystal structure and atom numbering of the title compound, shown with 20% probability displacement ellipsoids. Symmetry code for atoms labelled with A: 1-x, 1-y, z. | |
Fig. 2. The packing digram of the title compound. |
(C10H9N2)[Pr(C6H2N2O4)2(H2O)5] | F(000) = 720 |
Mr = 720.37 | Dx = 1.856 Mg m−3 |
Orthorhombic, P21212 | Mo Kα radiation, λ = 0.71070 Å |
Hall symbol: P 2 2ab | Cell parameters from 5385 reflections |
a = 11.2726 (17) Å | θ = 3.3–25.3° |
b = 12.0023 (18) Å | µ = 1.97 mm−1 |
c = 9.5266 (14) Å | T = 293 K |
V = 1288.9 (3) Å3 | Block, yellow |
Z = 2 | 0.40 × 0.30 × 0.22 mm |
Rigaku Mercury diffractometer | 2358 independent reflections |
Radiation source: fine-focus sealed tube | 2280 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.030 |
Detector resolution: 7.31 pixels mm-1 | θmax = 25.3°, θmin = 3.3° |
ω scans | h = −13→13 |
Absorption correction: multi-scan (REQAB; Jacobson, 1998) | k = −14→13 |
Tmin = 0.454, Tmax = 0.649 | l = −11→10 |
12497 measured reflections |
Refinement on F2 | Secondary atom site location: difference Fourier map |
Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
R[F2 > 2σ(F2)] = 0.023 | H atoms treated by a mixture of independent and constrained refinement |
wR(F2) = 0.052 | w = 1/[σ2(Fo2) + (0.0271P)2 + 0.6051P] where P = (Fo2 + 2Fc2)/3 |
S = 1.09 | (Δ/σ)max = 0.001 |
2358 reflections | Δρmax = 1.25 e Å−3 |
216 parameters | Δρmin = −0.43 e Å−3 |
6 restraints | Absolute structure: Flack (1983), 981 Friedel pairs |
Primary atom site location: structure-invariant direct methods | Absolute structure parameter: −0.014 (18) |
(C10H9N2)[Pr(C6H2N2O4)2(H2O)5] | V = 1288.9 (3) Å3 |
Mr = 720.37 | Z = 2 |
Orthorhombic, P21212 | Mo Kα radiation |
a = 11.2726 (17) Å | µ = 1.97 mm−1 |
b = 12.0023 (18) Å | T = 293 K |
c = 9.5266 (14) Å | 0.40 × 0.30 × 0.22 mm |
Rigaku Mercury diffractometer | 2358 independent reflections |
Absorption correction: multi-scan (REQAB; Jacobson, 1998) | 2280 reflections with I > 2σ(I) |
Tmin = 0.454, Tmax = 0.649 | Rint = 0.030 |
12497 measured reflections |
R[F2 > 2σ(F2)] = 0.023 | H atoms treated by a mixture of independent and constrained refinement |
wR(F2) = 0.052 | Δρmax = 1.25 e Å−3 |
S = 1.09 | Δρmin = −0.43 e Å−3 |
2358 reflections | Absolute structure: Flack (1983), 981 Friedel pairs |
216 parameters | Absolute structure parameter: −0.014 (18) |
6 restraints |
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 | ||
Pr1 | 0.5000 | 0.5000 | 0.89791 (2) | 0.01750 (8) | |
O1 | 0.4932 (4) | 0.32723 (19) | 0.7261 (2) | 0.0323 (6) | |
O2 | 0.6434 (3) | 0.4430 (2) | 0.7086 (3) | 0.0351 (7) | |
O3 | 0.7353 (3) | 0.2019 (3) | 0.8030 (3) | 0.0471 (8) | |
O4 | 0.8272 (3) | 0.0738 (3) | 0.6792 (3) | 0.0552 (10) | |
O5 | 0.6242 (4) | 0.3454 (3) | 0.9953 (3) | 0.0490 (10) | |
H5A | 0.651 (4) | 0.303 (3) | 0.936 (4) | 0.049 (15)* | |
H5B | 0.629 (5) | 0.322 (5) | 1.076 (2) | 0.070 (19)* | |
O6 | 0.6757 (3) | 0.6135 (3) | 0.9524 (3) | 0.0405 (8) | |
H6A | 0.708 (7) | 0.643 (7) | 0.885 (5) | 0.14 (3)* | |
H6B | 0.701 (6) | 0.640 (5) | 1.026 (4) | 0.09 (2)* | |
O7 | 0.5000 | 0.5000 | 1.1547 (3) | 0.0276 (7) | |
H7A | 0.558 (3) | 0.522 (4) | 1.198 (4) | 0.059 (16)* | |
N1 | 0.7159 (3) | 0.1957 (3) | 0.3012 (3) | 0.0281 (7) | |
N2 | 0.6400 (3) | 0.2828 (3) | 0.2946 (3) | 0.0298 (7) | |
N3 | 1.0000 | 0.5000 | 0.3965 (5) | 0.0465 (11) | |
H3A | 1.0000 | 0.5000 | 0.3016 (12) | 0.042 (14)* | |
N4 | 1.0000 | 0.5000 | 1.1284 (5) | 0.0510 (12) | |
C1 | 0.6374 (3) | 0.2932 (3) | 0.5471 (4) | 0.0216 (8) | |
C2 | 0.7136 (3) | 0.2042 (3) | 0.5549 (4) | 0.0207 (8) | |
C3 | 0.7492 (3) | 0.1586 (3) | 0.4262 (4) | 0.0258 (8) | |
H3B | 0.8002 | 0.0977 | 0.4287 | 0.031* | |
C4 | 0.6030 (4) | 0.3280 (3) | 0.4125 (4) | 0.0291 (9) | |
H4 | 0.5502 | 0.3873 | 0.4062 | 0.035* | |
C5 | 0.5883 (3) | 0.3579 (3) | 0.6721 (4) | 0.0233 (8) | |
C6 | 0.7630 (3) | 0.1562 (3) | 0.6912 (4) | 0.0257 (8) | |
C7 | 0.9297 (4) | 0.4314 (4) | 0.4686 (6) | 0.0479 (12) | |
H7B | 0.8806 | 0.3830 | 0.4193 | 0.058* | |
C8 | 0.9268 (4) | 0.4292 (4) | 0.6114 (5) | 0.0458 (11) | |
H8 | 0.8763 | 0.3807 | 0.6584 | 0.055* | |
C9 | 1.0000 | 0.5000 | 0.6851 (6) | 0.0367 (11) | |
C10 | 0.9720 (8) | 0.4083 (5) | 1.0594 (6) | 0.081 (3) | |
H10 | 0.9534 | 0.3437 | 1.1088 | 0.097* | |
C11 | 0.9700 (7) | 0.4073 (5) | 0.9169 (5) | 0.073 (2) | |
H11 | 0.9480 | 0.3427 | 0.8698 | 0.087* | |
C12 | 1.0000 | 0.5000 | 0.8421 (5) | 0.0373 (11) |
U11 | U22 | U33 | U12 | U13 | U23 | |
Pr1 | 0.02098 (13) | 0.01818 (12) | 0.01336 (12) | 0.0006 (2) | 0.000 | 0.000 |
O1 | 0.0269 (14) | 0.0402 (13) | 0.0298 (12) | −0.001 (2) | 0.010 (2) | −0.0098 (10) |
O2 | 0.0478 (18) | 0.0265 (13) | 0.0310 (16) | −0.0096 (13) | 0.0152 (13) | −0.0092 (12) |
O3 | 0.072 (2) | 0.0531 (19) | 0.0159 (14) | 0.0347 (16) | −0.0059 (15) | −0.0025 (14) |
O4 | 0.077 (2) | 0.059 (2) | 0.0293 (17) | 0.0450 (19) | −0.0121 (17) | −0.0020 (16) |
O5 | 0.079 (3) | 0.049 (2) | 0.0189 (18) | 0.0398 (19) | −0.0008 (17) | −0.0046 (16) |
O6 | 0.042 (2) | 0.058 (2) | 0.0207 (16) | −0.0254 (17) | −0.0008 (15) | 0.0003 (16) |
O7 | 0.0284 (18) | 0.0378 (18) | 0.0167 (15) | −0.003 (4) | 0.000 | 0.000 |
N1 | 0.0346 (19) | 0.0321 (18) | 0.0176 (16) | 0.0084 (14) | 0.0010 (14) | −0.0026 (14) |
N2 | 0.042 (2) | 0.0306 (17) | 0.0165 (16) | 0.0100 (16) | −0.0005 (15) | −0.0023 (14) |
N3 | 0.053 (3) | 0.049 (3) | 0.038 (3) | 0.007 (6) | 0.000 | 0.000 |
N4 | 0.061 (3) | 0.051 (3) | 0.041 (3) | 0.015 (8) | 0.000 | 0.000 |
C1 | 0.026 (2) | 0.0207 (19) | 0.0184 (18) | −0.0002 (15) | −0.0018 (15) | −0.0006 (15) |
C2 | 0.0216 (19) | 0.0222 (19) | 0.0183 (18) | −0.0001 (15) | −0.0010 (14) | −0.0017 (15) |
C3 | 0.029 (2) | 0.027 (2) | 0.022 (2) | 0.0063 (17) | 0.0017 (15) | −0.0021 (16) |
C4 | 0.040 (2) | 0.025 (2) | 0.022 (2) | 0.0088 (17) | 0.0001 (17) | −0.0015 (16) |
C5 | 0.027 (2) | 0.026 (2) | 0.0165 (18) | 0.0067 (16) | −0.0017 (15) | 0.0037 (16) |
C6 | 0.032 (2) | 0.026 (2) | 0.0188 (19) | 0.0056 (17) | −0.0008 (16) | 0.0028 (17) |
C7 | 0.042 (3) | 0.043 (3) | 0.058 (3) | −0.009 (2) | −0.005 (2) | 0.002 (2) |
C8 | 0.045 (3) | 0.048 (3) | 0.044 (3) | −0.011 (2) | 0.000 (2) | −0.003 (2) |
C9 | 0.032 (3) | 0.031 (2) | 0.048 (3) | −0.008 (7) | 0.000 | 0.000 |
C10 | 0.143 (9) | 0.050 (3) | 0.048 (3) | −0.022 (4) | 0.007 (4) | 0.003 (2) |
C11 | 0.118 (8) | 0.056 (3) | 0.044 (3) | −0.028 (4) | 0.001 (3) | −0.001 (2) |
C12 | 0.034 (3) | 0.033 (3) | 0.045 (3) | 0.001 (7) | 0.000 | 0.000 |
Pr1—O7 | 2.446 (3) | N3—C7ii | 1.333 (5) |
Pr1—O6 | 2.459 (3) | N3—C7 | 1.333 (5) |
Pr1—O6i | 2.459 (3) | N3—H3A | 0.905 (10) |
Pr1—O5 | 2.503 (3) | N4—C10 | 1.321 (6) |
Pr1—O5i | 2.503 (3) | N4—C10ii | 1.321 (6) |
Pr1—O2i | 2.516 (3) | C1—C2 | 1.373 (5) |
Pr1—O2 | 2.516 (3) | C1—C4 | 1.403 (5) |
Pr1—O1 | 2.643 (2) | C1—C5 | 1.525 (5) |
Pr1—O1i | 2.643 (2) | C2—C3 | 1.401 (5) |
Pr1—C5 | 2.921 (4) | C2—C6 | 1.526 (5) |
Pr1—C5i | 2.921 (4) | C3—H3B | 0.9300 |
O1—C5 | 1.245 (5) | C4—H4 | 0.9300 |
O2—C5 | 1.246 (4) | C7—C8 | 1.361 (7) |
O3—C6 | 1.238 (5) | C7—H7B | 0.9300 |
O4—C6 | 1.231 (4) | C8—C9 | 1.377 (5) |
O5—H5A | 0.82 (4) | C8—H8 | 0.9300 |
O5—H5B | 0.82 (3) | C9—C8ii | 1.377 (5) |
O6—H6A | 0.82 (7) | C9—C12 | 1.496 (7) |
O6—H6B | 0.82 (5) | C10—C11 | 1.357 (7) |
O7—H7A | 0.82 (4) | C10—H10 | 0.9300 |
N1—C3 | 1.326 (5) | C11—C12 | 1.363 (6) |
N1—N2 | 1.354 (4) | C11—H11 | 0.9300 |
N2—C4 | 1.315 (5) | C12—C11ii | 1.363 (6) |
O7—Pr1—O6 | 77.81 (8) | C5—O1—Pr1 | 90.0 (2) |
O7—Pr1—O6i | 77.81 (8) | C5—O2—Pr1 | 95.9 (2) |
O6—Pr1—O6i | 155.63 (15) | Pr1—O5—H5A | 115 (4) |
O7—Pr1—O5 | 68.24 (7) | Pr1—O5—H5B | 130 (4) |
O6—Pr1—O5 | 83.23 (14) | H5A—O5—H5B | 114 (5) |
O6i—Pr1—O5 | 87.78 (16) | Pr1—O6—H6A | 115 (6) |
O7—Pr1—O5i | 68.24 (7) | Pr1—O6—H6B | 132 (5) |
O6—Pr1—O5i | 87.78 (16) | H6A—O6—H6B | 111 (7) |
O6i—Pr1—O5i | 83.23 (14) | Pr1—O7—H7A | 120 (3) |
O5—Pr1—O5i | 136.47 (14) | C3—N1—N2 | 118.7 (3) |
O7—Pr1—O2i | 135.77 (7) | C4—N2—N1 | 118.6 (3) |
O6—Pr1—O2i | 121.20 (10) | C7ii—N3—C7 | 118.0 (6) |
O6i—Pr1—O2i | 77.56 (11) | C7ii—N3—H3A | 121.0 (3) |
O5—Pr1—O2i | 145.74 (10) | C7—N3—H3A | 121.0 (3) |
O5i—Pr1—O2i | 72.84 (10) | C10—N4—C10ii | 120.3 (6) |
O7—Pr1—O2 | 135.77 (7) | C2—C1—C4 | 117.0 (3) |
O6—Pr1—O2 | 77.56 (11) | C2—C1—C5 | 125.5 (3) |
O6i—Pr1—O2 | 121.20 (10) | C4—C1—C5 | 117.5 (3) |
O5—Pr1—O2 | 72.84 (10) | C1—C2—C3 | 115.8 (3) |
O5i—Pr1—O2 | 145.74 (10) | C1—C2—C6 | 124.7 (3) |
O2i—Pr1—O2 | 88.45 (14) | C3—C2—C6 | 119.5 (3) |
O7—Pr1—O1 | 128.27 (5) | N1—C3—C2 | 125.0 (3) |
O6—Pr1—O1 | 126.08 (14) | N1—C3—H3B | 117.5 |
O6i—Pr1—O1 | 70.89 (12) | C2—C3—H3B | 117.5 |
O5—Pr1—O1 | 70.39 (11) | N2—C4—C1 | 124.8 (3) |
O5i—Pr1—O1 | 142.66 (14) | N2—C4—H4 | 117.6 |
O2i—Pr1—O1 | 75.56 (10) | C1—C4—H4 | 117.6 |
O2—Pr1—O1 | 50.33 (10) | O2—C5—O1 | 123.8 (3) |
O7—Pr1—O1i | 128.27 (5) | O2—C5—C1 | 117.1 (3) |
O6—Pr1—O1i | 70.89 (12) | O1—C5—C1 | 119.0 (3) |
O6i—Pr1—O1i | 126.08 (14) | O2—C5—Pr1 | 58.96 (19) |
O5—Pr1—O1i | 142.66 (14) | O1—C5—Pr1 | 64.81 (18) |
O5i—Pr1—O1i | 70.39 (11) | C1—C5—Pr1 | 174.8 (3) |
O2i—Pr1—O1i | 50.33 (10) | O4—C6—O3 | 125.7 (4) |
O2—Pr1—O1i | 75.56 (10) | O4—C6—C2 | 116.0 (3) |
O1—Pr1—O1i | 103.45 (10) | O3—C6—C2 | 118.2 (3) |
O7—Pr1—C5 | 137.44 (7) | N3—C7—C8 | 122.8 (5) |
O6—Pr1—C5 | 101.81 (12) | N3—C7—H7B | 118.6 |
O6i—Pr1—C5 | 96.11 (11) | C8—C7—H7B | 118.6 |
O5—Pr1—C5 | 69.47 (9) | C7—C8—C9 | 118.9 (5) |
O5i—Pr1—C5 | 153.75 (10) | C7—C8—H8 | 120.5 |
O2i—Pr1—C5 | 81.37 (9) | C9—C8—H8 | 120.5 |
O2—Pr1—C5 | 25.10 (9) | C8—C9—C8ii | 118.7 (6) |
O1—Pr1—C5 | 25.24 (11) | C8—C9—C12 | 120.7 (3) |
O1i—Pr1—C5 | 89.54 (9) | C8ii—C9—C12 | 120.7 (3) |
O7—Pr1—C5i | 137.44 (7) | N4—C10—C11 | 120.5 (6) |
O6—Pr1—C5i | 96.11 (11) | N4—C10—H10 | 119.7 |
O6i—Pr1—C5i | 101.81 (12) | C11—C10—H10 | 119.7 |
O5—Pr1—C5i | 153.75 (10) | C10—C11—C12 | 120.8 (5) |
O5i—Pr1—C5i | 69.47 (9) | C10—C11—H11 | 119.6 |
O2i—Pr1—C5i | 25.10 (9) | C12—C11—H11 | 119.6 |
O2—Pr1—C5i | 81.37 (9) | C11—C12—C11ii | 117.0 (6) |
O1—Pr1—C5i | 89.54 (9) | C11—C12—C9 | 121.5 (3) |
O1i—Pr1—C5i | 25.24 (11) | C11ii—C12—C9 | 121.5 (3) |
C5—Pr1—C5i | 85.11 (13) | ||
O7—Pr1—O1—C5 | −121.79 (19) | C4—C1—C5—O1 | 90.2 (4) |
O6—Pr1—O1—C5 | −17.8 (3) | O7—Pr1—C5—O2 | −99.9 (2) |
O6i—Pr1—O1—C5 | −177.9 (3) | O6—Pr1—C5—O2 | −15.2 (2) |
O5—Pr1—O1—C5 | −83.3 (2) | O6i—Pr1—C5—O2 | −178.6 (2) |
O5i—Pr1—O1—C5 | 133.4 (3) | O5—Pr1—C5—O2 | −93.2 (3) |
O2i—Pr1—O1—C5 | 100.5 (2) | O5i—Pr1—C5—O2 | 94.4 (4) |
O2—Pr1—O1—C5 | 0.3 (2) | O2i—Pr1—C5—O2 | 105.1 (2) |
O1i—Pr1—O1—C5 | 58.21 (19) | O1—Pr1—C5—O2 | 179.4 (4) |
C5i—Pr1—O1—C5 | 79.5 (3) | O1i—Pr1—C5—O2 | 55.2 (2) |
O7—Pr1—O2—C5 | 107.2 (2) | C5i—Pr1—C5—O2 | 80.1 (2) |
O6—Pr1—O2—C5 | 164.8 (2) | O7—Pr1—C5—O1 | 80.6 (2) |
O6i—Pr1—O2—C5 | 1.7 (3) | O6—Pr1—C5—O1 | 165.4 (2) |
O5—Pr1—O2—C5 | 78.1 (2) | O6i—Pr1—C5—O1 | 2.0 (2) |
O5i—Pr1—O2—C5 | −128.4 (3) | O5—Pr1—C5—O1 | 87.3 (2) |
O2i—Pr1—O2—C5 | −72.8 (2) | O5i—Pr1—C5—O1 | −85.1 (4) |
O1—Pr1—O2—C5 | −0.3 (2) | O2i—Pr1—C5—O1 | −74.4 (2) |
O1i—Pr1—O2—C5 | −122.0 (2) | O2—Pr1—C5—O1 | −179.4 (4) |
C5i—Pr1—O2—C5 | −97.0 (2) | O1i—Pr1—C5—O1 | −124.24 (19) |
C3—N1—N2—C4 | 0.6 (5) | C5i—Pr1—C5—O1 | −99.4 (2) |
C4—C1—C2—C3 | 0.5 (5) | C1—C2—C6—O4 | 177.7 (4) |
C5—C1—C2—C3 | −178.8 (3) | C3—C2—C6—O4 | −4.3 (6) |
C4—C1—C2—C6 | 178.6 (4) | C1—C2—C6—O3 | −1.9 (6) |
C5—C1—C2—C6 | −0.8 (6) | C3—C2—C6—O3 | 176.0 (4) |
N2—N1—C3—C2 | −1.3 (6) | C7ii—N3—C7—C8 | 0.3 (4) |
C1—C2—C3—N1 | 0.7 (6) | N3—C7—C8—C9 | −0.5 (7) |
C6—C2—C3—N1 | −177.5 (4) | C7—C8—C9—C8ii | 0.2 (4) |
N1—N2—C4—C1 | 0.7 (6) | C7—C8—C9—C12 | −179.8 (4) |
C2—C1—C4—N2 | −1.2 (6) | C10ii—N4—C10—C11 | −0.9 (6) |
C5—C1—C4—N2 | 178.2 (4) | N4—C10—C11—C12 | 1.8 (13) |
Pr1—O2—C5—O1 | 0.6 (4) | C10—C11—C12—C11ii | −0.9 (6) |
Pr1—O2—C5—C1 | 176.2 (3) | C10—C11—C12—C9 | 179.1 (6) |
Pr1—O1—C5—O2 | −0.6 (4) | C8—C9—C12—C11 | 27.2 (4) |
Pr1—O1—C5—C1 | −176.1 (3) | C8ii—C9—C12—C11 | −152.8 (4) |
C2—C1—C5—O2 | 93.8 (5) | C8—C9—C12—C11ii | −152.8 (4) |
C4—C1—C5—O2 | −85.6 (4) | C8ii—C9—C12—C11ii | 27.2 (4) |
C2—C1—C5—O1 | −90.4 (5) |
Symmetry codes: (i) −x+1, −y+1, z; (ii) −x+2, −y+1, z. |
D—H···A | D—H | H···A | D···A | D—H···A |
O7—H7A···O4iii | 0.82 (4) | 1.85 (4) | 2.662 (3) | 171 (5) |
O6—H6B···O3iii | 0.82 (5) | 1.93 (5) | 2.749 (4) | 178 (7) |
O6—H6A···N1iv | 0.82 (7) | 2.07 (6) | 2.881 (5) | 172 (8) |
O5—H5B···N2v | 0.82 (3) | 2.14 (4) | 2.953 (4) | 172 (6) |
O5—H5A···O3 | 0.82 (4) | 2.00 (4) | 2.809 (4) | 173 (5) |
N3—H3A···N4vi | 0.91 (1) | 1.65 (1) | 2.555 (6) | 180 |
Symmetry codes: (iii) −x+3/2, y+1/2, −z+2; (iv) −x+3/2, y+1/2, −z+1; (v) x, y, z+1; (vi) x, y, z−1. |
Experimental details
Crystal data | |
Chemical formula | (C10H9N2)[Pr(C6H2N2O4)2(H2O)5] |
Mr | 720.37 |
Crystal system, space group | Orthorhombic, P21212 |
Temperature (K) | 293 |
a, b, c (Å) | 11.2726 (17), 12.0023 (18), 9.5266 (14) |
V (Å3) | 1288.9 (3) |
Z | 2 |
Radiation type | Mo Kα |
µ (mm−1) | 1.97 |
Crystal size (mm) | 0.40 × 0.30 × 0.22 |
Data collection | |
Diffractometer | Rigaku Mercury diffractometer |
Absorption correction | Multi-scan (REQAB; Jacobson, 1998) |
Tmin, Tmax | 0.454, 0.649 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 12497, 2358, 2280 |
Rint | 0.030 |
(sin θ/λ)max (Å−1) | 0.602 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.023, 0.052, 1.09 |
No. of reflections | 2358 |
No. of parameters | 216 |
No. of restraints | 6 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 1.25, −0.43 |
Absolute structure | Flack (1983), 981 Friedel pairs |
Absolute structure parameter | −0.014 (18) |
Computer programs: CrystalClear (Rigaku, 1999), CrystalStructure (Rigaku, 1999), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), ORTEPIII (Burnett & Johnson, 1996).
D—H···A | D—H | H···A | D···A | D—H···A |
O7—H7A···O4i | 0.82 (4) | 1.85 (4) | 2.662 (3) | 171 (5) |
O6—H6B···O3i | 0.82 (5) | 1.93 (5) | 2.749 (4) | 178 (7) |
O6—H6A···N1ii | 0.82 (7) | 2.07 (6) | 2.881 (5) | 172 (8) |
O5—H5B···N2iii | 0.82 (3) | 2.14 (4) | 2.953 (4) | 172 (6) |
O5—H5A···O3 | 0.82 (4) | 2.00 (4) | 2.809 (4) | 173 (5) |
N3—H3A···N4iv | 0.91 (1) | 1.65 (1) | 2.555 (6) | 180 |
Symmetry codes: (i) −x+3/2, y+1/2, −z+2; (ii) −x+3/2, y+1/2, −z+1; (iii) x, y, z+1; (iv) x, y, z−1. |
Acknowledgements
Financial support from the Science Foundation of Nangjing Medical University (Reference: 8651) is gratefully acknowledged.
References
Allen, F. H., Kennard, O., Watson, D. G., Brammer, L., Orpen, A. G. & Taylor, R. (1987). J. Chem. Soc. Perkin Trans. 2, pp. S1–19. CrossRef Web of Science Google Scholar
Burnett, M. & Johnson, C. K. (1996). ORTEPIII. Report ORNL-6895. Oak Ridge National Laboratory, Tennessee, USA. Google Scholar
Escuer, A., Vicente, R., Mernari, B., Gueddi, A. & Pierrot, M. (1997). Inorg. Chem. 36, 2511–2516. CSD CrossRef CAS Web of Science Google Scholar
Flack, H. D. (1983). Acta Cryst. A39, 876–881. CrossRef CAS Web of Science IUCr Journals Google Scholar
Gryz, M., Starosta, W. & Leciejewicz, J. (2006). Acta Cryst. E62, m3470–m3472. Web of Science CSD CrossRef IUCr Journals Google Scholar
Jacobson, R. (1998). REQAB. Private communication to the Rigaku Corporation, Tokyo, Japan. Google Scholar
Rigaku (1999). CrystalClear and CrystalStructure. Rigaku Corporation, Tokyo, Japan. Google Scholar
Sheldrick, G. M. (2008). Acta Cryst. A64, 112–122. Web of Science CrossRef CAS IUCr Journals Google Scholar
This is an open-access article distributed under the terms of the Creative Commons Attribution (CC-BY) Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.
In the past few years, investigations on metal carboxylate coordination compounds have become of increasing interest (Escuer et al.(1997); Gryz et al. 2006). As part of our ongoing investigations in this field we report here the crystal structure of the title compound. In the crystal structure of (I) the Pr atom is coordinated by five oxygen atoms of five water molecules and four oxygen atoms from two pyridazine-4,5-dicarboxylate anions within a distorted orthorhombic coordination symmetry (Figure 1). The bond lengths (Allen et al., 1987) and angles are within normal ranges. The crystal structure contain additional bipyridine molecule that is linked to the complexes via O—H···N hydrogen bonding (Figure 2). The complexes are additionally connected by intermolecular O—H···O hydrogen bonding between the carboxyl O atoms and the water H atoms (Table 1 and Figure 2).