metal-organic compounds
Acridinium (6-carboxypyridine-2-carboxylato)(pyridine-2,6-dicarboxylato)zincate(II) pentahydrate
aDepartment of Chemistry, Islamic Azad University, Yazd Branch, Yazd, Iran, bFaculty of Chemistry, Tarbiat Moallem University, 49 Mofateh Avenue, Tehran, Iran, and cDepartment of Chemistry, Islamic Azad University, Qom Branch, Qom, Iran
*Correspondence e-mail: tabatabaee45m@yahoo.com
The reaction of Zn(NO3)2 with pyridine-2,6-dicarboxylic acid (pydcH2) and acridine (acr) in aqueous solution leads to the formation of the title compound, (C13H10N)[Zn(C7H3NO4)(C7H4NO4)]·5H2O or (acrH)[Zn(pydcH)(pydc)]·5H2O. In the title compound, the ZnII atom is coordinated by four O atoms and two N atoms from the tridentate chelating rings of (pydc)2− and (pydcH)− anions. The geometry of the resulting ZnN2O4 coordination can be described as distorted octahedral. To balance the charges, one protonated acridine (acrH)+ cation is present. In the extensive O—H⋯O and N—H⋯O hydrogen bonds involving acrH+, the complex anion and uncoordinated water molecules form a three-dimensional network.
Related literature
For related structures, see: Aghabozorg et al. (2009); Moghimi et al. (2005); Ranjbar et al. (2002); Tabatabaee et al. (2008); Aghabozorg, Attar Gharamaleki et al. (2008); Aghabozorg, Firoozi et al. (2008); Aghabozorg, Manteghi et al. (2008); Safaei-Ghomi et al. (2009); Soleimannejad et al. (2008).
Experimental
Crystal data
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Refinement
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Data collection: SMART (Bruker, 1998); cell SAINT-Plus (Bruker, 1998); data reduction: SAINT-Plus; program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL; molecular graphics: SHELXTL; software used to prepare material for publication: SHELXTL.
Supporting information
10.1107/S1600536809011106/bq2129sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536809011106/bq2129Isup2.hkl
An aqueous solution of zinc nitrate (Zn(NO3)2. 6H2O, (0.15 g, 0.5 mmol) in water (20 ml) was added to a stirring solution of (20 ml) pyridine-2,6-dicarboxylic acid (0.1 g, 0.5 mmol) and 0.25 g (1.5 mmol) acridine. The reaction mixture was stirred at 25°C for 2 h. Colorless crystals of the title compound were obtained after two weeks at room temperature.
The H(C) atoms were positioned geometrically and refined in isotropically in riding model with Uiso(H)=1.2Ueq(C). The H atoms of water molecules, OH and NH groups were located in difference Fourier synthesis and refined isotropically.
Data collection: SMART (Bruker, 1998); cell
SAINT-Plus (Bruker, 1998); data reduction: SAINT-Plus (Bruker, 1998); program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).Fig. 1. A view of (I), with the atom-numbering scheme and 50% probability displacement ellipsoids. | |
Fig. 2. Fragment of crystal packing (projection along c axis). Hydrogen bonds are shown with dashed lines. | |
Fig. 3. Representation of π-π stacking in (acrH)[Zn(pydcH)(pydc)].5H2O. |
(C13H10N)[Zn(C7H3NO4)(C7H4NO4)]·5H2O | F(000) = 1376 |
Mr = 666.89 | Dx = 1.572 Mg m−3 |
Monoclinic, P21/n | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2yn | Cell parameters from 8302 reflections |
a = 9.6083 (5) Å | θ = 2.2–29.7° |
b = 18.9681 (9) Å | µ = 0.95 mm−1 |
c = 15.5435 (8) Å | T = 120 K |
β = 96.051 (1)° | Prism, yellow |
V = 2817.0 (2) Å3 | 0.60 × 0.14 × 0.14 mm |
Z = 4 |
Bruker SMART 1000 CCD area-detector diffractometer | 7457 independent reflections |
Radiation source: normal-focus sealed tube | 5795 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.034 |
ω scans | θmax = 29.0°, θmin = 1.7° |
Absorption correction: multi-scan (SADABS; Sheldrick, 1998) | h = −13→13 |
Tmin = 0.652, Tmax = 0.879 | k = −25→25 |
26948 measured reflections | l = −21→21 |
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)] = 0.041 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.108 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.06 | w = 1/[σ2(Fo2) + (0.0451P)2 + 2.9525P] where P = (Fo2 + 2Fc2)/3 |
7457 reflections | (Δ/σ)max = 0.002 |
445 parameters | Δρmax = 0.87 e Å−3 |
0 restraints | Δρmin = −0.35 e Å−3 |
(C13H10N)[Zn(C7H3NO4)(C7H4NO4)]·5H2O | V = 2817.0 (2) Å3 |
Mr = 666.89 | Z = 4 |
Monoclinic, P21/n | Mo Kα radiation |
a = 9.6083 (5) Å | µ = 0.95 mm−1 |
b = 18.9681 (9) Å | T = 120 K |
c = 15.5435 (8) Å | 0.60 × 0.14 × 0.14 mm |
β = 96.051 (1)° |
Bruker SMART 1000 CCD area-detector diffractometer | 7457 independent reflections |
Absorption correction: multi-scan (SADABS; Sheldrick, 1998) | 5795 reflections with I > 2σ(I) |
Tmin = 0.652, Tmax = 0.879 | Rint = 0.034 |
26948 measured reflections |
R[F2 > 2σ(F2)] = 0.041 | 0 restraints |
wR(F2) = 0.108 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.06 | Δρmax = 0.87 e Å−3 |
7457 reflections | Δρmin = −0.35 e Å−3 |
445 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 | ||
Zn1 | 0.49831 (3) | 0.093889 (12) | 0.701036 (14) | 0.01975 (8) | |
O1 | 0.34045 (16) | 0.18535 (8) | 0.71906 (9) | 0.0242 (3) | |
O2 | 0.23932 (16) | 0.23960 (8) | 0.82468 (10) | 0.0231 (3) | |
H2O | 0.198 (5) | 0.261 (2) | 0.779 (3) | 0.092 (15)* | |
O3 | 0.63925 (16) | 0.01596 (8) | 0.74853 (9) | 0.0227 (3) | |
O4 | 0.73383 (16) | −0.03264 (8) | 0.87279 (10) | 0.0248 (3) | |
O5 | 0.32802 (16) | 0.02475 (8) | 0.65903 (9) | 0.0229 (3) | |
O6 | 0.20086 (16) | −0.01389 (8) | 0.53928 (10) | 0.0262 (3) | |
O7 | 0.65542 (15) | 0.17569 (8) | 0.68086 (9) | 0.0218 (3) | |
O8 | 0.74307 (17) | 0.23451 (8) | 0.57367 (10) | 0.0269 (3) | |
N1 | 0.48997 (17) | 0.10445 (8) | 0.82995 (10) | 0.0167 (3) | |
N2 | 0.48458 (17) | 0.10381 (8) | 0.57225 (10) | 0.0155 (3) | |
C1 | 0.4084 (2) | 0.15173 (10) | 0.86374 (12) | 0.0182 (4) | |
C2 | 0.4085 (2) | 0.15979 (10) | 0.95278 (13) | 0.0200 (4) | |
H2A | 0.3487 | 0.1928 | 0.9764 | 0.024* | |
C3 | 0.5000 (2) | 0.11747 (11) | 1.00590 (13) | 0.0222 (4) | |
H3A | 0.5039 | 0.1219 | 1.0670 | 0.027* | |
C4 | 0.5854 (2) | 0.06882 (11) | 0.96989 (13) | 0.0207 (4) | |
H4A | 0.6485 | 0.0401 | 1.0057 | 0.025* | |
C5 | 0.5764 (2) | 0.06307 (10) | 0.88014 (12) | 0.0168 (4) | |
C6 | 0.3236 (2) | 0.19449 (10) | 0.79562 (13) | 0.0191 (4) | |
C7 | 0.6578 (2) | 0.01088 (10) | 0.83018 (13) | 0.0193 (4) | |
C8 | 0.3880 (2) | 0.06609 (10) | 0.52419 (12) | 0.0170 (4) | |
C9 | 0.3753 (2) | 0.07039 (11) | 0.43455 (12) | 0.0198 (4) | |
H9A | 0.3063 | 0.0438 | 0.4003 | 0.024* | |
C10 | 0.4666 (2) | 0.11477 (11) | 0.39627 (13) | 0.0227 (4) | |
H10A | 0.4619 | 0.1176 | 0.3350 | 0.027* | |
C11 | 0.5645 (2) | 0.15491 (11) | 0.44730 (13) | 0.0213 (4) | |
H11A | 0.6256 | 0.1862 | 0.4219 | 0.026* | |
C12 | 0.5702 (2) | 0.14777 (10) | 0.53652 (12) | 0.0167 (4) | |
C13 | 0.2970 (2) | 0.02123 (10) | 0.57769 (13) | 0.0190 (4) | |
C14 | 0.6661 (2) | 0.18976 (10) | 0.60159 (13) | 0.0189 (4) | |
N3 | 0.76898 (19) | 0.21857 (9) | 0.84229 (12) | 0.0208 (3) | |
H3N | 0.746 (3) | 0.2148 (15) | 0.7896 (19) | 0.037 (8)* | |
C15 | 0.6925 (2) | 0.26041 (10) | 0.88993 (13) | 0.0204 (4) | |
C16 | 0.5844 (2) | 0.30294 (11) | 0.85003 (15) | 0.0255 (4) | |
H16A | 0.5673 | 0.3048 | 0.7887 | 0.031* | |
C17 | 0.5043 (3) | 0.34143 (11) | 0.90007 (16) | 0.0302 (5) | |
H17A | 0.4304 | 0.3695 | 0.8731 | 0.036* | |
C18 | 0.5291 (3) | 0.34042 (12) | 0.99176 (16) | 0.0321 (5) | |
H18A | 0.4708 | 0.3671 | 1.0253 | 0.039* | |
C19 | 0.6361 (3) | 0.30137 (13) | 1.03178 (15) | 0.0311 (5) | |
H19A | 0.6538 | 0.3021 | 1.0931 | 0.037* | |
C20 | 0.7215 (2) | 0.25951 (11) | 0.98225 (13) | 0.0238 (4) | |
C21 | 0.8285 (2) | 0.21652 (12) | 1.01903 (14) | 0.0284 (5) | |
H21A | 0.8496 | 0.2160 | 1.0801 | 0.034* | |
C22 | 0.9057 (2) | 0.17410 (11) | 0.96824 (14) | 0.0263 (4) | |
C23 | 1.0150 (3) | 0.12781 (14) | 1.00362 (18) | 0.0382 (6) | |
H23A | 1.0393 | 0.1257 | 1.0644 | 0.046* | |
C24 | 1.0833 (3) | 0.08721 (13) | 0.9503 (2) | 0.0426 (7) | |
H24A | 1.1552 | 0.0565 | 0.9743 | 0.051* | |
C25 | 1.0502 (3) | 0.08954 (12) | 0.8598 (2) | 0.0397 (6) | |
H25A | 1.1008 | 0.0606 | 0.8241 | 0.048* | |
C26 | 0.9464 (2) | 0.13276 (12) | 0.82196 (17) | 0.0309 (5) | |
H26A | 0.9245 | 0.1338 | 0.7609 | 0.037* | |
C27 | 0.8730 (2) | 0.17567 (11) | 0.87635 (14) | 0.0231 (4) | |
O1W | 0.84765 (17) | 0.32871 (9) | 0.69335 (11) | 0.0251 (3) | |
H1W1 | 0.815 (3) | 0.3033 (16) | 0.656 (2) | 0.034 (8)* | |
H2W1 | 0.813 (4) | 0.369 (2) | 0.681 (2) | 0.065 (11)* | |
O2W | 0.96559 (18) | −0.06357 (9) | 0.77630 (12) | 0.0279 (3) | |
H1W2 | 0.909 (3) | −0.0493 (17) | 0.808 (2) | 0.045 (9)* | |
H2W2 | 0.940 (3) | −0.0417 (16) | 0.729 (2) | 0.039 (8)* | |
O3W | 0.12555 (19) | 0.31700 (9) | 0.71080 (10) | 0.0262 (3) | |
H1W3 | 0.037 (4) | 0.3180 (18) | 0.708 (2) | 0.051 (9)* | |
H2W3 | 0.170 (5) | 0.356 (2) | 0.710 (3) | 0.084 (14)* | |
O4W | 0.25508 (19) | −0.05822 (9) | 0.79542 (12) | 0.0302 (4) | |
H1W4 | 0.170 (4) | −0.0602 (18) | 0.791 (2) | 0.049 (10)* | |
H2W4 | 0.268 (4) | −0.0327 (18) | 0.755 (2) | 0.050 (9)* | |
O5W | 0.0430 (2) | −0.01699 (10) | 0.37439 (12) | 0.0322 (4) | |
H1W5 | −0.029 (3) | −0.0086 (15) | 0.3945 (19) | 0.031 (7)* | |
H2W5 | 0.099 (4) | −0.016 (2) | 0.421 (3) | 0.066 (11)* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Zn1 | 0.02513 (13) | 0.02160 (13) | 0.01244 (12) | −0.00038 (9) | 0.00163 (9) | −0.00009 (8) |
O1 | 0.0300 (8) | 0.0264 (7) | 0.0162 (7) | 0.0090 (6) | 0.0017 (6) | 0.0001 (6) |
O2 | 0.0248 (8) | 0.0238 (7) | 0.0208 (7) | 0.0080 (6) | 0.0026 (6) | −0.0013 (6) |
O3 | 0.0293 (8) | 0.0239 (7) | 0.0149 (6) | 0.0062 (6) | 0.0015 (6) | −0.0021 (5) |
O4 | 0.0279 (8) | 0.0236 (7) | 0.0227 (7) | 0.0082 (6) | 0.0012 (6) | 0.0023 (6) |
O5 | 0.0251 (7) | 0.0262 (7) | 0.0172 (7) | −0.0050 (6) | 0.0018 (6) | 0.0018 (6) |
O6 | 0.0247 (8) | 0.0276 (8) | 0.0255 (8) | −0.0079 (6) | −0.0008 (6) | 0.0004 (6) |
O7 | 0.0266 (8) | 0.0233 (7) | 0.0152 (6) | −0.0052 (6) | 0.0011 (5) | −0.0005 (5) |
O8 | 0.0298 (8) | 0.0273 (8) | 0.0236 (7) | −0.0114 (6) | 0.0030 (6) | −0.0003 (6) |
N1 | 0.0194 (8) | 0.0174 (7) | 0.0132 (7) | −0.0023 (6) | 0.0014 (6) | −0.0003 (6) |
N2 | 0.0166 (8) | 0.0164 (7) | 0.0136 (7) | 0.0014 (6) | 0.0018 (6) | −0.0007 (6) |
C1 | 0.0195 (9) | 0.0177 (9) | 0.0178 (9) | −0.0024 (7) | 0.0030 (7) | −0.0010 (7) |
C2 | 0.0231 (10) | 0.0189 (9) | 0.0187 (9) | −0.0006 (7) | 0.0046 (7) | −0.0029 (7) |
C3 | 0.0281 (10) | 0.0245 (10) | 0.0146 (9) | −0.0029 (8) | 0.0050 (8) | −0.0033 (7) |
C4 | 0.0255 (10) | 0.0194 (9) | 0.0168 (9) | −0.0012 (8) | 0.0001 (7) | 0.0021 (7) |
C5 | 0.0172 (9) | 0.0153 (8) | 0.0178 (9) | −0.0021 (7) | 0.0005 (7) | −0.0008 (7) |
C6 | 0.0193 (9) | 0.0192 (9) | 0.0188 (9) | 0.0004 (7) | 0.0017 (7) | −0.0003 (7) |
C7 | 0.0205 (9) | 0.0185 (9) | 0.0190 (9) | 0.0001 (7) | 0.0020 (7) | −0.0004 (7) |
C8 | 0.0181 (9) | 0.0151 (8) | 0.0178 (9) | 0.0025 (7) | 0.0014 (7) | −0.0006 (7) |
C9 | 0.0212 (10) | 0.0210 (9) | 0.0168 (9) | −0.0002 (7) | −0.0007 (7) | −0.0027 (7) |
C10 | 0.0277 (11) | 0.0273 (10) | 0.0130 (9) | 0.0003 (8) | 0.0015 (8) | 0.0003 (7) |
C11 | 0.0247 (10) | 0.0221 (9) | 0.0176 (9) | −0.0013 (8) | 0.0045 (8) | 0.0023 (7) |
C12 | 0.0173 (9) | 0.0161 (8) | 0.0164 (8) | 0.0017 (7) | 0.0004 (7) | 0.0000 (7) |
C13 | 0.0200 (9) | 0.0170 (9) | 0.0203 (9) | 0.0007 (7) | 0.0031 (7) | 0.0007 (7) |
C14 | 0.0192 (9) | 0.0177 (9) | 0.0197 (9) | −0.0009 (7) | 0.0014 (7) | −0.0015 (7) |
N3 | 0.0238 (9) | 0.0194 (8) | 0.0183 (8) | −0.0032 (7) | −0.0024 (7) | 0.0010 (6) |
C15 | 0.0220 (10) | 0.0191 (9) | 0.0197 (9) | −0.0058 (7) | 0.0007 (7) | 0.0009 (7) |
C16 | 0.0284 (11) | 0.0206 (10) | 0.0267 (10) | −0.0008 (8) | −0.0011 (8) | 0.0020 (8) |
C17 | 0.0298 (12) | 0.0193 (10) | 0.0418 (13) | −0.0009 (8) | 0.0054 (10) | 0.0004 (9) |
C18 | 0.0361 (13) | 0.0248 (11) | 0.0375 (13) | −0.0055 (9) | 0.0132 (10) | −0.0072 (9) |
C19 | 0.0388 (13) | 0.0325 (12) | 0.0233 (10) | −0.0139 (10) | 0.0084 (9) | −0.0064 (9) |
C20 | 0.0277 (11) | 0.0225 (10) | 0.0206 (10) | −0.0095 (8) | 0.0006 (8) | 0.0002 (8) |
C21 | 0.0327 (12) | 0.0317 (11) | 0.0193 (10) | −0.0119 (9) | −0.0049 (9) | 0.0051 (8) |
C22 | 0.0240 (10) | 0.0238 (10) | 0.0289 (11) | −0.0070 (8) | −0.0081 (8) | 0.0083 (8) |
C23 | 0.0312 (13) | 0.0341 (13) | 0.0452 (14) | −0.0058 (10) | −0.0146 (11) | 0.0147 (11) |
C24 | 0.0259 (12) | 0.0279 (12) | 0.070 (2) | 0.0008 (10) | −0.0132 (12) | 0.0085 (12) |
C25 | 0.0268 (12) | 0.0219 (11) | 0.0692 (19) | −0.0018 (9) | 0.0003 (12) | −0.0086 (11) |
C26 | 0.0247 (11) | 0.0251 (11) | 0.0424 (13) | −0.0023 (9) | 0.0014 (10) | −0.0060 (9) |
C27 | 0.0213 (10) | 0.0190 (9) | 0.0280 (10) | −0.0059 (8) | −0.0028 (8) | 0.0014 (8) |
O1W | 0.0268 (8) | 0.0240 (8) | 0.0233 (8) | −0.0020 (6) | −0.0036 (6) | −0.0009 (6) |
O2W | 0.0274 (8) | 0.0299 (8) | 0.0273 (8) | 0.0023 (7) | 0.0068 (7) | −0.0007 (7) |
O3W | 0.0239 (8) | 0.0250 (8) | 0.0290 (8) | 0.0035 (6) | −0.0010 (6) | −0.0002 (6) |
O4W | 0.0274 (9) | 0.0298 (9) | 0.0341 (9) | 0.0025 (7) | 0.0064 (7) | 0.0095 (7) |
O5W | 0.0264 (9) | 0.0412 (10) | 0.0288 (9) | −0.0026 (7) | 0.0019 (7) | 0.0048 (7) |
Zn1—N2 | 2.0011 (16) | N3—C27 | 1.352 (3) |
Zn1—N1 | 2.0238 (16) | N3—C15 | 1.354 (3) |
Zn1—O3 | 2.0864 (14) | N3—H3N | 0.83 (3) |
Zn1—O5 | 2.1443 (15) | C15—C16 | 1.407 (3) |
Zn1—O7 | 2.2100 (14) | C15—C20 | 1.433 (3) |
Zn1—O1 | 2.3406 (14) | C16—C17 | 1.362 (3) |
O1—C6 | 1.230 (2) | C16—H16A | 0.9500 |
O2—C6 | 1.292 (2) | C17—C18 | 1.420 (4) |
O2—H2O | 0.87 (5) | C17—H17A | 0.9500 |
O3—C7 | 1.267 (2) | C18—C19 | 1.363 (4) |
O4—C7 | 1.246 (2) | C18—H18A | 0.9500 |
O5—C13 | 1.270 (2) | C19—C20 | 1.425 (3) |
O6—C13 | 1.240 (2) | C19—H19A | 0.9500 |
O7—C14 | 1.275 (2) | C20—C21 | 1.387 (3) |
O8—C14 | 1.234 (2) | C21—C22 | 1.395 (3) |
N1—C5 | 1.334 (2) | C21—H21A | 0.9500 |
N1—C1 | 1.335 (2) | C22—C27 | 1.430 (3) |
N2—C12 | 1.333 (2) | C22—C23 | 1.433 (3) |
N2—C8 | 1.336 (2) | C23—C24 | 1.351 (4) |
C1—C2 | 1.392 (3) | C23—H23A | 0.9500 |
C1—C6 | 1.503 (3) | C24—C25 | 1.411 (4) |
C2—C3 | 1.395 (3) | C24—H24A | 0.9500 |
C2—H2A | 0.9500 | C25—C26 | 1.374 (4) |
C3—C4 | 1.391 (3) | C25—H25A | 0.9500 |
C3—H3A | 0.9500 | C26—C27 | 1.414 (3) |
C4—C5 | 1.393 (3) | C26—H26A | 0.9500 |
C4—H4A | 0.9500 | O1W—H1W1 | 0.79 (3) |
C5—C7 | 1.524 (3) | O1W—H2W1 | 0.84 (4) |
C8—C9 | 1.388 (3) | O2W—H1W2 | 0.82 (3) |
C8—C13 | 1.527 (3) | O2W—H2W2 | 0.85 (3) |
C9—C10 | 1.394 (3) | O3W—H1W3 | 0.85 (4) |
C9—H9A | 0.9500 | O3W—H2W3 | 0.85 (5) |
C10—C11 | 1.392 (3) | O4W—H1W4 | 0.82 (4) |
C10—H10A | 0.9500 | O4W—H2W4 | 0.81 (4) |
C11—C12 | 1.389 (3) | O5W—H1W5 | 0.80 (3) |
C11—H11A | 0.9500 | O5W—H2W5 | 0.86 (4) |
C12—C14 | 1.520 (3) | ||
N2—Zn1—N1 | 167.38 (7) | C10—C11—H11A | 121.0 |
N2—Zn1—O3 | 113.11 (6) | N2—C12—C11 | 121.08 (18) |
N1—Zn1—O3 | 79.15 (6) | N2—C12—C14 | 114.08 (16) |
N2—Zn1—O5 | 77.60 (6) | C11—C12—C14 | 124.79 (18) |
N1—Zn1—O5 | 104.68 (6) | O6—C13—O5 | 126.33 (19) |
O3—Zn1—O5 | 96.92 (6) | O6—C13—C8 | 118.50 (17) |
N2—Zn1—O7 | 76.47 (6) | O5—C13—C8 | 115.16 (17) |
N1—Zn1—O7 | 99.78 (6) | O8—C14—O7 | 126.56 (18) |
O3—Zn1—O7 | 96.89 (6) | O8—C14—C12 | 118.05 (17) |
O5—Zn1—O7 | 153.75 (5) | O7—C14—C12 | 115.37 (17) |
N2—Zn1—O1 | 94.29 (6) | C27—N3—C15 | 124.05 (19) |
N1—Zn1—O1 | 73.40 (6) | C27—N3—H3N | 116 (2) |
O3—Zn1—O1 | 152.55 (5) | C15—N3—H3N | 119 (2) |
O5—Zn1—O1 | 90.37 (6) | N3—C15—C16 | 120.89 (19) |
O7—Zn1—O1 | 87.57 (6) | N3—C15—C20 | 118.76 (19) |
C6—O1—Zn1 | 111.93 (13) | C16—C15—C20 | 120.3 (2) |
C6—O2—H2O | 106 (3) | C17—C16—C15 | 119.4 (2) |
C7—O3—Zn1 | 115.21 (12) | C17—C16—H16A | 120.3 |
C13—O5—Zn1 | 115.26 (12) | C15—C16—H16A | 120.3 |
C14—O7—Zn1 | 114.18 (12) | C16—C17—C18 | 121.4 (2) |
C5—N1—C1 | 121.40 (17) | C16—C17—H17A | 119.3 |
C5—N1—Zn1 | 115.70 (13) | C18—C17—H17A | 119.3 |
C1—N1—Zn1 | 122.84 (13) | C19—C18—C17 | 120.3 (2) |
C12—N2—C8 | 121.65 (16) | C19—C18—H18A | 119.9 |
C12—N2—Zn1 | 119.81 (13) | C17—C18—H18A | 119.9 |
C8—N2—Zn1 | 118.53 (13) | C18—C19—C20 | 120.4 (2) |
N1—C1—C2 | 121.71 (18) | C18—C19—H19A | 119.8 |
N1—C1—C6 | 112.49 (16) | C20—C19—H19A | 119.8 |
C2—C1—C6 | 125.77 (18) | C21—C20—C19 | 123.3 (2) |
C1—C2—C3 | 117.39 (18) | C21—C20—C15 | 118.5 (2) |
C1—C2—H2A | 121.3 | C19—C20—C15 | 118.2 (2) |
C3—C2—H2A | 121.3 | C20—C21—C22 | 121.4 (2) |
C4—C3—C2 | 120.34 (18) | C20—C21—H21A | 119.3 |
C4—C3—H3A | 119.8 | C22—C21—H21A | 119.3 |
C2—C3—H3A | 119.8 | C21—C22—C27 | 118.6 (2) |
C3—C4—C5 | 118.55 (18) | C21—C22—C23 | 123.2 (2) |
C3—C4—H4A | 120.7 | C27—C22—C23 | 118.1 (2) |
C5—C4—H4A | 120.7 | C24—C23—C22 | 119.9 (2) |
N1—C5—C4 | 120.58 (18) | C24—C23—H23A | 120.1 |
N1—C5—C7 | 113.94 (16) | C22—C23—H23A | 120.1 |
C4—C5—C7 | 125.47 (18) | C23—C24—C25 | 121.4 (2) |
O1—C6—O2 | 125.66 (19) | C23—C24—H24A | 119.3 |
O1—C6—C1 | 119.23 (18) | C25—C24—H24A | 119.3 |
O2—C6—C1 | 115.09 (17) | C26—C25—C24 | 121.5 (3) |
O4—C7—O3 | 126.57 (19) | C26—C25—H25A | 119.2 |
O4—C7—C5 | 117.59 (17) | C24—C25—H25A | 119.2 |
O3—C7—C5 | 115.84 (17) | C25—C26—C27 | 118.2 (2) |
N2—C8—C9 | 120.81 (18) | C25—C26—H26A | 120.9 |
N2—C8—C13 | 113.42 (16) | C27—C26—H26A | 120.9 |
C9—C8—C13 | 125.76 (18) | N3—C27—C26 | 120.4 (2) |
C8—C9—C10 | 118.12 (18) | N3—C27—C22 | 118.6 (2) |
C8—C9—H9A | 120.9 | C26—C27—C22 | 120.9 (2) |
C10—C9—H9A | 120.9 | H1W1—O1W—H2W1 | 105 (3) |
C11—C10—C9 | 120.35 (18) | H1W2—O2W—H2W2 | 102 (3) |
C11—C10—H10A | 119.8 | H1W3—O3W—H2W3 | 119 (4) |
C9—C10—H10A | 119.8 | H1W4—O4W—H2W4 | 101 (3) |
C12—C11—C10 | 117.95 (19) | H1W5—O5W—H2W5 | 99 (3) |
C12—C11—H11A | 121.0 | ||
N2—Zn1—O1—C6 | −179.71 (14) | Zn1—O3—C7—C5 | −1.0 (2) |
N1—Zn1—O1—C6 | −2.52 (14) | N1—C5—C7—O4 | −175.43 (18) |
O3—Zn1—O1—C6 | −3.2 (2) | C4—C5—C7—O4 | 3.6 (3) |
O5—Zn1—O1—C6 | 102.70 (14) | N1—C5—C7—O3 | 3.8 (3) |
O7—Zn1—O1—C6 | −103.48 (14) | C4—C5—C7—O3 | −177.18 (19) |
N2—Zn1—O3—C7 | 175.78 (14) | C12—N2—C8—C9 | 1.3 (3) |
N1—Zn1—O3—C7 | −1.10 (14) | Zn1—N2—C8—C9 | −179.21 (14) |
O5—Zn1—O3—C7 | −104.79 (15) | C12—N2—C8—C13 | −177.72 (16) |
O7—Zn1—O3—C7 | 97.59 (14) | Zn1—N2—C8—C13 | 1.8 (2) |
O1—Zn1—O3—C7 | −0.5 (2) | N2—C8—C9—C10 | 0.4 (3) |
N2—Zn1—O5—C13 | 0.03 (14) | C13—C8—C9—C10 | 179.29 (18) |
N1—Zn1—O5—C13 | 167.26 (14) | C8—C9—C10—C11 | −1.8 (3) |
O3—Zn1—O5—C13 | −112.19 (14) | C9—C10—C11—C12 | 1.6 (3) |
O7—Zn1—O5—C13 | 9.1 (2) | C8—N2—C12—C11 | −1.5 (3) |
O1—Zn1—O5—C13 | 94.34 (14) | Zn1—N2—C12—C11 | 178.99 (14) |
N2—Zn1—O7—C14 | −1.10 (13) | C8—N2—C12—C14 | 176.01 (16) |
N1—Zn1—O7—C14 | −168.79 (14) | Zn1—N2—C12—C14 | −3.5 (2) |
O3—Zn1—O7—C14 | 111.08 (14) | C10—C11—C12—N2 | 0.0 (3) |
O5—Zn1—O7—C14 | −10.2 (2) | C10—C11—C12—C14 | −177.22 (19) |
O1—Zn1—O7—C14 | −96.10 (14) | Zn1—O5—C13—O6 | −178.26 (17) |
N2—Zn1—N1—C5 | −163.5 (3) | Zn1—O5—C13—C8 | 0.8 (2) |
O3—Zn1—N1—C5 | 3.30 (13) | N2—C8—C13—O6 | 177.49 (17) |
O5—Zn1—N1—C5 | 97.69 (14) | C9—C8—C13—O6 | −1.5 (3) |
O7—Zn1—N1—C5 | −91.92 (14) | N2—C8—C13—O5 | −1.7 (2) |
O1—Zn1—N1—C5 | −176.39 (15) | C9—C8—C13—O5 | 179.34 (19) |
N2—Zn1—N1—C1 | 13.6 (4) | Zn1—O7—C14—O8 | 177.92 (17) |
O3—Zn1—N1—C1 | −179.60 (16) | Zn1—O7—C14—C12 | −0.3 (2) |
O5—Zn1—N1—C1 | −85.21 (15) | N2—C12—C14—O8 | −176.04 (18) |
O7—Zn1—N1—C1 | 85.18 (15) | C11—C12—C14—O8 | 1.4 (3) |
O1—Zn1—N1—C1 | 0.71 (14) | N2—C12—C14—O7 | 2.3 (2) |
N1—Zn1—N2—C12 | 76.6 (3) | C11—C12—C14—O7 | 179.78 (19) |
O3—Zn1—N2—C12 | −89.25 (15) | C27—N3—C15—C16 | −179.05 (19) |
O5—Zn1—N2—C12 | 178.44 (15) | C27—N3—C15—C20 | −0.4 (3) |
O7—Zn1—N2—C12 | 2.55 (14) | N3—C15—C16—C17 | 176.4 (2) |
O1—Zn1—N2—C12 | 89.01 (14) | C20—C15—C16—C17 | −2.2 (3) |
N1—Zn1—N2—C8 | −102.9 (3) | C15—C16—C17—C18 | 1.0 (3) |
O3—Zn1—N2—C8 | 91.25 (14) | C16—C17—C18—C19 | 1.1 (3) |
O5—Zn1—N2—C8 | −1.06 (13) | C17—C18—C19—C20 | −1.9 (3) |
O7—Zn1—N2—C8 | −176.94 (15) | C18—C19—C20—C21 | −177.4 (2) |
O1—Zn1—N2—C8 | −90.49 (14) | C18—C19—C20—C15 | 0.7 (3) |
C5—N1—C1—C2 | −0.5 (3) | N3—C15—C20—C21 | 1.0 (3) |
Zn1—N1—C1—C2 | −177.47 (14) | C16—C15—C20—C21 | 179.63 (19) |
C5—N1—C1—C6 | 177.80 (17) | N3—C15—C20—C19 | −177.22 (18) |
Zn1—N1—C1—C6 | 0.9 (2) | C16—C15—C20—C19 | 1.4 (3) |
N1—C1—C2—C3 | 1.4 (3) | C19—C20—C21—C22 | 177.2 (2) |
C6—C1—C2—C3 | −176.73 (19) | C15—C20—C21—C22 | −0.9 (3) |
C1—C2—C3—C4 | −0.8 (3) | C20—C21—C22—C27 | 0.2 (3) |
C2—C3—C4—C5 | −0.6 (3) | C20—C21—C22—C23 | −178.6 (2) |
C1—N1—C5—C4 | −0.9 (3) | C21—C22—C23—C24 | 178.6 (2) |
Zn1—N1—C5—C4 | 176.22 (14) | C27—C22—C23—C24 | −0.2 (3) |
C1—N1—C5—C7 | 178.16 (17) | C22—C23—C24—C25 | 0.4 (4) |
Zn1—N1—C5—C7 | −4.7 (2) | C23—C24—C25—C26 | −0.5 (4) |
C3—C4—C5—N1 | 1.5 (3) | C24—C25—C26—C27 | 0.3 (4) |
C3—C4—C5—C7 | −177.51 (19) | C15—N3—C27—C26 | 178.98 (19) |
Zn1—O1—C6—O2 | −177.61 (16) | C15—N3—C27—C22 | −0.3 (3) |
Zn1—O1—C6—C1 | 3.8 (2) | C25—C26—C27—N3 | −179.3 (2) |
N1—C1—C6—O1 | −3.4 (3) | C25—C26—C27—C22 | −0.1 (3) |
C2—C1—C6—O1 | 174.9 (2) | C21—C22—C27—N3 | 0.4 (3) |
N1—C1—C6—O2 | 177.91 (17) | C23—C22—C27—N3 | 179.27 (19) |
C2—C1—C6—O2 | −3.8 (3) | C21—C22—C27—C26 | −178.9 (2) |
Zn1—O3—C7—O4 | 178.12 (17) | C23—C22—C27—C26 | 0.0 (3) |
D—H···A | D—H | H···A | D···A | D—H···A |
O2—H2O···O3W | 0.88 (4) | 1.61 (4) | 2.465 (2) | 166 (4) |
N3—H3N···O7 | 0.83 (3) | 1.96 (3) | 2.752 (2) | 159 (3) |
O1W—H1W1···O8 | 0.79 (3) | 1.91 (3) | 2.696 (2) | 174 (3) |
O1W—H2W1···O4i | 0.85 (4) | 2.07 (4) | 2.901 (2) | 165 (3) |
O2W—H1W2···O4 | 0.82 (3) | 2.07 (3) | 2.873 (2) | 166 (3) |
O2W—H2W2···O5Wii | 0.86 (3) | 1.98 (3) | 2.791 (3) | 158 (3) |
O3W—H1W3···O1Wiii | 0.85 (4) | 1.82 (4) | 2.665 (2) | 173 (3) |
O3W—H2W3···O4Wiv | 0.85 (4) | 1.78 (4) | 2.636 (2) | 174 (5) |
O4W—H1W4···O2Wiii | 0.81 (4) | 1.95 (4) | 2.768 (3) | 178 (3) |
O4W—H2W4···O5 | 0.81 (3) | 1.98 (3) | 2.788 (2) | 172 (4) |
O5W—H1W5···O6v | 0.80 (3) | 2.08 (3) | 2.880 (2) | 173 (3) |
O5W—H2W5···O6 | 0.86 (4) | 1.99 (5) | 2.838 (2) | 171 (4) |
Symmetry codes: (i) −x+3/2, y+1/2, −z+3/2; (ii) −x+1, −y, −z+1; (iii) x−1, y, z; (iv) −x+1/2, y+1/2, −z+3/2; (v) −x, −y, −z+1. |
Experimental details
Crystal data | |
Chemical formula | (C13H10N)[Zn(C7H3NO4)(C7H4NO4)]·5H2O |
Mr | 666.89 |
Crystal system, space group | Monoclinic, P21/n |
Temperature (K) | 120 |
a, b, c (Å) | 9.6083 (5), 18.9681 (9), 15.5435 (8) |
β (°) | 96.051 (1) |
V (Å3) | 2817.0 (2) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.95 |
Crystal size (mm) | 0.60 × 0.14 × 0.14 |
Data collection | |
Diffractometer | Bruker SMART 1000 CCD area-detector diffractometer |
Absorption correction | Multi-scan (SADABS; Sheldrick, 1998) |
Tmin, Tmax | 0.652, 0.879 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 26948, 7457, 5795 |
Rint | 0.034 |
(sin θ/λ)max (Å−1) | 0.682 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.041, 0.108, 1.06 |
No. of reflections | 7457 |
No. of parameters | 445 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.87, −0.35 |
Computer programs: SMART (Bruker, 1998), SAINT-Plus (Bruker, 1998), SHELXTL (Sheldrick, 2008).
Zn1—N2 | 2.0011 (16) | Zn1—O5 | 2.1443 (15) |
Zn1—N1 | 2.0238 (16) | Zn1—O7 | 2.2100 (14) |
Zn1—O3 | 2.0864 (14) | Zn1—O1 | 2.3406 (14) |
D—H···A | D—H | H···A | D···A | D—H···A |
O2—H2O···O3W | 0.88 (4) | 1.61 (4) | 2.465 (2) | 166 (4) |
N3—H3N···O7 | 0.83 (3) | 1.96 (3) | 2.752 (2) | 159 (3) |
O1W—H1W1···O8 | 0.79 (3) | 1.91 (3) | 2.696 (2) | 174 (3) |
O1W—H2W1···O4i | 0.85 (4) | 2.07 (4) | 2.901 (2) | 165 (3) |
O2W—H1W2···O4 | 0.82 (3) | 2.07 (3) | 2.873 (2) | 166 (3) |
O2W—H2W2···O5Wii | 0.86 (3) | 1.98 (3) | 2.791 (3) | 158 (3) |
O3W—H1W3···O1Wiii | 0.85 (4) | 1.82 (4) | 2.665 (2) | 173 (3) |
O3W—H2W3···O4Wiv | 0.85 (4) | 1.78 (4) | 2.636 (2) | 174 (5) |
O4W—H1W4···O2Wiii | 0.81 (4) | 1.95 (4) | 2.768 (3) | 178 (3) |
O4W—H2W4···O5 | 0.81 (3) | 1.98 (3) | 2.788 (2) | 172 (4) |
O5W—H1W5···O6v | 0.80 (3) | 2.08 (3) | 2.880 (2) | 173 (3) |
O5W—H2W5···O6 | 0.86 (4) | 1.99 (5) | 2.838 (2) | 171 (4) |
Symmetry codes: (i) −x+3/2, y+1/2, −z+3/2; (ii) −x+1, −y, −z+1; (iii) x−1, y, z; (iv) −x+1/2, y+1/2, −z+3/2; (v) −x, −y, −z+1. |
Acknowledgements
The authors express their appreciation to the Islamic Azad University, Yazd Branch, for financial support of this work.
References
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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 recent years, our research group has been interested in the synthesis of proton transfer compounds and study of their behavior with metal ions. We have focused on the proton delivery from polycarboxylic acids, which are considered as very good donors and amines as acceptors. Among polycarboxylic acids, pyridine-2,6-dicarboxylic acid (pydcH2) as a very important carboxylate derivative has attracted much interest in coordination chemistry and it is the one that we utilized widely in our studies (Aghabozorg, Attar Gharamaleki et al., 2008; Aghabozorg, Firoozi et al., 2008; Aghabozorg, Manteghi et al., 2008; Tabatabaee et al., 2008; Soleimannejad et al., 2008; Aghabozorg et al., 2009; Safaei-Ghomi et al., 2009). In order to develop novel systems, we wish to report the first complex of ZnII with pyridine-2,6-dicarboxylic acid as proton donor and acridine as proton acceptor.
The title compound consists of [Zn(pydcH)(pydc)]- anion, (acrH)+ cation and five uncoordinated water molecules (Fig. 1). ZnII ionic complex includes dianionic ((pydc)2-) and monoanionic ((pydcH)–) forms of pydcH2, simultaneously. ZnII atom is six-coordinated by these anions and the geometry of the resulting ZnN2O4 coordination can be described as distorted octahedral (Table 1). The N atoms occupy the axial positions. The N1—Zn1—N2 angle (167.38 (8)°) deviates from linearity. The dihedral angle between the mean planes of the pyridine rings (A1 and A2, defined in Fig. 1) is 88.16 (9)° indicating that (pydc)2– and (pydcH)– fragments are almost perpendicular to each other. Zn—N distances of (2.0011 (16)Å and 2.0238 (16)Å and Zn—O distances (Zn1—O1:2.0864 (14)Å, Zn1—O5: 2.1443 (15)Å, Zn1—O3:2.2100 (14)Å and Zn1—O7: 2.3406 (14)Å) are consistent with those found in (pydaH)[Zn(pydcH)(pydc)].3H2O (Ranjbar et al. 2002) and (creatH)[Zn(pydcH)(pydc)].4H2O (Moghimi et al. 2005). There are some hydrogen bonding interactions such as O–H···O and N–H···O between cations, anions and uncoordinated water molecules (Table 2). The water molecules act also as bridging agents and link anions together via hydrogen bonds (Fig. 2). As it is seen in Fig. 3, there are also π-π stacking interactions between the aromatic rings of the coordinated (pydc)2– and (pydcH)- anions and acridinum cation, with distances of 3.537 (1)Å for Cg5···Cg7 [Cg5: N1/C1—C5, Cg7:N3/C15—C20—C21—C22—C27] and 3.751 (1)Å for Cg6···Cg7 (Cg6:N2/C8—C12). Ion pairing, hydrogen bonding, π–π stacking and van der Waals interactions are also effective packing for the crystal structure. These interactions lead to formation of a three-dimensional supramolecular structure.