metal-organic compounds
Bis{2-[(E)-(4-fluorobenzyl)iminomethyl]-6-methoxyphenolato}palladium(II)
aFaculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia, and bX-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia
*Correspondence e-mail: hkfun@usm.my
In the title compound, [Pd(C15H13FNO2)2], the PdII atom is tetracoordinated by two N atoms and two O atoms from the two 2-[(4-fluorobenzyl)iminomethyl]-6-methoxyphenoxy ligands, forming a square-planar geometry. The two N atoms and the two O atoms around the PdII atom are trans to each other. The dihedral angle between the two fluoro-substituted benzene rings is 39.03 (6)°. The molecular structure is stabilized by an intramolecular C—H⋯O hydrogen bond. In the crystal, weak intermolecular C—H⋯π interactions occur.
Related literature
For applications of palladium(II)–Schiff base complexes, see: Ali et al. (2002); Gupta & Sutar (2008). For related structures, see: Jiang et al. (2008); Tsai et al. (2009); Mohd Tajuddin et al. (2010); Lin et al. (2010). For the stability of the temperature controller used in the data collection, see: Cosier & Glazer (1986).
Experimental
Crystal data
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Refinement
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Data collection: APEX2 (Bruker, 2009); cell SAINT (Bruker, 2009); data reduction: SAINT; 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 and PLATON (Spek, 2009).
Supporting information
10.1107/S1600536811017739/is2710sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536811017739/is2710Isup2.hkl
(E)-2-[(4-fluorobenzyl)iminomethyl]-6-methoxyphenol (0.5196 g, 2 mmol) and palladium acetate (0.2249 g, 2 mmol) was each dissolved separately in acetonitrile (5 ml). The two solutions were then mixed and stirred under reflux for 4 hours upon which a brown precipitate was formed. It was isolated by gravity filtration, washed with cold acetonitrile and air dried at room temperature. The solid product was recrystallized from chloroform yielding yellow crystals (yield 97.1%, m.p. 526–529 K). Analytical calculation for C30H26F2N2O4Pd (%): C 57.84, H 4.21, N 4.50. Found (%): C 57.86, H 4.21, N 4.27. IR (cm-1): ν(C═N) 1616 (s), ν(C–O) 1248 (s), ν(C–H) 2836 (w), ν(C–N) 1328 (m), ν(C–OCH3) 1084 (m), ν(Pd–O) 581 (w), ν(Pd–N) 495 (w). 1H NMR (CDCl3, 300 MHz, p.p.m.): δ = 7.728 (1H, s, HC═N), 7.450–6.492
All hydrogen atoms were positioned geometrically (C—H = 0.95–0.99 Å) and were refined using a riding model, with Uiso(H) = 1.2 or 1.5Ueq(C). A rotating group model was applied to the methyl groups. There exists a pseudo-symmetry relation in the molecule that is broken by the deviating orientation of the fluorophenyl rings. The highest residual electron density peak and the deepest hole are located 0.68 and 0.65 Å, respectively, from atom Pd1.
Data collection: APEX2 (Bruker, 2009); cell
SAINT (Bruker, 2009); data reduction: SAINT (Bruker, 2009); 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) and PLATON (Spek, 2009).Fig. 1. The molecular structure of the title compound, showing 30% probability displacement ellipsoids and the atom-numbering scheme. | |
Fig. 2. A crystal packing diagram of the title compound, viewed along the a axis. |
[Pd(C15H13FNO2)2] | Z = 2 |
Mr = 622.93 | F(000) = 632 |
Triclinic, P1 | Dx = 1.639 Mg m−3 |
Hall symbol: -P 1 | Mo Kα radiation, λ = 0.71073 Å |
a = 10.0025 (4) Å | Cell parameters from 9774 reflections |
b = 11.0082 (4) Å | θ = 2.5–35.1° |
c = 12.3152 (4) Å | µ = 0.79 mm−1 |
α = 109.550 (1)° | T = 100 K |
β = 98.368 (1)° | Block, yellow |
γ = 90.054 (1)° | 0.54 × 0.19 × 0.16 mm |
V = 1262.45 (8) Å3 |
Bruker SMART APEXII CCD area-detector diffractometer | 11056 independent reflections |
Radiation source: fine-focus sealed tube | 9774 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.027 |
ϕ and ω scans | θmax = 35.2°, θmin = 1.8° |
Absorption correction: multi-scan (SADABS; Bruker, 2009) | h = −15→16 |
Tmin = 0.677, Tmax = 0.885 | k = −17→17 |
39095 measured reflections | l = −19→19 |
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)] = 0.029 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.081 | H-atom parameters constrained |
S = 1.03 | w = 1/[σ2(Fo2) + (0.0422P)2 + 0.7245P] where P = (Fo2 + 2Fc2)/3 |
11056 reflections | (Δ/σ)max = 0.001 |
354 parameters | Δρmax = 1.95 e Å−3 |
0 restraints | Δρmin = −1.72 e Å−3 |
[Pd(C15H13FNO2)2] | γ = 90.054 (1)° |
Mr = 622.93 | V = 1262.45 (8) Å3 |
Triclinic, P1 | Z = 2 |
a = 10.0025 (4) Å | Mo Kα radiation |
b = 11.0082 (4) Å | µ = 0.79 mm−1 |
c = 12.3152 (4) Å | T = 100 K |
α = 109.550 (1)° | 0.54 × 0.19 × 0.16 mm |
β = 98.368 (1)° |
Bruker SMART APEXII CCD area-detector diffractometer | 11056 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2009) | 9774 reflections with I > 2σ(I) |
Tmin = 0.677, Tmax = 0.885 | Rint = 0.027 |
39095 measured reflections |
R[F2 > 2σ(F2)] = 0.029 | 0 restraints |
wR(F2) = 0.081 | H-atom parameters constrained |
S = 1.03 | Δρmax = 1.95 e Å−3 |
11056 reflections | Δρmin = −1.72 e Å−3 |
354 parameters |
Experimental. The crystal was placed in the cold stream of an Oxford Cryosystems Cobra open-flow nitrogen cryostat (Cosier & Glazer, 1986) operating at 100.0 (1) K. |
Geometry. All s.u.'s (except the s.u. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell s.u.'s are taken into account individually in the estimation of s.u.'s in distances, angles and torsion angles; correlations between s.u.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell s.u.'s is used for estimating s.u.'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 > 2σ(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 | ||
Pd1 | 0.248588 (8) | −0.003817 (7) | −0.004344 (7) | 0.01066 (3) | |
F1 | 0.27490 (11) | −0.29889 (9) | 0.45715 (8) | 0.02764 (19) | |
F2 | 0.20856 (10) | 0.27200 (9) | −0.47652 (8) | 0.02562 (18) | |
O1 | 0.36986 (10) | 0.15058 (9) | 0.03227 (8) | 0.01505 (15) | |
O2 | 0.12766 (10) | −0.15832 (9) | −0.03987 (8) | 0.01526 (16) | |
O3 | 0.54754 (10) | 0.32234 (9) | 0.03930 (9) | 0.01810 (17) | |
O4 | −0.04950 (10) | −0.33148 (9) | −0.04619 (9) | 0.01818 (17) | |
N1 | 0.17806 (10) | 0.06583 (10) | 0.14915 (9) | 0.01244 (16) | |
N2 | 0.31884 (10) | −0.07394 (10) | −0.15808 (9) | 0.01247 (16) | |
C1 | 0.39256 (12) | 0.24727 (11) | 0.13077 (10) | 0.01246 (18) | |
C2 | 0.49156 (12) | 0.34497 (11) | 0.13870 (10) | 0.01365 (19) | |
C3 | 0.52321 (13) | 0.45087 (12) | 0.23893 (11) | 0.0169 (2) | |
H3A | 0.5896 | 0.5145 | 0.2426 | 0.020* | |
C4 | 0.45737 (14) | 0.46504 (13) | 0.33603 (12) | 0.0196 (2) | |
H4A | 0.4803 | 0.5375 | 0.4052 | 0.023* | |
C5 | 0.36016 (14) | 0.37416 (12) | 0.33048 (11) | 0.0175 (2) | |
H5A | 0.3150 | 0.3850 | 0.3956 | 0.021* | |
C6 | 0.32634 (12) | 0.26388 (11) | 0.22825 (10) | 0.01328 (18) | |
C7 | 0.22130 (12) | 0.17496 (11) | 0.22910 (10) | 0.01358 (18) | |
H7A | 0.1783 | 0.1991 | 0.2966 | 0.016* | |
C8 | 0.07085 (12) | −0.00674 (11) | 0.17704 (10) | 0.01394 (19) | |
H8A | 0.0179 | −0.0646 | 0.1035 | 0.017* | |
H8B | 0.0085 | 0.0549 | 0.2194 | 0.017* | |
C9 | 0.12744 (12) | −0.08626 (11) | 0.25037 (10) | 0.01400 (19) | |
C10 | 0.05718 (13) | −0.09792 (12) | 0.33660 (11) | 0.0178 (2) | |
H10A | −0.0246 | −0.0551 | 0.3486 | 0.021* | |
C11 | 0.10491 (15) | −0.17143 (13) | 0.40555 (12) | 0.0207 (2) | |
H11A | 0.0562 | −0.1801 | 0.4635 | 0.025* | |
C12 | 0.22457 (15) | −0.23096 (12) | 0.38736 (11) | 0.0196 (2) | |
C13 | 0.29778 (15) | −0.22301 (12) | 0.30226 (11) | 0.0196 (2) | |
H13A | 0.3797 | −0.2658 | 0.2913 | 0.023* | |
C14 | 0.24736 (13) | −0.15024 (12) | 0.23327 (11) | 0.0171 (2) | |
H14A | 0.2952 | −0.1441 | 0.1739 | 0.021* | |
C15 | 0.64506 (14) | 0.41740 (13) | 0.04021 (12) | 0.0192 (2) | |
H15A | 0.6772 | 0.3917 | −0.0354 | 0.029* | |
H15B | 0.7216 | 0.4250 | 0.1021 | 0.029* | |
H15C | 0.6034 | 0.5008 | 0.0546 | 0.029* | |
C16 | 0.10422 (12) | −0.25480 (11) | −0.13811 (10) | 0.01267 (18) | |
C17 | 0.00590 (12) | −0.35324 (11) | −0.14546 (11) | 0.01388 (19) | |
C18 | −0.02515 (13) | −0.45995 (12) | −0.24528 (11) | 0.0170 (2) | |
H18A | −0.0909 | −0.5239 | −0.2485 | 0.020* | |
C19 | 0.04061 (15) | −0.47427 (12) | −0.34260 (12) | 0.0191 (2) | |
H19A | 0.0184 | −0.5473 | −0.4114 | 0.023* | |
C20 | 0.13651 (14) | −0.38259 (12) | −0.33769 (11) | 0.0175 (2) | |
H20A | 0.1815 | −0.3935 | −0.4029 | 0.021* | |
C21 | 0.16949 (12) | −0.27135 (11) | −0.23629 (10) | 0.01365 (19) | |
C22 | 0.27473 (12) | −0.18294 (11) | −0.23782 (10) | 0.01387 (19) | |
H22A | 0.3171 | −0.2074 | −0.3056 | 0.017* | |
C23 | 0.42827 (12) | −0.00312 (11) | −0.18626 (10) | 0.01336 (18) | |
H23A | 0.4913 | −0.0655 | −0.2266 | 0.016* | |
H23B | 0.4799 | 0.0567 | −0.1130 | 0.016* | |
C24 | 0.37152 (12) | 0.07264 (11) | −0.26307 (10) | 0.01318 (18) | |
C25 | 0.37981 (13) | 0.02717 (12) | −0.38181 (10) | 0.0167 (2) | |
H25A | 0.4228 | −0.0510 | −0.4136 | 0.020* | |
C26 | 0.32631 (14) | 0.09414 (13) | −0.45479 (11) | 0.0190 (2) | |
H26A | 0.3325 | 0.0630 | −0.5356 | 0.023* | |
C27 | 0.26401 (14) | 0.20716 (13) | −0.40591 (11) | 0.0173 (2) | |
C28 | 0.25358 (14) | 0.25643 (12) | −0.28829 (11) | 0.0173 (2) | |
H28A | 0.2099 | 0.3344 | −0.2573 | 0.021* | |
C29 | 0.30892 (13) | 0.18839 (11) | −0.21691 (10) | 0.0158 (2) | |
H29A | 0.3041 | 0.2210 | −0.1358 | 0.019* | |
C30 | −0.14487 (14) | −0.42819 (13) | −0.04730 (13) | 0.0194 (2) | |
H30A | −0.1760 | −0.4041 | 0.0286 | 0.029* | |
H30B | −0.1019 | −0.5110 | −0.0629 | 0.029* | |
H30C | −0.2223 | −0.4360 | −0.1084 | 0.029* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Pd1 | 0.01183 (4) | 0.00891 (4) | 0.01172 (4) | −0.00181 (3) | 0.00113 (3) | 0.00440 (3) |
F1 | 0.0435 (6) | 0.0223 (4) | 0.0244 (4) | 0.0072 (4) | 0.0073 (4) | 0.0166 (3) |
F2 | 0.0345 (5) | 0.0268 (4) | 0.0219 (4) | 0.0067 (4) | 0.0042 (3) | 0.0165 (3) |
O1 | 0.0188 (4) | 0.0115 (3) | 0.0142 (4) | −0.0055 (3) | 0.0029 (3) | 0.0033 (3) |
O2 | 0.0182 (4) | 0.0113 (3) | 0.0152 (4) | −0.0052 (3) | 0.0033 (3) | 0.0028 (3) |
O3 | 0.0202 (4) | 0.0147 (4) | 0.0195 (4) | −0.0066 (3) | 0.0049 (3) | 0.0052 (3) |
O4 | 0.0190 (4) | 0.0145 (4) | 0.0217 (4) | −0.0050 (3) | 0.0063 (3) | 0.0058 (3) |
N1 | 0.0132 (4) | 0.0117 (4) | 0.0136 (4) | −0.0011 (3) | 0.0019 (3) | 0.0059 (3) |
N2 | 0.0137 (4) | 0.0114 (4) | 0.0137 (4) | −0.0011 (3) | 0.0023 (3) | 0.0059 (3) |
C1 | 0.0134 (4) | 0.0099 (4) | 0.0144 (4) | −0.0013 (3) | 0.0005 (3) | 0.0052 (3) |
C2 | 0.0144 (5) | 0.0110 (4) | 0.0158 (5) | −0.0023 (3) | 0.0011 (4) | 0.0055 (4) |
C3 | 0.0175 (5) | 0.0113 (4) | 0.0200 (5) | −0.0038 (4) | 0.0007 (4) | 0.0035 (4) |
C4 | 0.0223 (6) | 0.0140 (5) | 0.0191 (5) | −0.0034 (4) | 0.0022 (4) | 0.0018 (4) |
C5 | 0.0211 (5) | 0.0134 (5) | 0.0163 (5) | −0.0024 (4) | 0.0032 (4) | 0.0028 (4) |
C6 | 0.0147 (5) | 0.0114 (4) | 0.0138 (4) | −0.0014 (3) | 0.0013 (3) | 0.0047 (4) |
C7 | 0.0155 (5) | 0.0120 (4) | 0.0143 (4) | −0.0002 (4) | 0.0025 (4) | 0.0057 (4) |
C8 | 0.0133 (5) | 0.0142 (4) | 0.0156 (5) | −0.0016 (4) | 0.0029 (4) | 0.0064 (4) |
C9 | 0.0161 (5) | 0.0113 (4) | 0.0148 (5) | −0.0022 (3) | 0.0026 (4) | 0.0047 (4) |
C10 | 0.0202 (5) | 0.0165 (5) | 0.0189 (5) | −0.0015 (4) | 0.0063 (4) | 0.0075 (4) |
C11 | 0.0266 (6) | 0.0185 (5) | 0.0206 (5) | −0.0024 (4) | 0.0072 (5) | 0.0096 (4) |
C12 | 0.0301 (7) | 0.0138 (5) | 0.0174 (5) | −0.0005 (4) | 0.0042 (4) | 0.0085 (4) |
C13 | 0.0256 (6) | 0.0164 (5) | 0.0196 (5) | 0.0040 (4) | 0.0053 (4) | 0.0091 (4) |
C14 | 0.0211 (5) | 0.0150 (5) | 0.0183 (5) | 0.0018 (4) | 0.0062 (4) | 0.0084 (4) |
C15 | 0.0179 (5) | 0.0168 (5) | 0.0245 (6) | −0.0048 (4) | 0.0038 (4) | 0.0090 (4) |
C16 | 0.0130 (4) | 0.0102 (4) | 0.0153 (5) | −0.0014 (3) | 0.0012 (3) | 0.0053 (4) |
C17 | 0.0141 (5) | 0.0108 (4) | 0.0169 (5) | −0.0020 (3) | 0.0015 (4) | 0.0053 (4) |
C18 | 0.0180 (5) | 0.0117 (4) | 0.0196 (5) | −0.0042 (4) | −0.0001 (4) | 0.0044 (4) |
C19 | 0.0243 (6) | 0.0126 (5) | 0.0175 (5) | −0.0044 (4) | 0.0013 (4) | 0.0022 (4) |
C20 | 0.0216 (5) | 0.0131 (5) | 0.0159 (5) | −0.0026 (4) | 0.0022 (4) | 0.0028 (4) |
C21 | 0.0155 (5) | 0.0114 (4) | 0.0145 (5) | −0.0012 (3) | 0.0018 (4) | 0.0051 (4) |
C22 | 0.0164 (5) | 0.0121 (4) | 0.0144 (5) | −0.0008 (4) | 0.0033 (4) | 0.0057 (4) |
C23 | 0.0131 (4) | 0.0121 (4) | 0.0163 (5) | −0.0008 (3) | 0.0034 (4) | 0.0063 (4) |
C24 | 0.0138 (4) | 0.0121 (4) | 0.0143 (4) | −0.0018 (3) | 0.0027 (3) | 0.0051 (4) |
C25 | 0.0203 (5) | 0.0149 (5) | 0.0155 (5) | 0.0013 (4) | 0.0042 (4) | 0.0052 (4) |
C26 | 0.0235 (6) | 0.0196 (5) | 0.0146 (5) | 0.0012 (4) | 0.0039 (4) | 0.0063 (4) |
C27 | 0.0201 (5) | 0.0180 (5) | 0.0162 (5) | −0.0002 (4) | 0.0015 (4) | 0.0095 (4) |
C28 | 0.0243 (6) | 0.0125 (4) | 0.0161 (5) | 0.0001 (4) | 0.0033 (4) | 0.0059 (4) |
C29 | 0.0219 (5) | 0.0120 (4) | 0.0141 (5) | 0.0008 (4) | 0.0037 (4) | 0.0047 (4) |
C30 | 0.0168 (5) | 0.0165 (5) | 0.0286 (6) | −0.0030 (4) | 0.0051 (4) | 0.0115 (5) |
Pd1—O1 | 1.9717 (9) | C11—H11A | 0.9500 |
Pd1—O2 | 1.9727 (9) | C12—C13 | 1.3882 (19) |
Pd1—N1 | 2.0194 (10) | C13—C14 | 1.3962 (18) |
Pd1—N2 | 2.0209 (10) | C13—H13A | 0.9500 |
F1—C12 | 1.3624 (16) | C14—H14A | 0.9500 |
F2—C27 | 1.3599 (15) | C15—H15A | 0.9800 |
O1—C1 | 1.3081 (14) | C15—H15B | 0.9800 |
O2—C16 | 1.3053 (14) | C15—H15C | 0.9800 |
O3—C2 | 1.3674 (15) | C16—C21 | 1.4156 (16) |
O3—C15 | 1.4261 (15) | C16—C17 | 1.4339 (16) |
O4—C17 | 1.3639 (15) | C17—C18 | 1.3818 (17) |
O4—C30 | 1.4241 (16) | C18—C19 | 1.4132 (19) |
N1—C7 | 1.2974 (15) | C18—H18A | 0.9500 |
N1—C8 | 1.4817 (15) | C19—C20 | 1.3721 (18) |
N2—C22 | 1.2974 (15) | C19—H19A | 0.9500 |
N2—C23 | 1.4888 (15) | C20—C21 | 1.4225 (17) |
C1—C6 | 1.4136 (16) | C20—H20A | 0.9500 |
C1—C2 | 1.4305 (16) | C21—C22 | 1.4394 (17) |
C2—C3 | 1.3804 (17) | C22—H22A | 0.9500 |
C3—C4 | 1.4117 (19) | C23—C24 | 1.5117 (17) |
C3—H3A | 0.9500 | C23—H23A | 0.9900 |
C4—C5 | 1.3725 (18) | C23—H23B | 0.9900 |
C4—H4A | 0.9500 | C24—C25 | 1.3934 (16) |
C5—C6 | 1.4232 (17) | C24—C29 | 1.3996 (17) |
C5—H5A | 0.9500 | C25—C26 | 1.3934 (18) |
C6—C7 | 1.4388 (17) | C25—H25A | 0.9500 |
C7—H7A | 0.9500 | C26—C27 | 1.3813 (18) |
C8—C9 | 1.5111 (18) | C26—H26A | 0.9500 |
C8—H8A | 0.9900 | C27—C28 | 1.3862 (17) |
C8—H8B | 0.9900 | C28—C29 | 1.3929 (18) |
C9—C10 | 1.3951 (17) | C28—H28A | 0.9500 |
C9—C14 | 1.3983 (17) | C29—H29A | 0.9500 |
C10—C11 | 1.3951 (19) | C30—H30A | 0.9800 |
C10—H10A | 0.9500 | C30—H30B | 0.9800 |
C11—C12 | 1.376 (2) | C30—H30C | 0.9800 |
O1—Pd1—O2 | 179.60 (3) | C13—C14—H14A | 119.6 |
O1—Pd1—N1 | 92.57 (4) | C9—C14—H14A | 119.6 |
O2—Pd1—N1 | 87.15 (4) | O3—C15—H15A | 109.5 |
O1—Pd1—N2 | 87.59 (4) | O3—C15—H15B | 109.5 |
O2—Pd1—N2 | 92.70 (4) | H15A—C15—H15B | 109.5 |
N1—Pd1—N2 | 179.85 (4) | O3—C15—H15C | 109.5 |
C1—O1—Pd1 | 126.95 (8) | H15A—C15—H15C | 109.5 |
C16—O2—Pd1 | 126.89 (8) | H15B—C15—H15C | 109.5 |
C2—O3—C15 | 116.63 (10) | O2—C16—C21 | 125.54 (10) |
C17—O4—C30 | 116.34 (10) | O2—C16—C17 | 116.76 (10) |
C7—N1—C8 | 115.47 (10) | C21—C16—C17 | 117.69 (10) |
C7—N1—Pd1 | 123.53 (8) | O4—C17—C18 | 124.87 (11) |
C8—N1—Pd1 | 121.00 (7) | O4—C17—C16 | 113.91 (10) |
C22—N2—C23 | 115.28 (10) | C18—C17—C16 | 121.21 (11) |
C22—N2—Pd1 | 123.34 (8) | C17—C18—C19 | 120.21 (11) |
C23—N2—Pd1 | 121.36 (7) | C17—C18—H18A | 119.9 |
O1—C1—C6 | 125.61 (10) | C19—C18—H18A | 119.9 |
O1—C1—C2 | 116.59 (10) | C20—C19—C18 | 119.96 (11) |
C6—C1—C2 | 117.80 (10) | C20—C19—H19A | 120.0 |
O3—C2—C3 | 125.21 (11) | C18—C19—H19A | 120.0 |
O3—C2—C1 | 113.62 (10) | C19—C20—C21 | 120.91 (12) |
C3—C2—C1 | 121.16 (11) | C19—C20—H20A | 119.5 |
C2—C3—C4 | 120.27 (11) | C21—C20—H20A | 119.5 |
C2—C3—H3A | 119.9 | C16—C21—C20 | 120.01 (11) |
C4—C3—H3A | 119.9 | C16—C21—C22 | 123.08 (10) |
C5—C4—C3 | 120.00 (12) | C20—C21—C22 | 116.84 (11) |
C5—C4—H4A | 120.0 | N2—C22—C21 | 128.03 (11) |
C3—C4—H4A | 120.0 | N2—C22—H22A | 116.0 |
C4—C5—C6 | 120.70 (12) | C21—C22—H22A | 116.0 |
C4—C5—H5A | 119.7 | N2—C23—C24 | 111.43 (10) |
C6—C5—H5A | 119.7 | N2—C23—H23A | 109.3 |
C1—C6—C5 | 120.05 (11) | C24—C23—H23A | 109.3 |
C1—C6—C7 | 122.95 (10) | N2—C23—H23B | 109.3 |
C5—C6—C7 | 116.98 (11) | C24—C23—H23B | 109.3 |
N1—C7—C6 | 128.04 (11) | H23A—C23—H23B | 108.0 |
N1—C7—H7A | 116.0 | C25—C24—C29 | 118.91 (11) |
C6—C7—H7A | 116.0 | C25—C24—C23 | 120.18 (10) |
N1—C8—C9 | 112.50 (10) | C29—C24—C23 | 120.91 (10) |
N1—C8—H8A | 109.1 | C24—C25—C26 | 121.27 (11) |
C9—C8—H8A | 109.1 | C24—C25—H25A | 119.4 |
N1—C8—H8B | 109.1 | C26—C25—H25A | 119.4 |
C9—C8—H8B | 109.1 | C27—C26—C25 | 117.94 (11) |
H8A—C8—H8B | 107.8 | C27—C26—H26A | 121.0 |
C10—C9—C14 | 118.88 (12) | C25—C26—H26A | 121.0 |
C10—C9—C8 | 119.18 (11) | F2—C27—C26 | 118.60 (11) |
C14—C9—C8 | 121.93 (10) | F2—C27—C28 | 118.47 (12) |
C9—C10—C11 | 121.15 (12) | C26—C27—C28 | 122.92 (12) |
C9—C10—H10A | 119.4 | C27—C28—C29 | 118.09 (11) |
C11—C10—H10A | 119.4 | C27—C28—H28A | 121.0 |
C12—C11—C10 | 118.16 (12) | C29—C28—H28A | 121.0 |
C12—C11—H11A | 120.9 | C28—C29—C24 | 120.88 (11) |
C10—C11—H11A | 120.9 | C28—C29—H29A | 119.6 |
F1—C12—C11 | 118.70 (12) | C24—C29—H29A | 119.6 |
F1—C12—C13 | 118.39 (13) | O4—C30—H30A | 109.5 |
C11—C12—C13 | 122.90 (13) | O4—C30—H30B | 109.5 |
C12—C13—C14 | 118.01 (12) | H30A—C30—H30B | 109.5 |
C12—C13—H13A | 121.0 | O4—C30—H30C | 109.5 |
C14—C13—H13A | 121.0 | H30A—C30—H30C | 109.5 |
C13—C14—C9 | 120.89 (11) | H30B—C30—H30C | 109.5 |
Cg1, Cg2, Cg3 and Cg5 are the centroids of the Pd1/N1/O1/C1/C6/C7, Pd1/O2/N2/C16/C21/C22, C1–C6 and C16–C21 rings, respectively. |
D—H···A | D—H | H···A | D···A | D—H···A |
C29—H29A···O1 | 0.95 | 2.45 | 3.2051 (15) | 136 |
C8—H8B···Cg2i | 0.99 | 2.67 | 3.3882 (13) | 130 |
C15—H15B···Cg5ii | 0.98 | 2.71 | 3.6530 (15) | 162 |
C23—H23A···Cg1ii | 0.99 | 2.67 | 3.3612 (13) | 127 |
C30—H30C···Cg3i | 0.98 | 2.69 | 3.6146 (16) | 158 |
Symmetry codes: (i) −x, −y, −z; (ii) −x+1, −y, −z. |
Experimental details
Crystal data | |
Chemical formula | [Pd(C15H13FNO2)2] |
Mr | 622.93 |
Crystal system, space group | Triclinic, P1 |
Temperature (K) | 100 |
a, b, c (Å) | 10.0025 (4), 11.0082 (4), 12.3152 (4) |
α, β, γ (°) | 109.550 (1), 98.368 (1), 90.054 (1) |
V (Å3) | 1262.45 (8) |
Z | 2 |
Radiation type | Mo Kα |
µ (mm−1) | 0.79 |
Crystal size (mm) | 0.54 × 0.19 × 0.16 |
Data collection | |
Diffractometer | Bruker SMART APEXII CCD area-detector diffractometer |
Absorption correction | Multi-scan (SADABS; Bruker, 2009) |
Tmin, Tmax | 0.677, 0.885 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 39095, 11056, 9774 |
Rint | 0.027 |
(sin θ/λ)max (Å−1) | 0.812 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.029, 0.081, 1.03 |
No. of reflections | 11056 |
No. of parameters | 354 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 1.95, −1.72 |
Computer programs: APEX2 (Bruker, 2009), SAINT (Bruker, 2009), SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009).
Cg1, Cg2, Cg3 and Cg5 are the centroids of the Pd1/N1/O1/C1/C6/C7, Pd1/O2/N2/C16/C21/C22, C1–C6 and C16–C21 rings, respectively. |
D—H···A | D—H | H···A | D···A | D—H···A |
C29—H29A···O1 | 0.95 | 2.45 | 3.2051 (15) | 136 |
C8—H8B···Cg2i | 0.99 | 2.67 | 3.3882 (13) | 130 |
C15—H15B···Cg5ii | 0.98 | 2.71 | 3.6530 (15) | 162 |
C23—H23A···Cg1ii | 0.99 | 2.67 | 3.3612 (13) | 127 |
C30—H30C···Cg3i | 0.98 | 2.69 | 3.6146 (16) | 158 |
Symmetry codes: (i) −x, −y, −z; (ii) −x+1, −y, −z. |
Footnotes
‡Thomson Reuters ResearcherID: A-3561-2009.
Acknowledgements
HB, AMT, WNWI would like to acknowledge the Ministry of Higher Education of Malaysia for research grant No. 600-RMI/ST/FRGS5/3/Fst(7/2009), Universiti Teknologi MARA and Universiti Sains Malaysia for the facilities. HKF and MH thank the Malaysian Government and Universiti Sains Malaysia for the Research University Grant No. 1001/PFIZIK/811160. MH also thanks Universiti Sains Malaysia for a post-doctoral research fellowship.
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.
Palladium(II)-Schiff base complexes are well-known for their catalytic (Gupta & Sutar, 2008) and biological properties (Ali et al., 2002). Schiff bases containing iminoalkylphenolato groups commonly perform bidentate coordination with metal centres as shown in bis{2-[(E)-benzyliminomethyl]-4,6-dibromophenalato-κ2N,O}cobalt(II) (Jiang et al., 2008) and bis[2-(2H-benzotriazol-2-yl)-4-methyl-phenolato]palladium(II) (Tsai et al., 2009). The title compound, (I), is bis-bidentate (see Fig. 1) and related to the previously reported bis[2-(1-benzyliminoethyl)phenolato]palladium(II) (Mohd Tajuddin et al., 2010) but with different substituents on the iminoalkylphenolato and benzyl moieties.
The geometry around PdII atom is tetra-coordinated with a normal square planar environment in which two N atoms and two O atoms are coplanar. The two N atoms and two O atoms around the PdII atom are trans to each other. The bond angles of O1—Pd1—N1= 92.57 (4)°, O2—Pd1—N1 = 87.15 (4)°, O1—Pd1—N2 = 87.59 (4)°, O2—Pd1—N2= 92.70 (4)°, N1—Pd1—N2 = 179.85 ° and O1—Pd1—O2 = 179.60 (3) °. The distances between the PdII atom and O and N are 1.9717 (9), 1.9727 (9), 2.0194 (10) and 2.0209 (10) Å, respectively. These bond distances and angles are similar to those found in the crystal structure of bis[4-methyl-2- (2H-benzotriazol-2-yl)phenolato]palladium (II) (Tsai et al., 2009; Lin et al., 2010). The dihedral angle between the two fluoro-substituted benzene (C9–C14)/(C24–C29) rings is 39.03 (6)°.
In the crystal structure, (Fig. 2), the molecular packing is stablized by weak C29—H29A···O1 hydrogen bond and C—H···π interactions (Table 1), involving centroids, Cg1 (Pd1/N1/O1/C1/C6/C7), Cg2 (Pd1/O2/N2/C16/C21/C22), Cg3 (C1–C6) and Cg5 (C16–C21).