supplementary materials
Tetrakis(
-2-pyridyloxyacetato)bis[(1,10-phenanthroline)(2-pyridyloxyacetato)praseodymium(III)]
The molecule of the title compound, [Pr2(C7H6NO3)6(C12H8N2)2], has an inversion centre midway between the two PrIII ions, which are bridged by two tridentate and two bidentate carboxylate groups. Each Pr atom is seven-coordinated by two N atoms of a 1,10-phenanthroline ligand and five O atoms of 2-pyridyloxyacetate ligands. In the crystal structure, intermolecular C-H
O hydrogen bonds lead to a supramolecular network.
Crystals of the title compound were synthesized using hydrothermal method in a
23 ml Teflon-lined Parr bomb. Praseodymium (III) chloride hexahydrate (142.2 mg, 0.4 mmol), phen (79.2 mg, 0.4 mmol), phenoxyacetic acid (182.6 mg, 1.2 mmol) and distilled water (6 g) were placed into the bomb and sealed. The bomb
was then heated under autogenous pressure for 7 d at 433 K and allowed to cool
at room temperature for 24 h. Upon opening the bomb, a clear colorless
solution was decanted from small colorless crystals. These crystals were
washed with distilled water followed by ethanol, and allowed to air-dry at
room temperature.
H atoms were positioned geometrically, with C—H = 0.93 and 0.97 Å, for
aromatic and methylene H atoms, and constrained to ride on their parent atoms,
with Uiso(H) = 1.2Ueq(C).
Data collection: SMART (Siemens, 1996); cell refinement: SAINT (Siemens, 1996); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 1997); program(s) used to refine structure: SHELXL97 (Sheldrick, 1997); molecular graphics: SHELXTL (Siemens, 1996); software used to prepare material for publication: SHELXTL.
Tetrakis(µ-2-pyridyloxyacetato)bis[(1,10-phenanthroline)(2-
pyridyloxyacetato)praseodymium(III)]
top
Crystal data top
| [Pr2(C7H6NO3)6(C12H8N2)2] | F(000) = 1560 |
| Mr = 1555.00 | Dx = 1.558 Mg m−3 |
| Monoclinic, P21/n | Mo Kα radiation, λ = 0.71073 Å |
| Hall symbol: -P 2yn | Cell parameters from 8993 reflections |
| a = 20.1124 (13) Å | θ = 2.6–26.3° |
| b = 8.4268 (12) Å | µ = 1.53 mm−1 |
| c = 20.5541 (15) Å | T = 273 K |
| β = 107.883 (4)° | Plane, colourless |
| V = 3315.3 (6) Å3 | 0.33 × 0.13 × 0.08 mm |
| Z = 2 | |
Data collection top
Bruker SMART CCD area-detector diffractometer | 7030 independent reflections |
| Radiation source: fine-focus sealed tube | 4817 reflections with I > 2σ(I) |
| Graphite monochromator | Rint = 0.041 |
| φ and ω scans | θmax = 26.9°, θmin = 2.1° |
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | h = −25→25 |
| Tmin = 0.635, Tmax = 0.886 | k = −10→10 |
| 25850 measured reflections | l = −26→25 |
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)] = 0.041 | Hydrogen site location: inferred from neighbouring sites |
| wR(F2) = 0.111 | H-atom parameters constrained |
| S = 1.08 | w = 1/[σ2(Fo2) + (0.0599P)2] where P = (Fo2 + 2Fc2)/3 |
| 7030 reflections | (Δ/σ)max = 0.001 |
| 403 parameters | Δρmax = 1.09 e Å−3 |
| 3 restraints | Δρmin = −0.61 e Å−3 |
Crystal data top
| [Pr2(C7H6NO3)6(C12H8N2)2] | V = 3315.3 (6) Å3 |
| Mr = 1555.00 | Z = 2 |
| Monoclinic, P21/n | Mo Kα radiation |
| a = 20.1124 (13) Å | µ = 1.53 mm−1 |
| b = 8.4268 (12) Å | T = 273 K |
| c = 20.5541 (15) Å | 0.33 × 0.13 × 0.08 mm |
| β = 107.883 (4)° | |
Data collection top
Bruker SMART CCD area-detector diffractometer | 7030 independent reflections |
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | 4817 reflections with I > 2σ(I) |
| Tmin = 0.635, Tmax = 0.886 | Rint = 0.041 |
| 25850 measured reflections | θmax = 26.9° |
Refinement top
| R[F2 > 2σ(F2)] = 0.041 | H-atom parameters constrained |
| wR(F2) = 0.111 | Δρmax = 1.09 e Å−3 |
| S = 1.08 | Δρmin = −0.61 e Å−3 |
| 7030 reflections | Absolute structure: ? |
| 403 parameters | Flack parameter: ? |
| 3 restraints | Rogers parameter: ? |
Special details top
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. |
Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2) top| | x | y | z | Uiso*/Ueq | |
| Pr1 | 0.931204 (12) | 0.19065 (3) | 0.964298 (10) | 0.03869 (10) | |
| O1 | 0.84638 (14) | −0.0362 (3) | 0.91887 (14) | 0.0446 (7) | |
| O2 | 0.94648 (15) | −0.1381 (4) | 0.97706 (14) | 0.0501 (8) | |
| O3 | 0.93992 (16) | 0.4207 (3) | 1.03399 (14) | 0.0482 (7) | |
| O4 | 0.97065 (16) | 0.0604 (4) | 0.87486 (14) | 0.0478 (7) | |
| O5 | 1.06703 (16) | −0.0829 (4) | 0.92159 (14) | 0.0497 (7) | |
| O6 | 1.11848 (18) | −0.0167 (4) | 0.82201 (17) | 0.0667 (10) | |
| O7 | 0.78465 (18) | −0.3262 (4) | 0.89773 (19) | 0.0631 (9) | |
| O8 | 1.00780 (18) | 0.6129 (4) | 1.09076 (14) | 0.0569 (8) | |
| O9 | 0.98693 (18) | 0.5277 (4) | 1.20622 (15) | 0.0623 (9) | |
| N1 | 0.79688 (19) | 0.2343 (4) | 0.96659 (19) | 0.0481 (9) | |
| N2 | 0.8341 (2) | 0.3069 (4) | 0.85452 (18) | 0.0486 (9) | |
| N3 | 1.1134 (4) | 0.1070 (8) | 0.7158 (3) | 0.115 (2) | |
| N4 | 0.7856 (4) | −0.2785 (7) | 1.0114 (5) | 0.1305 (14) | |
| N5 | 0.9272 (3) | 0.3783 (8) | 1.2710 (3) | 0.0982 (17) | |
| C1 | 0.7784 (3) | 0.1922 (6) | 1.0202 (3) | 0.0635 (14) | |
| H1 | 0.8133 | 0.1695 | 1.0608 | 0.076* | |
| C2 | 0.7091 (3) | 0.1799 (8) | 1.0192 (3) | 0.0824 (19) | |
| H2 | 0.6982 | 0.1491 | 1.0581 | 0.099* | |
| C3 | 0.6578 (3) | 0.2135 (8) | 0.9607 (4) | 0.091 (2) | |
| H3 | 0.6112 | 0.2058 | 0.9591 | 0.109* | |
| C4 | 0.6743 (3) | 0.2581 (8) | 0.9047 (3) | 0.0748 (16) | |
| C5 | 0.7462 (2) | 0.2675 (6) | 0.9089 (2) | 0.0525 (12) | |
| C6 | 0.6231 (4) | 0.2970 (10) | 0.8400 (4) | 0.109 (3) | |
| H6 | 0.5758 | 0.2878 | 0.8352 | 0.131* | |
| C7 | 0.6427 (4) | 0.3450 (9) | 0.7880 (4) | 0.103 (3) | |
| H7 | 0.6084 | 0.3741 | 0.7479 | 0.124* | |
| C8 | 0.7133 (3) | 0.3548 (7) | 0.7901 (3) | 0.0704 (16) | |
| C9 | 0.7662 (3) | 0.3097 (5) | 0.8509 (2) | 0.0530 (12) | |
| C10 | 0.7360 (4) | 0.4034 (7) | 0.7367 (3) | 0.086 (2) | |
| H10 | 0.7035 | 0.4389 | 0.6967 | 0.103* | |
| C11 | 0.8034 (4) | 0.4012 (7) | 0.7409 (3) | 0.0798 (18) | |
| H11 | 0.8176 | 0.4339 | 0.7040 | 0.096* | |
| C12 | 0.8524 (3) | 0.3496 (6) | 0.8010 (2) | 0.0637 (14) | |
| H12 | 0.8993 | 0.3453 | 0.8032 | 0.076* | |
| C13 | 0.8840 (2) | −0.1509 (6) | 0.9391 (2) | 0.0444 (10) | |
| C14 | 0.8575 (3) | −0.3141 (5) | 0.9193 (3) | 0.0553 (12) | |
| H14A | 0.8748 | −0.3506 | 0.8828 | 0.066* | |
| H14B | 0.8762 | −0.3840 | 0.9582 | 0.066* | |
| C15 | 0.7517 (6) | −0.3141 (8) | 0.9436 (6) | 0.1305 (14) | |
| C16 | 0.6800 (5) | −0.3391 (9) | 0.9208 (5) | 0.1305 (14) | |
| H16 | 0.6584 | −0.3605 | 0.8748 | 0.157* | |
| C17 | 0.6404 (6) | −0.3334 (9) | 0.9638 (5) | 0.1305 (14) | |
| H17 | 0.5929 | −0.3567 | 0.9487 | 0.157* | |
| C18 | 0.6732 (6) | −0.2923 (9) | 1.0295 (6) | 0.1305 (14) | |
| H18 | 0.6463 | −0.2823 | 1.0589 | 0.157* | |
| C19 | 0.7401 (5) | −0.2659 (10) | 1.0544 (5) | 0.1305 (14) | |
| H19 | 0.7591 | −0.2385 | 1.1002 | 0.157* | |
| C20 | 0.9694 (2) | 0.4991 (5) | 1.0865 (2) | 0.0443 (10) | |
| C21 | 0.9489 (3) | 0.4451 (6) | 1.1474 (2) | 0.0565 (12) | |
| H21A | 0.8993 | 0.4631 | 1.1390 | 0.068* | |
| H21B | 0.9576 | 0.3322 | 1.1543 | 0.068* | |
| C22 | 0.9749 (3) | 0.4892 (6) | 1.2654 (2) | 0.0547 (12) | |
| C23 | 1.0146 (3) | 0.5696 (7) | 1.3220 (3) | 0.0703 (15) | |
| H23 | 1.0479 | 0.6426 | 1.3183 | 0.084* | |
| C24 | 1.0048 (4) | 0.5416 (8) | 1.3835 (3) | 0.091 (2) | |
| H24 | 1.0313 | 0.5969 | 1.4218 | 0.109* | |
| C25 | 0.9566 (4) | 0.4332 (10) | 1.3897 (3) | 0.103 (2) | |
| H25 | 0.9497 | 0.4159 | 1.4319 | 0.123* | |
| C26 | 0.9193 (4) | 0.3523 (10) | 1.3347 (3) | 0.106 (3) | |
| H26 | 0.8874 | 0.2767 | 1.3393 | 0.127* | |
| C27 | 1.0287 (2) | 0.0030 (5) | 0.8773 (2) | 0.0433 (10) | |
| C28 | 1.0524 (3) | 0.0513 (6) | 0.8172 (2) | 0.0559 (12) | |
| H28B | 1.0182 | 0.0169 | 0.7751 | 0.067* | |
| H28A | 1.0558 | 0.1660 | 0.8159 | 0.067* | |
| C29 | 1.1461 (3) | 0.0141 (6) | 0.7709 (3) | 0.0619 (13) | |
| C30 | 1.2081 (3) | −0.0560 (8) | 0.7765 (3) | 0.0781 (16) | |
| H30 | 1.2294 | −0.1184 | 0.8145 | 0.094* | |
| C31 | 1.2401 (4) | −0.0362 (9) | 0.7266 (4) | 0.094 (2) | |
| H31 | 1.2827 | −0.0853 | 0.7310 | 0.113* | |
| C32 | 1.2100 (5) | 0.0533 (9) | 0.6723 (4) | 0.103 (2) | |
| H32 | 1.2318 | 0.0671 | 0.6388 | 0.124* | |
| C33 | 1.1488 (5) | 0.1232 (9) | 0.6654 (4) | 0.108 (3) | |
| H33 | 1.1285 | 0.1845 | 0.6268 | 0.129* | |
Atomic displacement parameters (Å2) top| | U11 | U22 | U33 | U12 | U13 | U23 |
| Pr1 | 0.04554 (15) | 0.03268 (15) | 0.03235 (14) | −0.00154 (11) | 0.00388 (9) | 0.00058 (10) |
| O1 | 0.0462 (16) | 0.0334 (17) | 0.0452 (16) | 0.0009 (14) | 0.0009 (13) | −0.0034 (13) |
| O2 | 0.0467 (18) | 0.0500 (18) | 0.0436 (17) | −0.0036 (14) | −0.0008 (14) | 0.0074 (14) |
| O3 | 0.0696 (19) | 0.0323 (16) | 0.0401 (16) | −0.0049 (15) | 0.0129 (14) | −0.0038 (13) |
| O4 | 0.0579 (19) | 0.0461 (18) | 0.0381 (16) | 0.0066 (16) | 0.0129 (13) | 0.0014 (14) |
| O5 | 0.0614 (19) | 0.0484 (19) | 0.0394 (16) | 0.0074 (16) | 0.0157 (14) | 0.0110 (14) |
| O6 | 0.069 (2) | 0.082 (3) | 0.055 (2) | 0.0176 (19) | 0.0286 (17) | 0.0197 (18) |
| O7 | 0.060 (2) | 0.046 (2) | 0.069 (2) | −0.0139 (16) | −0.0010 (17) | −0.0074 (16) |
| O8 | 0.085 (2) | 0.048 (2) | 0.0371 (17) | −0.0261 (18) | 0.0180 (16) | −0.0040 (14) |
| O9 | 0.089 (2) | 0.060 (2) | 0.0372 (17) | −0.0273 (18) | 0.0181 (16) | −0.0065 (15) |
| N1 | 0.049 (2) | 0.040 (2) | 0.048 (2) | 0.0036 (17) | 0.0030 (17) | −0.0081 (17) |
| N2 | 0.063 (2) | 0.036 (2) | 0.037 (2) | 0.0042 (18) | 0.0003 (17) | 0.0005 (16) |
| N3 | 0.148 (6) | 0.118 (5) | 0.100 (4) | −0.003 (4) | 0.070 (4) | 0.022 (4) |
| N4 | 0.156 (4) | 0.091 (2) | 0.170 (4) | 0.015 (3) | 0.088 (4) | 0.027 (3) |
| N5 | 0.102 (4) | 0.118 (5) | 0.080 (4) | −0.033 (4) | 0.034 (3) | 0.002 (3) |
| C1 | 0.059 (3) | 0.074 (4) | 0.055 (3) | 0.008 (3) | 0.015 (2) | −0.002 (3) |
| C2 | 0.062 (4) | 0.111 (6) | 0.082 (4) | 0.003 (3) | 0.033 (3) | −0.013 (4) |
| C3 | 0.045 (3) | 0.114 (6) | 0.108 (6) | −0.004 (3) | 0.018 (3) | −0.018 (4) |
| C4 | 0.051 (3) | 0.085 (4) | 0.071 (4) | 0.007 (3) | −0.007 (3) | −0.018 (3) |
| C5 | 0.053 (3) | 0.038 (3) | 0.057 (3) | 0.007 (2) | 0.002 (2) | −0.009 (2) |
| C6 | 0.061 (4) | 0.139 (8) | 0.100 (6) | 0.015 (4) | −0.016 (4) | −0.033 (5) |
| C7 | 0.080 (5) | 0.109 (6) | 0.081 (5) | 0.040 (4) | −0.032 (4) | −0.021 (4) |
| C8 | 0.074 (4) | 0.060 (3) | 0.051 (3) | 0.017 (3) | −0.019 (3) | −0.011 (3) |
| C9 | 0.060 (3) | 0.033 (3) | 0.047 (3) | 0.006 (2) | −0.012 (2) | −0.004 (2) |
| C10 | 0.114 (5) | 0.068 (4) | 0.046 (3) | 0.017 (4) | −0.020 (3) | 0.001 (3) |
| C11 | 0.118 (5) | 0.070 (4) | 0.036 (3) | 0.001 (4) | 0.002 (3) | 0.010 (3) |
| C12 | 0.082 (4) | 0.051 (3) | 0.048 (3) | −0.002 (3) | 0.005 (3) | 0.007 (2) |
| C13 | 0.048 (2) | 0.049 (3) | 0.031 (2) | −0.004 (2) | 0.0056 (18) | −0.0033 (18) |
| C14 | 0.062 (3) | 0.045 (3) | 0.052 (3) | 0.002 (2) | 0.007 (2) | −0.006 (2) |
| C15 | 0.156 (4) | 0.091 (2) | 0.170 (4) | 0.015 (3) | 0.088 (4) | 0.027 (3) |
| C16 | 0.156 (4) | 0.091 (2) | 0.170 (4) | 0.015 (3) | 0.088 (4) | 0.027 (3) |
| C17 | 0.156 (4) | 0.091 (2) | 0.170 (4) | 0.015 (3) | 0.088 (4) | 0.027 (3) |
| C18 | 0.156 (4) | 0.091 (2) | 0.170 (4) | 0.015 (3) | 0.088 (4) | 0.027 (3) |
| C19 | 0.156 (4) | 0.091 (2) | 0.170 (4) | 0.015 (3) | 0.088 (4) | 0.027 (3) |
| C20 | 0.060 (3) | 0.033 (2) | 0.039 (2) | −0.001 (2) | 0.013 (2) | 0.0005 (18) |
| C21 | 0.076 (3) | 0.051 (3) | 0.042 (3) | −0.019 (3) | 0.018 (2) | −0.004 (2) |
| C22 | 0.072 (3) | 0.054 (3) | 0.039 (3) | −0.005 (3) | 0.018 (2) | 0.004 (2) |
| C23 | 0.088 (4) | 0.072 (4) | 0.048 (3) | −0.021 (3) | 0.016 (3) | −0.011 (3) |
| C24 | 0.121 (5) | 0.102 (5) | 0.040 (3) | −0.019 (4) | 0.010 (3) | −0.011 (3) |
| C25 | 0.128 (6) | 0.137 (7) | 0.050 (4) | −0.028 (5) | 0.039 (4) | 0.009 (4) |
| C26 | 0.130 (6) | 0.135 (6) | 0.064 (4) | −0.058 (5) | 0.047 (4) | −0.003 (4) |
| C27 | 0.056 (3) | 0.034 (2) | 0.038 (2) | −0.006 (2) | 0.012 (2) | −0.0035 (18) |
| C28 | 0.066 (3) | 0.056 (3) | 0.047 (3) | 0.005 (3) | 0.019 (2) | 0.012 (2) |
| C29 | 0.074 (3) | 0.065 (3) | 0.055 (3) | −0.007 (3) | 0.032 (3) | 0.005 (3) |
| C30 | 0.080 (4) | 0.094 (5) | 0.071 (4) | 0.000 (4) | 0.038 (3) | 0.000 (3) |
| C31 | 0.094 (5) | 0.097 (6) | 0.112 (5) | −0.006 (4) | 0.061 (4) | −0.009 (4) |
| C32 | 0.140 (7) | 0.083 (5) | 0.125 (6) | −0.017 (5) | 0.097 (6) | −0.005 (5) |
| C33 | 0.159 (7) | 0.101 (5) | 0.093 (5) | 0.012 (5) | 0.083 (5) | 0.029 (4) |
Geometric parameters (Å, º) top
| Pr1—O1 | 2.542 (3) | C6—H6 | 0.9300 |
| Pr1—O2 | 2.791 (3) | C7—C8 | 1.410 (10) |
| Pr1—O3 | 2.385 (3) | C7—H7 | 0.9300 |
| Pr1—O4 | 2.472 (3) | C8—C10 | 1.373 (9) |
| Pr1—N1 | 2.741 (4) | C8—C9 | 1.423 (6) |
| Pr1—N2 | 2.676 (3) | C10—C11 | 1.331 (8) |
| Pr1—O2i | 2.425 (3) | C10—H10 | 0.9300 |
| Pr1—O5i | 2.505 (3) | C11—C12 | 1.392 (7) |
| Pr1—O8ii | 2.526 (3) | C11—H11 | 0.9300 |
| O1—C13 | 1.219 (5) | C12—H12 | 0.9300 |
| O2—C13 | 1.263 (5) | C13—C14 | 1.486 (6) |
| O2—Pr1i | 2.425 (3) | C14—H14A | 0.9700 |
| O3—C20 | 1.249 (5) | C14—H14B | 0.9700 |
| O4—C27 | 1.250 (5) | C15—C16 | 1.388 (13) |
| O5—C27 | 1.232 (5) | C16—C17 | 1.360 (11) |
| O5—Pr1i | 2.505 (3) | C16—H16 | 0.9300 |
| O6—C29 | 1.357 (6) | C17—C18 | 1.354 (13) |
| O6—C28 | 1.422 (5) | C17—H17 | 0.9300 |
| O7—C15 | 1.313 (10) | C18—C19 | 1.304 (13) |
| O7—C14 | 1.398 (6) | C18—H18 | 0.9300 |
| O8—C20 | 1.218 (5) | C19—H19 | 0.9300 |
| O8—Pr1ii | 2.526 (3) | C20—C21 | 1.502 (6) |
| O9—C22 | 1.352 (5) | C21—H21A | 0.9700 |
| O9—C21 | 1.402 (5) | C21—H21B | 0.9700 |
| N1—C1 | 1.316 (6) | C22—C23 | 1.371 (7) |
| N1—C5 | 1.335 (6) | C23—C24 | 1.357 (7) |
| N2—C12 | 1.314 (6) | C23—H23 | 0.9300 |
| N2—C9 | 1.343 (6) | C24—C25 | 1.368 (9) |
| N3—C29 | 1.367 (8) | C24—H24 | 0.9300 |
| N3—C33 | 1.432 (8) | C25—C26 | 1.336 (9) |
| N4—C15 | 1.383 (13) | C25—H25 | 0.9300 |
| N4—C19 | 1.457 (10) | C26—H26 | 0.9300 |
| N5—C22 | 1.369 (7) | C27—C28 | 1.511 (6) |
| N5—C26 | 1.384 (7) | C28—H28B | 0.9700 |
| C1—C2 | 1.390 (7) | C28—H28A | 0.9700 |
| C1—H1 | 0.9300 | C29—C30 | 1.354 (7) |
| C2—C3 | 1.352 (9) | C30—C31 | 1.376 (8) |
| C2—H2 | 0.9300 | C30—H30 | 0.9300 |
| C3—C4 | 1.344 (9) | C31—C32 | 1.330 (10) |
| C3—H3 | 0.9300 | C31—H31 | 0.9300 |
| C4—C5 | 1.424 (7) | C32—C33 | 1.331 (10) |
| C4—C6 | 1.448 (9) | C32—H32 | 0.9300 |
| C5—C9 | 1.417 (7) | C33—H33 | 0.9300 |
| C6—C7 | 1.310 (10) | | |
| | | |
| O1—Pr1—O2 | 47.92 (8) | C5—C9—C8 | 118.5 (5) |
| O1—Pr1—O3 | 138.55 (10) | C11—C10—C8 | 121.7 (5) |
| O1—Pr1—O4 | 74.05 (10) | C11—C10—H10 | 119.1 |
| O2—Pr1—O3 | 139.90 (9) | C8—C10—H10 | 119.1 |
| O2—Pr1—O4 | 65.03 (9) | C10—C11—C12 | 119.5 (6) |
| O3—Pr1—O4 | 145.75 (10) | C10—C11—H11 | 120.3 |
| O1—Pr1—N1 | 63.47 (10) | C12—C11—H11 | 120.3 |
| O2—Pr1—N1 | 102.25 (10) | N2—C12—C11 | 121.5 (6) |
| O3—Pr1—N1 | 76.80 (11) | N2—C12—H12 | 119.2 |
| O4—Pr1—N1 | 127.99 (10) | C11—C12—H12 | 119.2 |
| O1—Pr1—N2 | 74.44 (10) | O1—C13—O2 | 122.6 (4) |
| O2—Pr1—N2 | 118.26 (9) | O1—C13—C14 | 120.5 (4) |
| O3—Pr1—N2 | 96.24 (10) | O2—C13—C14 | 116.9 (4) |
| O4—Pr1—N2 | 81.57 (10) | O7—C14—C13 | 114.0 (4) |
| N1—Pr1—N2 | 59.81 (12) | O7—C14—H14A | 108.7 |
| O2i—Pr1—O1 | 120.63 (10) | C13—C14—H14A | 108.7 |
| O5i—Pr1—O1 | 83.46 (10) | O7—C14—H14B | 108.7 |
| O8ii—Pr1—O1 | 133.80 (9) | C13—C14—H14B | 108.7 |
| O2i—Pr1—N2 | 148.49 (11) | H14A—C14—H14B | 107.6 |
| O2i—Pr1—N1 | 150.55 (11) | O7—C15—C16 | 116.6 (11) |
| O3—Pr1—O2i | 88.48 (11) | O7—C15—N4 | 122.6 (10) |
| O2i—Pr1—O4 | 77.31 (10) | C16—C15—N4 | 120.8 (10) |
| O3—Pr1—O5i | 75.83 (10) | C17—C16—C15 | 122.0 (11) |
| O2i—Pr1—O5i | 75.40 (10) | C17—C16—H16 | 119.0 |
| O4—Pr1—O5i | 128.30 (10) | C15—C16—H16 | 119.0 |
| O3—Pr1—O8ii | 77.29 (10) | C18—C17—C16 | 117.0 (11) |
| O2i—Pr1—O8ii | 77.53 (11) | C18—C17—H17 | 121.5 |
| O4—Pr1—O8ii | 69.33 (10) | C16—C17—H17 | 121.5 |
| O5i—Pr1—O8ii | 141.99 (10) | C19—C18—C17 | 124.3 (10) |
| O5i—Pr1—N2 | 135.97 (11) | C19—C18—H18 | 117.9 |
| O8ii—Pr1—N2 | 73.23 (11) | C17—C18—H18 | 117.9 |
| O5i—Pr1—N1 | 76.31 (11) | C18—C19—N4 | 120.9 (11) |
| O8ii—Pr1—N1 | 122.45 (12) | C18—C19—H19 | 119.5 |
| O2i—Pr1—O2 | 72.94 (11) | N4—C19—H19 | 119.5 |
| O5i—Pr1—O2 | 65.33 (9) | O8—C20—O3 | 126.9 (4) |
| O8ii—Pr1—O2 | 129.66 (10) | O8—C20—C21 | 120.7 (4) |
| C13—O1—Pr1 | 101.2 (3) | O3—C20—C21 | 112.4 (4) |
| C13—O2—Pr1i | 163.0 (3) | O9—C21—C20 | 110.5 (4) |
| C13—O2—Pr1 | 88.1 (3) | O9—C21—H21A | 109.5 |
| Pr1i—O2—Pr1 | 107.06 (11) | C20—C21—H21A | 109.5 |
| C20—O3—Pr1 | 151.3 (3) | O9—C21—H21B | 109.5 |
| C27—O4—Pr1 | 130.6 (3) | C20—C21—H21B | 109.5 |
| C27—O5—Pr1i | 137.0 (3) | H21A—C21—H21B | 108.1 |
| C29—O6—C28 | 117.7 (4) | O9—C22—N5 | 124.3 (4) |
| C15—O7—C14 | 118.5 (7) | O9—C22—C23 | 115.3 (4) |
| C20—O8—Pr1ii | 150.4 (3) | N5—C22—C23 | 120.5 (5) |
| C22—O9—C21 | 117.2 (4) | C24—C23—C22 | 119.4 (5) |
| C1—N1—C5 | 117.7 (4) | C24—C23—H23 | 120.3 |
| C1—N1—Pr1 | 120.8 (3) | C22—C23—H23 | 120.3 |
| C5—N1—Pr1 | 120.1 (3) | C23—C24—C25 | 120.9 (6) |
| C12—N2—C9 | 119.4 (4) | C23—C24—H24 | 119.6 |
| C12—N2—Pr1 | 119.1 (3) | C25—C24—H24 | 119.6 |
| C9—N2—Pr1 | 121.3 (3) | C26—C25—C24 | 119.4 (5) |
| C29—N3—C33 | 115.7 (6) | C26—C25—H25 | 120.3 |
| C15—N4—C19 | 114.8 (9) | C24—C25—H25 | 120.3 |
| C22—N5—C26 | 118.3 (5) | C25—C26—N5 | 121.5 (6) |
| N1—C1—C2 | 123.1 (5) | C25—C26—H26 | 119.3 |
| N1—C1—H1 | 118.4 | N5—C26—H26 | 119.3 |
| C2—C1—H1 | 118.4 | O5—C27—O4 | 128.5 (4) |
| C3—C2—C1 | 119.1 (6) | O5—C27—C28 | 118.6 (4) |
| C3—C2—H2 | 120.5 | O4—C27—C28 | 112.9 (4) |
| C1—C2—H2 | 120.5 | O6—C28—C27 | 111.0 (4) |
| C4—C3—C2 | 119.9 (6) | O6—C28—H28B | 109.4 |
| C4—C3—H3 | 120.1 | C27—C28—H28B | 109.4 |
| C2—C3—H3 | 120.1 | O6—C28—H28A | 109.4 |
| C3—C4—C5 | 118.4 (5) | C27—C28—H28A | 109.4 |
| C3—C4—C6 | 123.9 (6) | H28B—C28—H28A | 108.0 |
| C5—C4—C6 | 117.7 (6) | C30—C29—O6 | 115.9 (5) |
| N1—C5—C4 | 121.8 (5) | C30—C29—N3 | 121.1 (5) |
| N1—C5—C9 | 117.6 (4) | O6—C29—N3 | 123.0 (5) |
| C4—C5—C9 | 120.6 (5) | C29—C30—C31 | 120.9 (6) |
| C7—C6—C4 | 120.8 (7) | C29—C30—H30 | 119.6 |
| C7—C6—H6 | 119.6 | C31—C30—H30 | 119.6 |
| C4—C6—H6 | 119.6 | C32—C31—C30 | 119.8 (7) |
| C6—C7—C8 | 123.1 (6) | C32—C31—H31 | 120.1 |
| C6—C7—H7 | 118.5 | C30—C31—H31 | 120.1 |
| C8—C7—H7 | 118.5 | C33—C32—C31 | 120.6 (6) |
| C10—C8—C7 | 124.9 (6) | C33—C32—H32 | 119.7 |
| C10—C8—C9 | 116.0 (6) | C31—C32—H32 | 119.7 |
| C7—C8—C9 | 119.1 (6) | C32—C33—N3 | 122.0 (7) |
| N2—C9—C5 | 119.7 (4) | C32—C33—H33 | 119.0 |
| N2—C9—C8 | 121.8 (5) | N3—C33—H33 | 119.0 |
| Symmetry codes: (i) −x+2, −y, −z+2; (ii) −x+2, −y+1, −z+2. |
Hydrogen-bond geometry (Å, º) top
| D—H···A | D—H | H···A | D···A | D—H···A |
| C1—H1···O5i | 0.93 | 2.43 | 3.108 (6) | 129 |
| C12—H12···O8ii | 0.93 | 2.42 | 3.019 (6) | 122 |
| C14—H14B···O3iii | 0.97 | 2.36 | 3.301 (6) | 164 |
| C10—H10···O1iv | 0.93 | 2.29 | 3.159 (6) | 156 |
| Symmetry codes: (i) −x+2, −y, −z+2; (ii) −x+2, −y+1, −z+2; (iii) x, y−1, z; (iv) −x+3/2, y+1/2, −z+3/2. |
Selected geometric parameters (Å, º) top| Pr1—O1 | 2.542 (3) | Pr1—O4 | 2.472 (3) |
| Pr1—O2 | 2.791 (3) | Pr1—N1 | 2.741 (4) |
| Pr1—O3 | 2.385 (3) | Pr1—N2 | 2.676 (3) |
| | | |
| O1—Pr1—O2 | 47.92 (8) | O3—Pr1—N1 | 76.80 (11) |
| O1—Pr1—O3 | 138.55 (10) | O4—Pr1—N1 | 127.99 (10) |
| O1—Pr1—O4 | 74.05 (10) | O1—Pr1—N2 | 74.44 (10) |
| O2—Pr1—O3 | 139.90 (9) | O2—Pr1—N2 | 118.26 (9) |
| O2—Pr1—O4 | 65.03 (9) | O3—Pr1—N2 | 96.24 (10) |
| O3—Pr1—O4 | 145.75 (10) | O4—Pr1—N2 | 81.57 (10) |
| O1—Pr1—N1 | 63.47 (10) | N1—Pr1—N2 | 59.81 (12) |
| O2—Pr1—N1 | 102.25 (10) | | |
Hydrogen-bond geometry (Å, º) top
| D—H···A | D—H | H···A | D···A | D—H···A |
| C1—H1···O5i | 0.93 | 2.43 | 3.108 (6) | 129 |
| C12—H12···O8ii | 0.93 | 2.42 | 3.019 (6) | 122 |
| C14—H14B···O3iii | 0.97 | 2.36 | 3.301 (6) | 164 |
| C10—H10···O1iv | 0.93 | 2.29 | 3.159 (6) | 156 |
| Symmetry codes: (i) −x+2, −y, −z+2; (ii) −x+2, −y+1, −z+2; (iii) x, y−1, z; (iv) −x+3/2, y+1/2, −z+3/2. |
We thank the Youth Program of Jinggangshan University for financial support of
this work.
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.
Liu, T., Wang, Z.-W., Wang, Y.-X. & Xie, Z.-P. (2007). Acta Cryst. E63, m2020–m2021.
Sheldrick, G. M. (1996). SADABS. University of Göttingen, Germany.
Sheldrick, G. M. (1997). SHELXS97 and SHELXL97. University of Göttingen, Germany.
Siemens (1996). SMART, SAINT and SHELXTL. Siemens Analytical X-ray Instruments Inc., Madison, Wisconsin, USA.
The crystal structure of tetrakis(2-pyridyloxyacetic acid)bis[(2-pyridyloxy- acetic acid)(1,10-phenanthroline-N,N')lanthanum(III)], (II), has previously been reported (Liu et al., 2007). The crystal structure determination of the title compound, (I), has been carried out in order to elucidate the molecular conformation and to compare it with that of (II). We report herein the crystal structure of (I).
In the molecule of (I) (Fig. 1), the ligand bond lengths and angles are within normal ranges (Allen et al., 1987). It has an inversion centre between the two PrIII ions, in which they are bridged by the two terdentate and the two bidentate carboxylate groups. Each Pr atom is seven-coordinated by the two N atoms of 1,10-phenanthroline (phen) ligand and the five O atoms of 2-pyridyloxy- acetic acid ligands. The Pr—O and Pr—N bonds are in the range of [2.385 (3)–2.791 (3) Å] and [2.676 (3)–2.741 (4) Å], respectively (Table 1), as in (II).
In the crystal structure, intermolecular C—H···O hydrogen bonds (Table 2) lead to a supramolecular network structure (Fig. 2), in which they may be effective in the stabilization of the structure, as in (II).
The both compounds, (I) and (II), are isostructural.