Supporting information
Crystallographic Information File (CIF) https://doi.org/10.1107/S1600536802019578/bt6208sup1.cif | |
Structure factor file (CIF format) https://doi.org/10.1107/S1600536802019578/bt6208Isup2.hkl |
CCDC reference: 202273
The title complex was prepared by mixing a 1:1 molar ratio of EuCl3·H2O (0.5 mmol) and K3[Fe(CN)6] (165 mg, 0.5 mmol) in a mixed solution of DMF/H2O/EtOH (v:v = 1:2:2). The reaction mixture was filtered and orange single crystals suitable for X-ray analysis were obtained by slow evaporation of the solvent. Yield = 81%. IR spectra [recorded on an FT–IR 170SX (Nicolet) spectrometer, KBr pellet]: 3614, 3380 (board band center), 2945, 2125, 1653, 1497, 1381, 1115, 675 cm−1.
Data collection: TEXSAN (Molecular Structure Corporation, 1999); cell refinement: TEXSAN; data reduction: TEXSAN; program(s) used to solve structure: SHELXS97 (Sheldrick, 1997); program(s) used to refine structure: SHELXL97 (Sheldrick, 1997); molecular graphics: SHELXTL (Bruker, 1998); software used to prepare material for publication: SHELXTL.
[EuFe(CN)6(C3H7NO)4(H2O)3]·H2O | Dx = 1.567 Mg m−3 |
Mr = 728.38 | Melting point: not measured K |
Monoclinic, P21/n | Mo Kα radiation, λ = 0.71073 Å |
a = 17.633 (4) Å | Cell parameters from 25 reflections |
b = 8.8791 (18) Å | θ = 30.1–33.9° |
c = 19.831 (4) Å | µ = 2.54 mm−1 |
β = 96.12 (3)° | T = 293 K |
V = 3087.2 (11) Å3 | Prism, orange |
Z = 4 | 0.80 × 0.40 × 0.40 mm |
F(000) = 1468 |
Rigaku AFC-7R diffractometer | 5832 reflections with I > 2σ(I) |
Radiation source: fine-focus sealed tube | Rint = 0.050 |
Graphite monochromator | θmax = 31.0°, θmin = 1.6° |
2θ–ω scans | h = −7→25 |
Absorption correction: ψ scan ? | k = −11→3 |
Tmin = 0.747, Tmax = 0.999 | l = −22→22 |
7448 measured reflections | 3 standard reflections every 200 reflections |
7067 independent reflections | intensity decay: −1.3% |
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)] = 0.033 | H-atom parameters constrained |
wR(F2) = 0.095 | w = 1/[σ2(Fo2) + (0.0609P)2 + 3.1152P] where P = (Fo2 + 2Fc2)/3 |
S = 1.01 | (Δ/σ)max = 0.003 |
7067 reflections | Δρmax = 1.64 e Å−3 |
344 parameters | Δρmin = −1.42 e Å−3 |
0 restraints | Extinction correction: SHELXL97, Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4 |
Primary atom site location: structure-invariant direct methods | Extinction coefficient: 0.00100 (17) |
[EuFe(CN)6(C3H7NO)4(H2O)3]·H2O | V = 3087.2 (11) Å3 |
Mr = 728.38 | Z = 4 |
Monoclinic, P21/n | Mo Kα radiation |
a = 17.633 (4) Å | µ = 2.54 mm−1 |
b = 8.8791 (18) Å | T = 293 K |
c = 19.831 (4) Å | 0.80 × 0.40 × 0.40 mm |
β = 96.12 (3)° |
Rigaku AFC-7R diffractometer | 5832 reflections with I > 2σ(I) |
Absorption correction: ψ scan ? | Rint = 0.050 |
Tmin = 0.747, Tmax = 0.999 | 3 standard reflections every 200 reflections |
7448 measured reflections | intensity decay: −1.3% |
7067 independent reflections |
R[F2 > 2σ(F2)] = 0.033 | 0 restraints |
wR(F2) = 0.095 | H-atom parameters constrained |
S = 1.01 | Δρmax = 1.64 e Å−3 |
7067 reflections | Δρmin = −1.42 e Å−3 |
344 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 | ||
Eu1 | 0.271450 (8) | 0.582069 (19) | 0.523943 (9) | 0.02423 (8) | |
Fe1 | 0.45678 (2) | 0.25145 (5) | 0.71199 (3) | 0.02284 (12) | |
N1 | 0.36330 (19) | 0.4715 (4) | 0.6150 (2) | 0.0438 (9) | |
N2 | 0.5389 (3) | 0.0158 (5) | 0.8110 (3) | 0.0683 (14) | |
N3 | 0.5481 (2) | 0.2149 (5) | 0.5830 (2) | 0.0565 (12) | |
N4 | 0.3705 (2) | 0.2979 (5) | 0.8454 (2) | 0.0484 (10) | |
N5 | 0.5503 (2) | 0.5052 (5) | 0.7809 (3) | 0.0594 (12) | |
N6 | 0.3666 (2) | −0.0072 (4) | 0.6412 (3) | 0.0548 (11) | |
N11 | 0.4159 (2) | 0.2718 (4) | 0.4195 (2) | 0.0464 (9) | |
N21 | 0.2631 (2) | 0.7716 (7) | 0.2821 (2) | 0.0656 (14) | |
N31 | 0.16569 (19) | 0.2797 (4) | 0.6802 (2) | 0.0393 (8) | |
N41 | 0.1219 (3) | 0.2081 (6) | 0.4679 (3) | 0.0660 (13) | |
C1 | 0.39956 (18) | 0.3933 (4) | 0.6511 (2) | 0.0293 (8) | |
C2 | 0.5093 (2) | 0.1046 (4) | 0.7735 (3) | 0.0388 (10) | |
C3 | 0.51388 (19) | 0.2273 (4) | 0.6304 (2) | 0.0349 (9) | |
C4 | 0.40148 (19) | 0.2803 (4) | 0.7948 (2) | 0.0334 (8) | |
C5 | 0.5155 (2) | 0.4119 (4) | 0.7546 (2) | 0.0339 (8) | |
C6 | 0.39951 (19) | 0.0893 (4) | 0.6682 (2) | 0.0338 (8) | |
C11 | 0.4000 (3) | 0.4130 (6) | 0.4240 (3) | 0.0564 (14) | |
H11A | 0.4315 | 0.4817 | 0.4051 | 0.068* | |
C12 | 0.4767 (4) | 0.2247 (9) | 0.3858 (5) | 0.093 (2) | |
H12A | 0.5008 | 0.3106 | 0.3680 | 0.139* | |
H12B | 0.4584 | 0.1587 | 0.3493 | 0.139* | |
H12C | 0.5129 | 0.1721 | 0.4169 | 0.139* | |
C13 | 0.3732 (5) | 0.1577 (8) | 0.4477 (7) | 0.131 (4) | |
H13A | 0.3327 | 0.2026 | 0.4694 | 0.196* | |
H13B | 0.4058 | 0.1016 | 0.4805 | 0.196* | |
H13C | 0.3521 | 0.0913 | 0.4124 | 0.196* | |
C21 | 0.2829 (3) | 0.7137 (7) | 0.3471 (3) | 0.0587 (14) | |
H21A | 0.3349 | 0.6947 | 0.3557 | 0.070* | |
C22 | 0.1915 (4) | 0.8049 (19) | 0.2623 (5) | 0.208 (8) | |
H22A | 0.1606 | 0.7806 | 0.2977 | 0.312* | |
H22B | 0.1745 | 0.7480 | 0.2224 | 0.312* | |
H22C | 0.1872 | 0.9106 | 0.2523 | 0.312* | |
C23 | 0.3099 (4) | 0.8063 (13) | 0.2260 (5) | 0.129 (4) | |
H23A | 0.2776 | 0.8443 | 0.1877 | 0.194* | |
H23B | 0.3349 | 0.7163 | 0.2132 | 0.194* | |
H23C | 0.3475 | 0.8808 | 0.2409 | 0.194* | |
C31 | 0.1662 (2) | 0.4147 (5) | 0.6516 (3) | 0.0445 (11) | |
H31A | 0.1233 | 0.4741 | 0.6544 | 0.053* | |
C32 | 0.1044 (3) | 0.2215 (7) | 0.7096 (4) | 0.0701 (18) | |
H32A | 0.0640 | 0.2942 | 0.7068 | 0.105* | |
H32B | 0.1199 | 0.1983 | 0.7563 | 0.105* | |
H32C | 0.0869 | 0.1314 | 0.6861 | 0.105* | |
C33 | 0.2240 (3) | 0.1824 (7) | 0.6826 (4) | 0.080 (2) | |
H33A | 0.2651 | 0.2265 | 0.6614 | 0.120* | |
H33B | 0.2076 | 0.0915 | 0.6592 | 0.120* | |
H33C | 0.2411 | 0.1594 | 0.7291 | 0.120* | |
C41 | 0.1471 (3) | 0.3417 (6) | 0.4660 (3) | 0.0553 (13) | |
H41A | 0.1222 | 0.3855 | 0.4240 | 0.066* | |
C42 | 0.1637 (6) | 0.0791 (8) | 0.4734 (7) | 0.131 (4) | |
H42A | 0.2170 | 0.1036 | 0.4760 | 0.196* | |
H42B | 0.1500 | 0.0169 | 0.4344 | 0.196* | |
H42C | 0.1536 | 0.0259 | 0.5136 | 0.196* | |
C43 | 0.0482 (4) | 0.1865 (12) | 0.4644 (5) | 0.118 (4) | |
H43A | 0.0225 | 0.2819 | 0.4611 | 0.177* | |
H43B | 0.0361 | 0.1347 | 0.5043 | 0.177* | |
H43C | 0.0319 | 0.1270 | 0.4251 | 0.177* | |
O1W | 0.35552 (15) | 0.7768 (3) | 0.51615 (18) | 0.0444 (8) | |
O2W | 0.26578 (15) | 0.7736 (4) | 0.62169 (19) | 0.0505 (9) | |
O3W | 0.15759 (15) | 0.6869 (4) | 0.50913 (17) | 0.0451 (7) | |
O4W | 0.06700 (18) | 0.7533 (4) | 0.39143 (19) | 0.0523 (8) | |
O11 | 0.34818 (18) | 0.4610 (4) | 0.4504 (2) | 0.0520 (9) | |
O21 | 0.24661 (17) | 0.6806 (4) | 0.39742 (18) | 0.0522 (9) | |
O31 | 0.21597 (17) | 0.4688 (4) | 0.62251 (19) | 0.0505 (8) | |
O41 | 0.20856 (19) | 0.3726 (4) | 0.4674 (2) | 0.0551 (9) |
U11 | U22 | U33 | U12 | U13 | U23 | |
Eu1 | 0.01812 (8) | 0.02006 (10) | 0.03462 (13) | −0.00025 (6) | 0.00332 (6) | 0.00058 (7) |
Fe1 | 0.01293 (17) | 0.0204 (2) | 0.0358 (3) | −0.00067 (16) | 0.00512 (17) | 0.0000 (2) |
N1 | 0.0258 (15) | 0.0423 (19) | 0.062 (3) | 0.0080 (14) | 0.0004 (16) | 0.0117 (19) |
N2 | 0.052 (2) | 0.046 (2) | 0.102 (4) | 0.009 (2) | −0.014 (2) | 0.020 (3) |
N3 | 0.0393 (19) | 0.064 (3) | 0.073 (3) | −0.0083 (18) | 0.033 (2) | −0.012 (2) |
N4 | 0.0330 (17) | 0.053 (2) | 0.064 (3) | −0.0005 (16) | 0.0258 (17) | 0.000 (2) |
N5 | 0.041 (2) | 0.048 (2) | 0.086 (3) | −0.0165 (18) | −0.002 (2) | −0.014 (2) |
N6 | 0.0345 (18) | 0.040 (2) | 0.090 (3) | −0.0143 (16) | 0.0091 (19) | −0.019 (2) |
N11 | 0.0313 (16) | 0.0359 (19) | 0.073 (3) | 0.0084 (14) | 0.0118 (17) | −0.0049 (19) |
N21 | 0.0369 (19) | 0.109 (4) | 0.052 (3) | 0.019 (2) | 0.0137 (18) | 0.031 (3) |
N31 | 0.0300 (15) | 0.0272 (16) | 0.062 (2) | −0.0024 (12) | 0.0123 (15) | 0.0047 (16) |
N41 | 0.064 (3) | 0.061 (3) | 0.073 (3) | −0.039 (2) | 0.006 (2) | −0.007 (2) |
C1 | 0.0190 (13) | 0.0283 (18) | 0.041 (2) | −0.0021 (12) | 0.0034 (14) | −0.0009 (16) |
C2 | 0.0263 (16) | 0.0287 (19) | 0.061 (3) | −0.0007 (14) | 0.0015 (17) | 0.0035 (19) |
C3 | 0.0223 (15) | 0.0323 (19) | 0.051 (3) | −0.0027 (13) | 0.0088 (15) | −0.0034 (18) |
C4 | 0.0220 (14) | 0.0317 (19) | 0.047 (2) | −0.0024 (13) | 0.0053 (15) | 0.0022 (17) |
C5 | 0.0216 (14) | 0.0321 (19) | 0.048 (2) | 0.0006 (14) | 0.0044 (15) | −0.0012 (18) |
C6 | 0.0205 (14) | 0.0318 (19) | 0.050 (2) | −0.0021 (14) | 0.0069 (15) | −0.0056 (18) |
C11 | 0.043 (2) | 0.045 (3) | 0.083 (4) | 0.000 (2) | 0.016 (2) | −0.014 (3) |
C12 | 0.059 (4) | 0.094 (5) | 0.130 (7) | 0.033 (4) | 0.030 (4) | −0.012 (5) |
C13 | 0.098 (6) | 0.056 (4) | 0.250 (13) | 0.004 (4) | 0.073 (7) | 0.031 (6) |
C21 | 0.031 (2) | 0.085 (4) | 0.059 (3) | 0.003 (2) | 0.000 (2) | 0.021 (3) |
C22 | 0.055 (4) | 0.44 (2) | 0.130 (8) | 0.086 (8) | 0.024 (5) | 0.156 (12) |
C23 | 0.069 (4) | 0.211 (11) | 0.116 (7) | 0.029 (6) | 0.045 (5) | 0.082 (7) |
C31 | 0.0332 (19) | 0.041 (2) | 0.061 (3) | −0.0020 (17) | 0.0117 (19) | 0.013 (2) |
C32 | 0.042 (2) | 0.059 (3) | 0.112 (5) | −0.015 (2) | 0.023 (3) | 0.015 (3) |
C33 | 0.045 (3) | 0.051 (3) | 0.144 (7) | 0.016 (2) | 0.013 (3) | 0.011 (4) |
C41 | 0.042 (2) | 0.058 (3) | 0.065 (3) | −0.021 (2) | 0.003 (2) | −0.011 (3) |
C42 | 0.125 (8) | 0.053 (4) | 0.205 (12) | −0.027 (4) | −0.024 (8) | 0.003 (6) |
C43 | 0.075 (5) | 0.156 (8) | 0.128 (7) | −0.080 (5) | 0.033 (5) | −0.037 (6) |
O1W | 0.0295 (13) | 0.0418 (16) | 0.066 (2) | −0.0165 (12) | 0.0231 (13) | −0.0134 (15) |
O2W | 0.0266 (12) | 0.0499 (18) | 0.079 (2) | −0.0152 (12) | 0.0239 (14) | −0.0316 (17) |
O3W | 0.0245 (12) | 0.0572 (19) | 0.0528 (19) | 0.0163 (13) | 0.0001 (12) | −0.0033 (16) |
O4W | 0.0392 (15) | 0.0431 (17) | 0.070 (2) | 0.0011 (14) | −0.0150 (15) | −0.0010 (17) |
O11 | 0.0396 (16) | 0.0481 (18) | 0.071 (2) | 0.0136 (14) | 0.0164 (16) | −0.0121 (17) |
O21 | 0.0302 (14) | 0.076 (2) | 0.050 (2) | 0.0023 (15) | 0.0056 (13) | 0.0183 (18) |
O31 | 0.0339 (14) | 0.0487 (18) | 0.071 (2) | −0.0086 (13) | 0.0139 (15) | 0.0209 (17) |
O41 | 0.0390 (15) | 0.0405 (17) | 0.086 (3) | −0.0153 (14) | 0.0086 (16) | −0.0209 (18) |
Eu1—O3W | 2.204 (3) | C11—O11 | 1.180 (6) |
Eu1—O1W | 2.293 (3) | C11—H11A | 0.9300 |
Eu1—O11 | 2.353 (3) | C12—H12A | 0.9600 |
Eu1—O41 | 2.383 (3) | C12—H12B | 0.9600 |
Eu1—O31 | 2.489 (3) | C12—H12C | 0.9600 |
Eu1—N1 | 2.495 (4) | C13—H13A | 0.9600 |
Eu1—O2W | 2.589 (3) | C13—H13B | 0.9600 |
Eu1—O21 | 2.649 (3) | C13—H13C | 0.9600 |
Eu1—C41 | 3.185 (5) | C21—O21 | 1.276 (6) |
Fe1—C5 | 1.905 (4) | C21—H21A | 0.9300 |
Fe1—C6 | 1.913 (4) | C22—H22A | 0.9600 |
Fe1—C2 | 1.951 (4) | C22—H22B | 0.9600 |
Fe1—C1 | 1.951 (4) | C22—H22C | 0.9600 |
Fe1—C3 | 2.006 (4) | C23—H23A | 0.9600 |
Fe1—C4 | 2.013 (4) | C23—H23B | 0.9600 |
N1—C1 | 1.142 (5) | C23—H23C | 0.9600 |
N2—C2 | 1.167 (6) | C31—O31 | 1.200 (5) |
N3—C3 | 1.175 (6) | C31—H31A | 0.9300 |
N4—C4 | 1.202 (6) | C32—H32A | 0.9600 |
N5—C5 | 1.126 (6) | C32—H32B | 0.9600 |
N6—C6 | 1.136 (5) | C32—H32C | 0.9600 |
N11—C11 | 1.290 (6) | C33—H33A | 0.9600 |
N11—C12 | 1.386 (7) | C33—H33B | 0.9600 |
N11—C13 | 1.413 (8) | C33—H33C | 0.9600 |
N21—C22 | 1.315 (8) | C41—O41 | 1.116 (5) |
N21—C21 | 1.397 (7) | C41—H41A | 0.9800 |
N21—C23 | 1.487 (8) | C42—H42A | 0.9600 |
N31—C31 | 1.327 (5) | C42—H42B | 0.9600 |
N31—C33 | 1.340 (6) | C42—H42C | 0.9600 |
N31—C32 | 1.382 (6) | C43—H43A | 0.9600 |
N41—C41 | 1.269 (6) | C43—H43B | 0.9600 |
N41—C43 | 1.308 (8) | C43—H43C | 0.9600 |
N41—C42 | 1.360 (10) | ||
O3W—Eu1—O1W | 105.01 (12) | N6—C6—Fe1 | 178.5 (4) |
O3W—Eu1—O11 | 133.32 (13) | O11—C11—N11 | 124.5 (5) |
O1W—Eu1—O11 | 83.34 (11) | O11—C11—H11A | 117.8 |
O3W—Eu1—O41 | 83.98 (13) | N11—C11—H11A | 117.8 |
O1W—Eu1—O41 | 145.93 (12) | N11—C12—H12A | 109.5 |
O11—Eu1—O41 | 67.75 (12) | N11—C12—H12B | 109.5 |
O3W—Eu1—O31 | 81.17 (12) | H12A—C12—H12B | 109.5 |
O1W—Eu1—O31 | 131.94 (12) | N11—C12—H12C | 109.5 |
O11—Eu1—O31 | 127.05 (13) | H12A—C12—H12C | 109.5 |
O41—Eu1—O31 | 81.49 (13) | H12B—C12—H12C | 109.5 |
O3W—Eu1—N1 | 140.75 (13) | N11—C13—H13A | 109.5 |
O1W—Eu1—N1 | 88.33 (13) | N11—C13—H13B | 109.5 |
O11—Eu1—N1 | 84.11 (13) | H13A—C13—H13B | 109.5 |
O41—Eu1—N1 | 105.50 (13) | N11—C13—H13C | 109.5 |
O31—Eu1—N1 | 63.37 (11) | H13A—C13—H13C | 109.5 |
O3W—Eu1—O2W | 73.45 (11) | H13B—C13—H13C | 109.5 |
O1W—Eu1—O2W | 68.41 (10) | O21—C21—N21 | 135.3 (4) |
O11—Eu1—O2W | 146.63 (11) | O21—C21—H21A | 112.4 |
O41—Eu1—O2W | 144.26 (10) | N21—C21—H21A | 112.4 |
O31—Eu1—O2W | 68.13 (12) | N21—C22—H22A | 109.5 |
N1—Eu1—O2W | 77.89 (13) | N21—C22—H22B | 109.5 |
O3W—Eu1—O21 | 71.22 (12) | H22A—C22—H22B | 109.5 |
O1W—Eu1—O21 | 74.34 (12) | N21—C22—H22C | 109.5 |
O11—Eu1—O21 | 67.14 (12) | H22A—C22—H22C | 109.5 |
O41—Eu1—O21 | 77.91 (13) | H22B—C22—H22C | 109.5 |
O31—Eu1—O21 | 146.92 (10) | N21—C23—H23A | 109.5 |
N1—Eu1—O21 | 147.63 (11) | N21—C23—H23B | 109.5 |
O2W—Eu1—O21 | 118.46 (12) | H23A—C23—H23B | 109.5 |
O3W—Eu1—C41 | 69.66 (14) | N21—C23—H23C | 109.5 |
O1W—Eu1—C41 | 154.95 (14) | H23A—C23—H23C | 109.5 |
O11—Eu1—C41 | 83.66 (13) | H23B—C23—H23C | 109.5 |
O41—Eu1—C41 | 16.18 (13) | O31—C31—N31 | 127.3 (4) |
O31—Eu1—C41 | 72.51 (14) | O31—C31—H31A | 116.3 |
N1—Eu1—C41 | 111.50 (15) | N31—C31—H31A | 116.3 |
O2W—Eu1—C41 | 129.06 (12) | N31—C32—H32A | 109.5 |
O21—Eu1—C41 | 80.89 (14) | N31—C32—H32B | 109.5 |
C5—Fe1—C6 | 178.84 (16) | H32A—C32—H32B | 109.5 |
C5—Fe1—C2 | 91.32 (18) | N31—C32—H32C | 109.5 |
C6—Fe1—C2 | 88.47 (18) | H32A—C32—H32C | 109.5 |
C5—Fe1—C1 | 90.72 (17) | H32B—C32—H32C | 109.5 |
C6—Fe1—C1 | 89.53 (16) | N31—C33—H33A | 109.5 |
C2—Fe1—C1 | 177.20 (15) | N31—C33—H33B | 109.5 |
C5—Fe1—C3 | 98.17 (17) | H33A—C33—H33B | 109.5 |
C6—Fe1—C3 | 80.75 (16) | N31—C33—H33C | 109.5 |
C2—Fe1—C3 | 100.78 (18) | H33A—C33—H33C | 109.5 |
C1—Fe1—C3 | 80.81 (16) | H33B—C33—H33C | 109.5 |
C5—Fe1—C4 | 80.24 (17) | O41—C41—N41 | 124.8 (6) |
C6—Fe1—C4 | 100.83 (16) | O41—C41—Eu1 | 36.5 (3) |
C2—Fe1—C4 | 79.29 (18) | N41—C41—Eu1 | 147.7 (4) |
C1—Fe1—C4 | 99.18 (16) | O41—C41—H41A | 105.6 |
C3—Fe1—C4 | 178.42 (16) | N41—C41—H41A | 105.6 |
C1—N1—Eu1 | 165.7 (4) | Eu1—C41—H41A | 105.6 |
C11—N11—C12 | 120.8 (5) | N41—C42—H42A | 109.5 |
C11—N11—C13 | 122.7 (5) | N41—C42—H42B | 109.5 |
C12—N11—C13 | 116.5 (6) | H42A—C42—H42B | 109.5 |
C22—N21—C21 | 119.7 (5) | N41—C42—H42C | 109.5 |
C22—N21—C23 | 108.8 (6) | H42A—C42—H42C | 109.5 |
C21—N21—C23 | 131.5 (5) | H42B—C42—H42C | 109.5 |
C31—N31—C33 | 123.9 (4) | N41—C43—H43A | 109.5 |
C31—N31—C32 | 124.1 (4) | N41—C43—H43B | 109.5 |
C33—N31—C32 | 112.0 (5) | H43A—C43—H43B | 109.5 |
C41—N41—C43 | 119.0 (7) | N41—C43—H43C | 109.5 |
C41—N41—C42 | 127.0 (6) | H43A—C43—H43C | 109.5 |
C43—N41—C42 | 114.1 (7) | H43B—C43—H43C | 109.5 |
N1—C1—Fe1 | 176.7 (3) | C11—O11—Eu1 | 164.5 (4) |
N2—C2—Fe1 | 178.2 (4) | C21—O21—Eu1 | 140.5 (3) |
N3—C3—Fe1 | 179.0 (4) | C31—O31—Eu1 | 155.2 (3) |
N4—C4—Fe1 | 178.0 (4) | C41—O41—Eu1 | 127.3 (4) |
N5—C5—Fe1 | 178.7 (5) |
Experimental details
Crystal data | |
Chemical formula | [EuFe(CN)6(C3H7NO)4(H2O)3]·H2O |
Mr | 728.38 |
Crystal system, space group | Monoclinic, P21/n |
Temperature (K) | 293 |
a, b, c (Å) | 17.633 (4), 8.8791 (18), 19.831 (4) |
β (°) | 96.12 (3) |
V (Å3) | 3087.2 (11) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 2.54 |
Crystal size (mm) | 0.80 × 0.40 × 0.40 |
Data collection | |
Diffractometer | Rigaku AFC-7R diffractometer |
Absorption correction | ψ scan |
Tmin, Tmax | 0.747, 0.999 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 7448, 7067, 5832 |
Rint | 0.050 |
(sin θ/λ)max (Å−1) | 0.725 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.033, 0.095, 1.01 |
No. of reflections | 7067 |
No. of parameters | 344 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 1.64, −1.42 |
Computer programs: TEXSAN (Molecular Structure Corporation, 1999), TEXSAN, SHELXS97 (Sheldrick, 1997), SHELXL97 (Sheldrick, 1997), SHELXTL (Bruker, 1998), SHELXTL.
Eu1—O3W | 2.204 (3) | Eu1—N1 | 2.495 (4) |
Eu1—O1W | 2.293 (3) | Eu1—O2W | 2.589 (3) |
Eu1—O11 | 2.353 (3) | Eu1—O21 | 2.649 (3) |
Eu1—O41 | 2.383 (3) | N1—C1 | 1.142 (5) |
Eu1—O31 | 2.489 (3) | ||
C1—N1—Eu1 | 165.7 (4) | N1—C1—Fe1 | 176.7 (3) |
In 1998, Kou et al. first obtained a dinuclear cyano-bridged Ln–Fe complex, [SmFe(CN)6(DMF)4(H2O)4]·H2O (Kou et al., 1998; (DMF is dimethylformamide), using Sm(NO3)3 as starting material. Whereafter, in 2000, the group of Kautz reported lighter and heavier rare-earth ions ferrocyanide bimetallic complexes [LnFe(CN)6(DMF)4(H2O)3]·H2O (Ln = La, Ce, Er, Yb and Lu; Kautz et al., 2000; Mullica et al., 2000). It is interesting that various amounts of coordinated water molecules have been found in these complexes. When Ln = Sm there are four coordinated water molecules in the complex, however, when Ln = La, Ce, Er, Yb and Lu, three coordinated water molecules have been found. In order to further investigate the influence of lanthanide contraction on the composition and structure of complexes, we synthesized a dinuclear Fe–Eu complex, viz. [EuFe(CN)6(DMF)4(H2O)3]·H2O, (I), the crystal structure of which is reported here.
As shown in Fig. 1, the structure of (I) is comprised of neutral bimetallic EuFe(CN)6(DMF)4(H2O)3 complex molecules and a solvent water molecule. The FeIII and EuIII ions are bridged by a cyanide group to form a dimer. The EuIII ion is eightfold coordinated with one N atom of the bridging cyanide [Eu—N = 2.495 (4) Å] group and seven O atoms of four DMF molecules [Eu—ODMF = 2.353 (3)–2.649 (3) Å, with an average distance of 2.469 (3) Å] and three water molecules, in which the three Eu—Owater dustances are in the range 2.204 (3)–2.589 (3) Å, with an average distance of 2.362 (3) Å. The coordination polyhedron can been described as a slightly distorted square antiprism. A similar situation has been found in [Ln(Fe(CN)6(DMF)4(H2O)3]·H2O (Mullica et al., 2000), where the FeIII ion is approximately octahedrally coordinated by six cyanide groups. The Eu1—N1—C1 angle is 165.7 (4)°, deviating slightly from linearity as the case found in analogA tThree-dimensional framework is formed through O—H···O and O—H···N hydrogen-bonding interactions, with O···O distances of 2.748 (3) Å and average O···N separations of 2.706 (3) Å.