#------------------------------------------------------------------------------ #$Date: 2011-09-28 17:24:46 +0300 (Wed, 28 Sep 2011) $ #$Revision: 26848 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/00/34/2003497.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_2003497 _journal_name_full 'Acta Crystallographica C' _journal_volume 51 _journal_year 1995 _journal_page_first 811 _journal_page_last 813 _publ_section_title ; Pentacarbonyl-1\kC,2\k^4^C-bis[1,1(\h^5^)-cyclopentadienyl]- (dimethylphenylphosphine-2\kP)-\m-dimethylphosphanido-niobiumtungsten ; _chemical_formula_moiety 'C25 H27 Nb1 O5 P2 W1' _chemical_formula_sum 'C25 H27 Nb O5 P2 W' _[local]_cod_chemical_formula_sum_orig 'C25 H27 Nb1 O5 P2 W1' _chemical_formula_weight 746.20 loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2+x,y,1/2-z' 'x,1/2-y,1/2+z' '1/2-x,1/2+y,z' '-x,-y,-z' '1/2-x,-y,1/2+z' '-x,1/2+y,1/2-z' '1/2+x,1/2-y,-z' _symmetry_space_group_name_H-M 'P b c a' _cell_length_a 14.290(3) _cell_length_b 13.571(2) _cell_length_c 27.314(8) _cell_angle_alpha 90. _cell_angle_beta 90. _cell_angle_gamma 90. _cell_volume 5297 _cell_formula_units_Z 8 _exptl_crystal_density_diffrn 1.871 _exptl_crystal_density_meas ? _diffrn_radiation_type 'MoK\a' _diffrn_radiation_wavelength 0.71073 _cell_measurement_reflns_used 25 _cell_measurement_theta_min 10 _cell_measurement_theta_max 18 _exptl_absorpt_coefficient_mu 4.999 _cell_measurement_temperature 296 _exptl_crystal_description 'rhombic bipyramidal' _exptl_crystal_size_max 0.30 _exptl_crystal_size_mid 0.15 _exptl_crystal_size_min 0.15 _exptl_crystal_size_rad ? _exptl_crystal_colour 'deep red' _chemical_compound_source 'from acetone' _diffrn_measurement_device 'Enraf-Nonius CAD-4' _diffrn_measurement_method '\w-2\q' _exptl_absorpt_correction_type 'empirical (DIFABS; Walker & Stuart, 1983)' _exptl_absorpt_correction_T_min 0.8122 _exptl_absorpt_correction_T_max 1.0621 _diffrn_reflns_number 5653 _reflns_number_total 5192 _reflns_number_observed 2360 _reflns_observed_criterion I>=3\s(I) _diffrn_reflns_av_R_equivalents 0.048 _diffrn_reflns_theta_max 25 _diffrn_reflns_limit_h_min 0 _diffrn_reflns_limit_h_max 17 _diffrn_reflns_limit_k_min 0 _diffrn_reflns_limit_k_max 16 _diffrn_reflns_limit_l_min -2 _diffrn_reflns_limit_l_max 32 _diffrn_standards_number 3 _diffrn_standards_interval_count ? _diffrn_standards_interval_time 120 _diffrn_standards_decay_% -5.5 _refine_ls_structure_factor_coef F _refine_ls_R_factor_obs 0.043 _refine_ls_wR_factor_obs 0.051 _refine_ls_goodness_of_fit_obs 2.220 _refine_ls_number_reflns 2360 _refine_ls_number_parameters 307 _refine_ls_hydrogen_treatment 'noref' _refine_ls_weighting_scheme 'w = 1/[\s(I)^2^ + (0.05I)^2^]^1/2^' _refine_ls_shift/esd_max 0.24 _refine_diff_density_max 0.7 _refine_diff_density_min 0.6 _refine_ls_extinction_method 'none ?' _refine_ls_extinction_coef ? _atom_type_scat_source 'IntTabIV' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_B_iso_or_equiv W .37398(5) .58129(4) .38582(2) 2.699(9) Nb .6280(1) .7720(1) .43782(5) 2.95(3) P(1) .5129(3) .7017(3) .3693(3) 2.86(8) P(2) .3477(3) .5263(3) .2986(2) 3.7(1) C(1) .691(1) .852(1) .3833(7) 4.2(4) C(2) .267(1) .498(1) .4015(6) 3.9(4) C(3) .461(1) .467(1) .3932(6) 4.2(4) C(4) .283(1) .691(1) .3768(6) 3.3(3) C(5) .390(1) .606(1) .4576(6) 3.6(4) O(1) .731(1) .904(1) .3590(5) 7.2(4) O(2) .2031(9) .450(1) .4115(5) 6.5(3) O(3) .505(1) .396(1) .3999(5) 8.5(4) O(4) .224(1) .751(1) .3721(6) 7.0(4) O(5) .395(1) .6121(9) .4990(4) 6.3(4) C(6) .467(1) .810(1) .3359(6) 3.9(4) C(7) .588(1) .653(2) .3228(6) 5.3(5) C(8) .383(2) .403(1) .2852(7) 7.9(7) C(9) .226(1) .515(2) .2837(7) 9.4(7) C(10) .387(2) .597(1) .2449(6) 4.3(4) C(11) .455(2) .564(2) .2140(8) 6.3(6) C(12) .486(2) .623(2) .1761(9) 10.4(8) C(13) .439(2) .707(2) .1679(9) 13.4(6) C(14) .377(2) .746(2) .1976(9) 12.4(8) C(15) .350(1) .687(1) .2353(7) 5.2(5) C(16) .523(1) .814(1) .5019(7) 4.2(4) C(17) .479(1) .847(1) .4606(6) 3.8(4) C(18) .537(1) .918(1) .4396(7) 4.5(4) C(19) .614(1) .932(1) .4719(8) 5.7(5) C(20) .608(2) .864(1) .5086(7) 5.3(5) C(21) .669(1) .599(1) .4337(7) 4.5(4) C(22) .740(1) .654(1) .4095(7) 4.5(4) C(23) .785(1) .714(2) .4437(8) 5.6(5) C(24) .739(1) .697(1) .4890(8) 5.7(5) C(25) .669(2) .627(1) .4798(7) 6.0(5) Cp(1) .552 .875 .476 ? Cp(2) .720 .658 .451 ? H(61) .425 .845 .356 4.9 H(62) .518 .852 .327 4.9 H(63) .436 .789 .307 4.9 H(71) .618 .595 .335 6.7 H(72) .552 .637 .295 6.7 H(73) .634 .701 .314 6.7 H(81) .448 .397 .291 9.6 H(82) .349 .359 .305 9.6 H(83) .370 .389 .252 9.6 H(91) .196 .577 .289 11.3 H(92) .219 .497 .250 11.3 H(93) .198 .466 .304 11.3 H(11) .481 .501 .218 8.3 H(12) .539 .606 .157 13.3 H(13) .453 .741 .138 16.2 H(14) .351 .810 .192 14.5 H(15) .304 .711 .257 6.9 H(16) .498 .765 .523 5.5 H(17) .420 .825 .448 5.1 H(18) .528 .951 .409 5.8 H(19) .661 .981 .469 7.5 H(20) .653 .852 .533 7.1 H(21) .629 .551 .419 5.9 H(22) .754 .650 .376 5.9 H(23) .836 .758 .438 7.4 H(24) .753 .727 .520 7.5 H(25) .627 .603 .504 7.3 _cod_database_code 2003497