Preparation and Characterization of the Argentates: [Ag{P(CF3)2}2]-, [Ag{(μ-P(CF3)2)M(CO)5}2]- (M = Cr, W), and [Ag{(μ-P(C6F5)2)W(CO)5}2]-: X-ray Crystal Structure of [K(18-crown-6)][Ag{(μ-P(CF3)2)Cr(CO)5}2]
Berthold Hoge; Christoph Thösen; Tobias Herrmann; Ashwani Vij; Inorganic Chemistry 43 (2004) 1659–1666; doi:10.1021/ic034936v

data_4310659
_publ_section_title
;
 Preparation and Characterization of the Argentates: [Ag{P(CF3)2}2]-,
 [Ag{(\m-P(CF3)2)M(CO)5}2]- (M = Cr, W), and [Ag{(\m-P(C6F5)2)W(CO)5}2]-:
 X-ray Crystal Structure of [K(18-crown-6)][Ag{(\m-P(CF3)2)Cr(CO)5}2]
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              1659
_journal_page_last               1666
_journal_paper_doi               10.1021/ic034936v
_journal_volume                  43
_journal_year                    2004
_chemical_formula_sum            'C26 H24 Ag Cr2 F12 K O16 P2'
_chemical_formula_weight         1133.36
_space_group_IT_number           43
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'F 2 -2d'
_symmetry_space_group_name_H-M   'F d d 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   29.702(6)
_cell_length_b                   15.845(3)
_cell_length_c                   17.870(4)
_cell_measurement_temperature    293(2)
_cell_volume                     8410(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0563
_diffrn_reflns_av_sigmaI/netI    0.0424
_diffrn_reflns_limit_h_max       33
_diffrn_reflns_limit_h_min       -33
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            16308
_diffrn_reflns_theta_full        24.13
_diffrn_reflns_theta_max         24.13
_diffrn_reflns_theta_min         1.85
_exptl_absorpt_coefficient_mu    1.260
_exptl_absorpt_correction_T_max  0.4306
_exptl_absorpt_correction_T_min  0.2552
_exptl_absorpt_correction_type   numerical
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.790
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       column
_exptl_crystal_F_000             4480
_exptl_crystal_size_max          0.05
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.488
_refine_diff_density_min         -0.332
_refine_diff_density_rms         0.066
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.04(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.006
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     353
_refine_ls_number_reflns         3311
_refine_ls_number_restraints     217
_refine_ls_restrained_S_all      0.994
_refine_ls_R_factor_all          0.0362
_refine_ls_R_factor_gt           0.0284
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0255P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0529
_refine_ls_wR_factor_ref         0.0545
_reflns_number_gt                2867
_reflns_number_total             3311
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic034936vsi20031201_070801.cif
_cod_data_source_block           bhcrown
_cod_database_code               4310659