Synthetic and Structural Studies of the Coordination Behavior of 2-Pyridylbis(diphenylphosphino)methane
Joel T. Mague; Jamin L. Krinsky; Inorganic Chemistry 40 (2001) 1962–1971; doi:10.1021/ic001266+

data_4327568
_publ_section_title
;
 Synthetic and Structural Studies of the Coordination Behavior of
 2-Pyridylbis(diphenylphosphino)methane
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              1962
_journal_page_last               1971
_journal_paper_doi               10.1021/ic001266+
_journal_volume                  40
_journal_year                    2001
_chemical_formula_moiety
'((((C6 H5)2 P)2 C H (C5 H4 N)) Cl2 Cd)2 (C H3 O H)2'
_chemical_formula_sum            'C32 H33 Cd Cl2 N O2 P2'
_chemical_formula_weight         708.83
_chemical_name_systematic
; 
 Dichlorobis(mu-chloro)bis(2-pyridylbis(diphenylphosphino)methane)dicadmium  
 Methanol solvate
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     Patterson
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                87.710(14)
_cell_angle_beta                 68.52(2)
_cell_angle_gamma                62.25(2)
_cell_formula_units_Z            2
_cell_length_a                   11.167(2)
_cell_length_b                   11.957(2)
_cell_length_c                   15.079(3)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      24.55
_cell_measurement_theta_min      18.74
_cell_volume                     1637.1(7)
_computing_cell_refinement       'CAD-4 Software (Enraf-Nonius, 1989)'
_computing_data_collection       'CAD-4 Software (Enraf-Nonius, 1989)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1987)'
_computing_molecular_graphics    'SHELXTL (Bruker AXS, 1997)'
_computing_publication_material  'SHELXTL (Bruker AXS, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measurement_device_type  'Enraf-Nonius CAD-4'
_diffrn_measurement_method       '\q/2\q scans'
_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  0.0206
_diffrn_reflns_av_sigmaI/netI    0.0535
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            6772
_diffrn_reflns_theta_max         26.01
_diffrn_reflns_theta_min         1.95
_diffrn_standards_decay_%        5.6
_diffrn_standards_interval_time  120
_diffrn_standards_number         2
_exptl_absorpt_coefficient_mu    0.956
_exptl_absorpt_correction_T_max  0.8209
_exptl_absorpt_correction_T_min  0.7599
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   '\y scan (North, et al., 1968)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.438
_exptl_crystal_description       Column
_exptl_crystal_F_000             720
_exptl_crystal_size_max          0.53
_exptl_crystal_size_mid          0.33
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.597
_refine_diff_density_min         -0.493
_refine_diff_density_rms         0.079
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_all   1.049
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     361
_refine_ls_number_reflns         6421
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0739
_refine_ls_R_factor_gt           0.0329
_refine_ls_shift/su_max          -0.100
_refine_ls_shift/su_mean         0.004
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
' w=1/[\s^2^(Fo^2^)+(0.0452P)^2^+0.6998P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0829
_refine_ls_wR_factor_ref         0.0942
_reflns_number_gt                4699
_reflns_number_total             6424
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0012662B_02.cif
_cod_data_source_block           2
_cod_original_cell_volume        1637.2(5)
_cod_database_code               4327568