Influence of the d-Electron Count on CO Binding by Three-Coordinate [(tBu2PCH2SiMe2)2N]Fe, -Co, and -Ni
Michael J. Ingleson; Benjamin C. Fullmer; Drew T. Buschhorn; Hongjun Fan; Maren Pink; John C. Huffman; Kenneth G. Caulton; Inorganic Chemistry 47 (2008) 407–409; doi:10.1021/ic7023764

data_4304797
_publ_contact_author             'J.C. Huffman'
_publ_section_title
;
Influence of the d-Electron Count on CO Binding by Three-Coordinate
[(tBu2PCH2SiMe2)2N]Fe, -Co, and -Ni
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              407
_journal_page_last               409
_journal_paper_doi               10.1021/ic7023764
_journal_volume                  47
_journal_year                    2008
_chemical_formula_moiety         'C24 H52 Fe N O2 P2 Si2'
_chemical_formula_structural     Fe(CO)2(C22H52NP2)
_chemical_formula_sum            'C24 H52 Fe N O2 P2 Si2'
_chemical_formula_weight         560.64
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             08/16/2005
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 112.671(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.558(3)
_cell_length_b                   9.9693(16)
_cell_length_c                   15.990(3)
_cell_measurement_reflns_used    1708
_cell_measurement_temperature    128(2)
_cell_measurement_theta_max      26.82
_cell_measurement_theta_min      2.47
_cell_volume                     3023.9(9)
_computing_cell_refinement       'SAINT (Bruker, 1999)'
_computing_data_collection       'SMART (Bruker, 1999)'
_computing_data_reduction        'SAINT (Bruker, 1999), XTEL (local package)'
_computing_molecular_graphics    'Reciprocal Net (http://recipnet.org)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      128(2)
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 44.52
_diffrn_detector_type            'Bruker SMART 6000'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_details
'   0.30 degree frames measured for 30.16 seconds each'
_diffrn_measurement_device       'three-circle goniometer with fixed chi'
_diffrn_measurement_device_type  'Bruker Platform goniometer'
_diffrn_measurement_method       '\w 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  0.1003
_diffrn_reflns_av_sigmaI/netI    0.0432
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            43507
_diffrn_reflns_theta_full        27.56
_diffrn_reflns_theta_max         27.56
_diffrn_reflns_theta_min         2.15
_diffrn_standards_decay_%        0.0
_exptl_absorpt_coefficient_mu    0.704
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8561
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.231
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'elongated plate'
_exptl_crystal_F_000             1212
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.416
_refine_diff_density_min         -0.382
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.069
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     301
_refine_ls_number_reflns         3486
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0616
_refine_ls_R_factor_gt           0.0437
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0508P)^2^+2.8763P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1053
_refine_ls_wR_factor_ref         0.1116
_reflns_number_gt                2680
_reflns_number_total             3486
_reflns_threshold_expression     &gt;2sigma(I)
_cod_data_source_file            ic7023764-file006.cif
_cod_data_source_block           05234
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_cell_volume        3023.9(8)
_cod_original_sg_symbol_Hall     '-C 2yc  '
_cod_original_sg_symbol_H-M      'C 2/c  '
_cod_database_code               4304797