Sterically hindered iminophosphorane complexes of vanadium, iron, cobalt and nickel: a synthetic, structural and catalytic study †
Al-Benna, Sarah; Sarsfield, Mark J.; Thornton-Pett, Mark; Ormsby, Daniel L.; Maddox, Peter J.; Brès, Philippe; Bochmann, Manfred; Journal of the Chemical Society, Dalton Transactions  (2000) 4247–; doi:10.1039/b006329k

data_7010130
_publ_section_title
;
 Sterically hindered iminophosphorane complexes of vanadium, iron,
 cobalt and nickel: a synthetic, structural and catalytic
 study&#x200A;&#x2020;
;
_journal_issue                   23
_journal_name_full
'Journal of the Chemical Society, Dalton Transactions'
_journal_page_first              4247
_journal_paper_doi               10.1039/b006329k
_journal_year                    2000
_chemical_formula_sum            'C50 H57 Br Cl2 N2 Ni P2'
_chemical_formula_weight         957.44
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 107.9940(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.00350(10)
_cell_length_b                   21.2311(2)
_cell_length_c                   18.15510(10)
_cell_measurement_reflns_used    77375
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      1.0
_cell_volume                     4767.08(7)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1996)'
_computing_data_collection       'COLLECT (Nonius, 1998)'
_computing_data_reduction        'DENZO-SMN (Otwinowski & Minor, 1996)'
_computing_molecular_graphics    'ORTEX (McArdle, 1995)'
_computing_publication_material  'local program'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type
'Nonius KappaCCD area detector diffractometer'
_diffrn_measurement_method
;
   Detector set at 30mm from sample with different 2theta offsets 
   1 degree phi exposures for chi=0 degree settings
   1 degree omega exposures for chi=90 degree settings
;
_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  0.0106
_diffrn_reflns_av_sigmaI/netI    0.0202
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            77373
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.96
_exptl_absorpt_coefficient_mu    1.460
_exptl_absorpt_correction_T_max  0.8329
_exptl_absorpt_correction_T_min  0.5532
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
 Using multiple and symmetry-related data measurements via the program SORTAV
 See R.H. Blessing, Acta Cryst (1995), A51, 33-38 
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.334
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1992
_exptl_crystal_size_max          0.46
_exptl_crystal_size_mid          0.39
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.710
_refine_diff_density_min         -0.749
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     535
_refine_ls_number_reflns         9352
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0307
_refine_ls_R_factor_gt           0.0272
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0302P)^2^+3.8638P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0678
_refine_ls_wR_factor_ref         0.0702
_reflns_number_gt                8606
_reflns_number_total             9352
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b006329k.txt
_cod_data_source_block           mb52
_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        4767.08(6)
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7010130