4-Phosphino-Substituted N-Heterocyclic Carbenes (NHCs) from the Abnormal Reaction of NHCs with Phosphaalkenes
Bates, Joshua I.; Gates, Derek P.; Organometallics 31 (2012) 4529–; doi:10.1021/om3003174

data_4078552
_publ_section_title
;
 4-Phosphino-Substituted N-Heterocyclic Carbenes (NHCs) from the Abnormal
 Reaction of NHCs with Phosphaalkenes
;
_journal_issue                   12
_journal_name_full               Organometallics
_journal_page_first              4529
_journal_paper_doi               10.1021/om3003174
_journal_volume                  31
_journal_year                    2012
_chemical_formula_moiety         'C42 H44 N3 P, 0.5(C6 H6)'
_chemical_formula_sum            'C45 H47 N3 P'
_chemical_formula_weight         660.83
_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_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 117.373(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   30.427(4)
_cell_length_b                   14.9796(19)
_cell_length_c                   18.825(2)
_cell_measurement_reflns_used    9162
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.0
_cell_measurement_theta_min      1.8
_cell_volume                     7619.4(16)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker X8 APEX 2'
_diffrn_measurement_method       'area detector'
_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  0.1151
_diffrn_reflns_av_sigmaI/netI    0.1833
_diffrn_reflns_limit_h_max       38
_diffrn_reflns_limit_h_min       -40
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            34727
_diffrn_reflns_theta_full        28.05
_diffrn_reflns_theta_max         28.05
_diffrn_reflns_theta_min         1.75
_exptl_absorpt_coefficient_mu    0.107
_exptl_absorpt_correction_T_max  0.989
_exptl_absorpt_correction_T_min  0.813
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.152
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2824
_exptl_crystal_size_max          0.7
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.308
_refine_diff_density_min         -0.293
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.972
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     460
_refine_ls_number_reflns         9162
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.972
_refine_ls_R_factor_all          0.2112
_refine_ls_R_factor_gt           0.0673
_refine_ls_shift/su_max          0.043
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0628P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1232
_refine_ls_wR_factor_ref         0.1673
_reflns_number_gt                3694
_reflns_number_total             9162
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om3003174_si_001.cif
_cod_data_source_block           dg116_0m_Compound_1b
_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_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        7619.3(16)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4078552