Convenient Preparation and Detailed Analysis of a Series of NHC-Stabilized Phosphorus(I) Dyes and Their Derivatives.
Macdonald, Charles L. B.; Binder, Justin F.; Swidan, Ala'aeddeen; Nguyen, Jennifer H.; Kosnik, Stephanie C.; Ellis, Bobby D.; Inorganic chemistry 55 (2016) 7152–7166; doi:10.1021/acs.inorgchem.6b01163

data_4348450
_publ_section_title
;
 Convenient Preparation and Detailed Analysis of a Series of
 NHC-Stabilized Phosphorus(I) Dyes and Their Derivatives.
;
_journal_issue                   14
_journal_name_full               'Inorganic chemistry'
_journal_page_first              7152
_journal_page_last               7166
_journal_paper_doi               10.1021/acs.inorgchem.6b01163
_journal_volume                  55
_journal_year                    2016
_chemical_formula_moiety         'C22 H28 N4 P, Br, 0.36(C2 H3 N)'
_chemical_formula_sum            'C22.72 H29.07 Br N4.36 P'
_chemical_formula_weight         474.04
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2012
_cell_angle_alpha                90
_cell_angle_beta                 94.823(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.5586(9)
_cell_length_b                   14.5318(13)
_cell_length_c                   12.9162(12)
_cell_measurement_reflns_used    9946
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      26.28
_cell_measurement_theta_min      3.17
_cell_volume                     2348.8(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2012 (Sheldrick, 2012)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0905
_diffrn_reflns_av_unetI/netI     0.0394
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            58792
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.397
_diffrn_reflns_theta_min         3.166
_exptl_absorpt_coefficient_mu    1.835
_exptl_absorpt_correction_T_max  0.861
_exptl_absorpt_correction_T_min  0.803
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; Bruker, 2013'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.341
_exptl_crystal_description       Prism
_exptl_crystal_F_000             983
_exptl_crystal_size_max          0.197
_exptl_crystal_size_mid          0.146
_exptl_crystal_size_min          0.081
_refine_diff_density_max         0.951
_refine_diff_density_min         -0.591
_refine_diff_density_rms         0.073
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     267
_refine_ls_number_reflns         4812
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0466
_refine_ls_R_factor_gt           0.0371
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 w=1/[\s^2^(Fo^2^)+(0.0479P)^2^+1.8681P]
 where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0918
_refine_ls_wR_factor_ref         0.0978
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4109
_reflns_number_total             4812
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ic6b01163_si_002.cif
_cod_data_source_block           shelx
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4348450
_shelxl_version_number           2012-9
_shelx_res_checksum              688
_shelx_hkl_checksum              58055