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_4348428
_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         'C14 H24 N4 P S2, Br'
_chemical_formula_sum            'C14 H24 Br N4 P S2'
_chemical_formula_weight         423.37
_space_group_crystal_system      orthorhombic
_space_group_IT_number           43
_space_group_name_Hall           'F 2 -2d'
_space_group_name_H-M_alt        'F d d 2'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2012
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   20.7880(16)
_cell_length_b                   12.8659(7)
_cell_length_c                   14.3885(9)
_cell_measurement_reflns_used    4300
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.06
_cell_measurement_theta_min      3.44
_cell_volume                     3848.3(4)
_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  0.1034
_diffrn_reflns_av_unetI/netI     0.0544
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            24271
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.159
_diffrn_reflns_theta_min         3.444
_exptl_absorpt_coefficient_mu    2.438
_exptl_absorpt_correction_T_max  0.929
_exptl_absorpt_correction_T_min  0.851
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS;Bruker,2012
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.461
_exptl_crystal_description       prism
_exptl_crystal_F_000             1744
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.097
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.369
_refine_diff_density_min         -0.231
_refine_diff_density_rms         0.065
_refine_ls_abs_structure_details
;
 Flack x determined using 781 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons and Flack (2004), Acta Cryst. A60, s61).
;
_refine_ls_abs_structure_Flack   0.100(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     105
_refine_ls_number_reflns         2360
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.0549
_refine_ls_R_factor_gt           0.0347
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 w=1/[\s^2^(Fo^2^)+(0.0274P)^2^+0.4632P]
 where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0643
_refine_ls_wR_factor_ref         0.0700
_reflns_Friedel_coverage         0.924
_reflns_Friedel_fraction_full    0.998
_reflns_Friedel_fraction_max     0.996
_reflns_number_gt                1898
_reflns_number_total             2360
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ic6b01163_si_018.cif
_cod_data_source_block           shelx
_cod_database_code               4348428
_shelxl_version_number           2012-9
_shelx_res_checksum              51836
_shelx_hkl_checksum              68743