N-Heterocyclic Phosphenium Ligands as Sterically and Electronically-Tunable Isolobal Analogues of Nitrosyls
Baofei Pan; Zhequan Xu; Mark W. Bezpalko; Bruce M. Foxman; Christine M. Thomas; Inorganic Chemistry 51 (2012) 4170–4179; doi:10.1021/ic202581v

data_4328798
_publ_section_title
;
 N-Heterocyclic Phosphenium Ligands as Sterically and
 Electronically-Tunable Isolobal Analogues of Nitrosyls
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4170
_journal_page_last               4179
_journal_paper_doi               10.1021/ic202581v
_journal_volume                  51
_journal_year                    2012
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C50 H44 Br1 N2 P3 Pt1'
_chemical_formula_sum            'C50 H44 Br N2 P3 Pt'
_chemical_formula_weight         1040.83
_space_group_IT_number           7
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P -2yac'
_symmetry_space_group_name_H-M   'P 1 n 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_audit_creation_date             11-07-12
_audit_creation_method           CRYSTALS_ver_14.23
_cell_angle_alpha                90
_cell_angle_beta                 104.561(5)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   11.8663(13)
_cell_length_b                   10.6254(11)
_cell_length_c                   16.7653(19)
_cell_measurement_reflns_used    9856
_cell_measurement_temperature    120
_cell_measurement_theta_max      30
_cell_measurement_theta_min      3
_cell_volume                     2045.9(4)
_computing_cell_refinement       'Apex2 (Bruker AXS, 2006)'
_computing_data_collection       'Apex2 (Bruker AXS, 2006)'
_computing_data_reduction        'Apex2 (Bruker AXS, 2006)'
_computing_molecular_graphics    'CAMERON (Watkin et al., 1996)'
_computing_publication_material  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_refinement  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      120
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device       Area
_diffrn_measurement_device_type  'Bruker Kappa Apex2'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.022
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            11320
_diffrn_reflns_theta_full        30.038
_diffrn_reflns_theta_max         30.038
_diffrn_reflns_theta_min         1.897
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    4.562
_exptl_absorpt_correction_T_max  0.42
_exptl_absorpt_correction_T_min  0.20
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Siemens, 1996)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.689
_exptl_crystal_description       prism
_exptl_crystal_F_000             1032
_exptl_crystal_size_max          0.510
_exptl_crystal_size_mid          0.358
_exptl_crystal_size_min          0.192
_refine_diff_density_max         0.96
_refine_diff_density_min         -0.99
_refine_ls_abs_structure_details 'Flack (1983), 5401 Friedel-pairs'
_refine_ls_abs_structure_Flack   0.000(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.0000
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     520
_refine_ls_number_reflns         11320
_refine_ls_number_restraints     2
_refine_ls_R_factor_all          0.0166
_refine_ls_R_factor_gt           0.0157
_refine_ls_shift/su_max          0.0056707
_refine_ls_shift/su_mean         0.0002610
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 Method, part 1, Chebychev polynomial, (Watkin, 1994, Prince, 1982) 
 [weight] = 1.0/[A~0~*T~0~(x)+A~1~*T~1~(x) ... +A~n-1~]*T~n-1~(x)] 
 where A~i~ are the Chebychev coefficients listed below and x= Fcalc/Fmax 
 Method = Robust Weighting (Prince, 1982) 
 W = [weight] * [1-(deltaF/6*sigmaF)^2^]^2^ 
 A~i~ are: 
 1.15 1.48 0.427 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.0396
_refine_ls_wR_factor_gt          0.0391
_refine_ls_wR_factor_ref         0.0396
_reflns_limit_h_max              16
_reflns_limit_h_min              -16
_reflns_limit_k_max              14
_reflns_limit_k_min              0
_reflns_limit_l_max              23
_reflns_limit_l_min              -23
_reflns_number_gt                10934
_reflns_number_total             11320
_reflns_threshold_expression     I>2.0\s(I)
_oxford_diffrn_Wilson_B_factor   1.24
_oxford_diffrn_Wilson_scale      137.30
_oxford_refine_ls_r_factor_ref   0.0166
_oxford_refine_ls_scale          0.068578(4)
_oxford_reflns_number_all        11320
_oxford_reflns_threshold_expression_ref I>-10.0\s(I)
_oxford_structure_analysis_title 'bfpan_579_0m in Pn'
_cod_data_source_file            ic202581v_si_002_06.cif
_cod_data_source_block           9
_cod_original_sg_symbol_H-M      'P 1 n 1 '
_cod_original_formula_sum        'C50 H44 Br1 N2 P3 Pt1'
_cod_database_code               4328798
_iucr_refine_instruction_details_constraints
;
BLOCK 
CONT SCALE 
CONT PT   (    1 ,X'S,U'S)  UNTIL P    (    3 ) 
CONT P    (   20 ,X'S,U[ISO]) 
CONT N    (    1 ,X'S,U'S)  UNTIL C    (   50 ) 
SUMFIX P(2,OCC) AND P(20,OCC) 
SUMFIX ELEMENT SCALES 
RIDE C   (   2,X'S) H   (  21,X'S) 
RIDE C   (   3,X'S) H   (  31,X'S) 
RIDE C   (   4,X'S) H   (  41,X'S) 
RIDE C   (   5,X'S) H   (  51,X'S) 
RIDE C   (   6,X'S) H   (  61,X'S) 
RIDE C   (   8,X'S) H   (  81,X'S) 
RIDE C   (   9,X'S) H   (  91,X'S) 
RIDE C   (  10,X'S) H   ( 101,X'S) 
RIDE C   (  11,X'S) H   ( 111,X'S) 
RIDE C   (  12,X'S) H   ( 121,X'S) 
RIDE C   (  14,X'S) H   ( 141,X'S) 
RIDE C   (  15,X'S) H   ( 151,X'S) 
RIDE C   (  16,X'S) H   ( 161,X'S) 
RIDE C   (  17,X'S) H   ( 171,X'S) 
RIDE C   (  19,X'S) H   ( 191,X'S) H   ( 192,X'S) 
RIDE C   (  20,X'S) H   ( 201,X'S) H   ( 202,X'S) 
RIDE C   (  22,X'S) H   ( 221,X'S) 
RIDE C   (  23,X'S) H   ( 231,X'S) 
RIDE C   (  24,X'S) H   ( 241,X'S) 
RIDE C   (  25,X'S) H   ( 251,X'S) 
RIDE C   (  28,X'S) H   ( 281,X'S) 
RIDE C   (  29,X'S) H   ( 291,X'S) 
RIDE C   (  30,X'S) H   ( 301,X'S) 
RIDE C   (  31,X'S) H   ( 311,X'S) 
RIDE C   (  32,X'S) H   ( 321,X'S) 
RIDE C   (  34,X'S) H   ( 341,X'S) 
RIDE C   (  35,X'S) H   ( 351,X'S) 
RIDE C   (  36,X'S) H   ( 361,X'S) 
RIDE C   (  37,X'S) H   ( 371,X'S) 
RIDE C   (  38,X'S) H   ( 381,X'S) 
RIDE C   (  39,X'S) H   ( 391,X'S) 
RIDE C   (  40,X'S) H   ( 401,X'S) 
RIDE C   (  41,X'S) H   ( 411,X'S) 
RIDE C   (  42,X'S) H   ( 421,X'S) 
RIDE C   (  43,X'S) H   ( 431,X'S) 
RIDE C   (  44,X'S) H   ( 441,X'S) 
RIDE C   (  45,X'S) H   ( 451,X'S) 
RIDE C   (  46,X'S) H   ( 461,X'S) 
RIDE C   (  47,X'S) H   ( 471,X'S) 
RIDE C   (  48,X'S) H   ( 481,X'S) 
RIDE C   (  49,X'S) H   ( 491,X'S) 
RIDE C   (  50,X'S) H   ( 501,X'S) 
END                                                                             
;
_iucr_refine_instruction_details_restraints
;
NO 
REM   HREST   START (DO NOT REMOVE THIS LINE) 
REM   HREST   END (DO NOT REMOVE THIS LINE) 
END                                                                             
;