Isolation of N-Heterocyclic Alkyl Intermediates en Route to Transition Metal N-Heterocyclic Carbene Complexes: Insight into a C‒H Activation Mechanism
Pan, Baofei; Pierre, Sadrach; Bezpalko, Mark W.; Napoline, J. Wesley; Foxman, Bruce M.; Thomas, Christine M.; Organometallics 32 (2013) 704–; doi:10.1021/om301230f

data_4080046
_publ_section_title
;
 Isolation of N-Heterocyclic Alkyl Intermediates en Route to Transition
 Metal N-Heterocyclic Carbene Complexes: Insight into a C--H Activation
 Mechanism
;
_journal_issue                   2
_journal_name_full               Organometallics
_journal_page_first              704
_journal_paper_doi               10.1021/om301230f
_journal_volume                  32
_journal_year                    2013
_chemical_formula_moiety         'C43 H41 Cl1 N2 O1 P2 Pt1'
_chemical_formula_sum            'C43 H41 Cl N2 O P2 Pt'
_chemical_formula_weight         894.30
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_audit_creation_date             12-05-24
_audit_creation_method           CRYSTALS_ver_14.40
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   11.1255(7)
_cell_length_b                   22.7387(16)
_cell_length_c                   28.4541(19)
_cell_measurement_reflns_used    9982
_cell_measurement_temperature    120
_cell_measurement_theta_max      30
_cell_measurement_theta_min      3
_cell_volume                     7198.3(8)
_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 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.051
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       40
_diffrn_reflns_limit_l_min       -40
_diffrn_reflns_number            70749
_diffrn_reflns_theta_full        30.022
_diffrn_reflns_theta_max         30.022
_diffrn_reflns_theta_min         1.431
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    4.100
_exptl_absorpt_correction_T_max  0.75
_exptl_absorpt_correction_T_min  0.54
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
; 
 Analytical Absorption (De Meulenaer & Tompa, 1965) 
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.650
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       cube
_exptl_crystal_F_000             3568
_exptl_crystal_size_max          0.160
_exptl_crystal_size_mid          0.150
_exptl_crystal_size_min          0.070
_refine_diff_density_max         2.05
_refine_diff_density_min         -1.81
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   0.9786
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     451
_refine_ls_number_reflns         10485
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0503
_refine_ls_R_factor_gt           0.0272
_refine_ls_shift/su_max          0.0033750
_refine_ls_shift/su_mean         0.0001804
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 Method= Modified Sheldrick 
 w=1/[\s^2^(F^2^) + ( 0.02P)^2^ +16.19P] 
 ,where P=(max(Fo^2^,0) + 2Fc^2^)/3 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.0653
_refine_ls_wR_factor_gt          0.0557
_refine_ls_wR_factor_ref         0.0653
_reflns_limit_h_max              15
_reflns_limit_h_min              0
_reflns_limit_k_max              31
_reflns_limit_k_min              0
_reflns_limit_l_max              40
_reflns_limit_l_min              0
_reflns_number_gt                7373
_reflns_number_total             10485
_reflns_threshold_expression     I>2.0\s(I)
_oxford_diffrn_Wilson_B_factor   0.00
_oxford_diffrn_Wilson_scale      0.00
_oxford_refine_ls_r_factor_ref   0.0503
_oxford_refine_ls_scale          0.0297382(11)
_oxford_reflns_number_all        10485
_oxford_reflns_threshold_expression_ref I>-10.0\s(I)
_oxford_structure_analysis_title 'bfpan_7170_0m in Pbca'
_cod_data_source_file            om301230f_si_002.cif
_cod_data_source_block           4
_cod_original_sg_symbol_H-M      'P b c a '
_cod_original_formula_sum        'C43 H41 Cl1 N2 O1 P2 Pt1'
_cod_database_code               4080046
_iucr_refine_instruction_details_constraints
;
BLOCK 
CONT SCALE 
CONT PT   (    1 ,X'S,U'S) 
CONT CL   (   10 ,X'S,U[ISO])  UNTIL CL   (   11 ) 
CONT P    (    1 ,X'S,U'S)  UNTIL C    (   43 ) 
SUMFIX CL(10,OCC) CL(11,OCC) 
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) H   ( 402,X'S) 
RIDE C   (  41,X'S) H   ( 411,X'S) H   ( 412,X'S) 
RIDE C   (  42,X'S) H   ( 421,X'S) H   ( 422,X'S) 
RIDE C   (  43,X'S) H   ( 431,X'S) H   ( 432,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                                                                             
;