Enhancement of N-heterocyclic carbenes on rhodium catalyzed olefination of triazoles.
Zhao, Shixian; Wu, Feifei; Ma, Yuyu; Chen, Wanzhi; Liu, Miaochang; Wu, Huayue; Organic & biomolecular chemistry 14 (2016) 2550–2555; doi:10.1039/c5ob02397a

data_7154936
_publ_section_title
;
 Enhancement of N-heterocyclic carbenes on rhodium catalyzed olefination
 of triazoles.
;
_journal_issue                   8
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              2550
_journal_page_last               2555
_journal_paper_doi               10.1039/c5ob02397a
_journal_volume                  14
_journal_year                    2016
_chemical_formula_sum            'C20 H27 Cl F6 N4 P Rh'
_chemical_formula_weight         606.79
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-08-30 deposited with the CCDC.
2016-01-22 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.7291(4)
_cell_length_b                   15.0891(6)
_cell_length_c                   21.3580(10)
_cell_measurement_temperature    293(2)
_cell_volume                     2490.9(2)
_computing_cell_refinement       'Bruker FRAMBO'
_computing_data_collection       'Bruker FRAMBO'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'multiwire proportional'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0434
_diffrn_reflns_av_sigmaI/netI    0.0413
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            15558
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         3.11
_exptl_absorpt_coefficient_mu    0.917
_exptl_absorpt_correction_T_max  0.8378
_exptl_absorpt_correction_T_min  0.7396
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.618
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1224
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.606
_refine_diff_density_min         -0.497
_refine_diff_density_rms         0.092
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.68(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     305
_refine_ls_number_reflns         4378
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0448
_refine_ls_R_factor_gt           0.0392
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0541P)^2^+1.8011P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0965
_refine_ls_wR_factor_ref         0.1004
_reflns_number_gt                4010
_reflns_number_total             4378
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ob02397a2.cif
_cod_data_source_block           141030_zsx141027_1
_cod_depositor_comments
'Adding full bibliography for 7154935--7154937.cif.'
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               7154936