Exploring a unique reactivity of N-heterocyclic carbenes (NHC) in rhodium(III)-catalyzed intermolecular C-H activation/annulation
Debasish Ghorai; Joyanta Choudhury; Chem.Commun. 50 (2014) 15159–; doi:10.1039/C4cc07170K

data_7116038
_publ_section_title
;
 Exploring a unique reactivity of N-heterocyclic carbenes (NHC) in
 rhodium(III)-catalyzed intermolecular C-H activation/annulation
;
_journal_name_full               Chem.Commun.
_journal_page_first              15159
_journal_paper_doi               10.1039/C4cc07170K
_journal_volume                  50
_journal_year                    2014
_chemical_formula_sum            'C25 H21 F3 N2 O3 S'
_chemical_formula_weight         486.50
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   18.9839(19)
_cell_length_b                   10.2711(10)
_cell_length_c                   22.667(2)
_cell_measurement_reflns_used    3627
_cell_measurement_temperature    106(2)
_cell_measurement_theta_max      24.40
_cell_measurement_theta_min      2.43
_cell_volume                     4419.7(7)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    SIR-92
_diffrn_ambient_temperature      106(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w 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  0.1100
_diffrn_reflns_av_sigmaI/netI    0.0443
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            63554
_diffrn_reflns_theta_full        24.40
_diffrn_reflns_theta_max         24.40
_diffrn_reflns_theta_min         2.43
_exptl_absorpt_coefficient_mu    0.203
_exptl_absorpt_correction_T_max  0.9780
_exptl_absorpt_correction_T_min  0.9490
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.462
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Needle
_exptl_crystal_F_000             2016
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.428
_refine_diff_density_min         -0.306
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.006
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     307
_refine_ls_number_reflns         3627
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.006
_refine_ls_R_factor_all          0.0811
_refine_ls_R_factor_gt           0.0461
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0512P)^2^+3.6904P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0987
_refine_ls_wR_factor_ref         0.1117
_reflns_number_gt                2563
_reflns_number_total             3627
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c4cc07170k2.cif
_cod_data_source_block           dgou
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_cell_volume        4419.7(8)
_cod_original_sg_symbol_H-M      'Pbca '
_cod_database_code               7116038