Synthesis and Characterization of N-Trifluoromethyl N-Heterocyclic Carbene Ligands and Their Complexes
Engl, Pascal S.; Senn, Remo; Otth, Elisabeth; Togni, Antonio; Organometallics 34 (2015) 1384–; doi:10.1021/acs.organomet.5b00137

data_4087453
_publ_section_title
;
 Synthesis and Characterization of N-Trifluoromethyl N-Heterocyclic
 Carbene Ligands and Their Complexes
;
_journal_issue                   7
_journal_name_full               Organometallics
_journal_page_first              1384
_journal_paper_doi               10.1021/acs.organomet.5b00137
_journal_volume                  34
_journal_year                    2015
_chemical_formula_moiety         'C14 H9 F3 N2 Se'
_chemical_formula_sum            'C14 H9 F3 N2 Se'
_chemical_formula_weight         341.19
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            16
_cell_length_a                   8.5651(6)
_cell_length_b                   17.4019(11)
_cell_length_c                   34.669(2)
_cell_measurement_reflns_used    9161
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.12
_cell_measurement_theta_min      2.34
_cell_volume                     5167.4(6)
_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-2013 (Sheldrick 2013)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.997
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1420
_diffrn_reflns_av_unetI/netI     0.0667
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       43
_diffrn_reflns_limit_l_min       -43
_diffrn_reflns_number            60166
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.564
_diffrn_reflns_theta_min         1.175
_exptl_absorpt_coefficient_mu    2.932
_exptl_absorpt_correction_T_max  0.9998
_exptl_absorpt_correction_T_min  0.7035
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS-2012/1
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.754
_exptl_crystal_description       needle
_exptl_crystal_F_000             2688
_exptl_crystal_size_max          0.111
_exptl_crystal_size_mid          0.056
_exptl_crystal_size_min          0.041
_refine_diff_density_max         0.603
_refine_diff_density_min         -0.522
_refine_diff_density_rms         0.107
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     361
_refine_ls_number_reflns         5374
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0859
_refine_ls_R_factor_gt           0.0437
_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^)+(0.0187P)^2^+13.6586P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0740
_refine_ls_wR_factor_ref         0.0880
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3638
_reflns_number_total             5374
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            om5b00137_si_002.cif
_cod_data_source_block           Compound_6c
_cod_database_code               4087453
_shelx_estimated_absorpt_t_min   0.737
_shelx_estimated_absorpt_t_max   0.889
_shelxl_version_number           2013-4
_shelx_res_checksum              23736
_shelx_hkl_checksum              41411