Tuning the electronic properties of an N-heterocyclic carbene by charge and mesomeric effects
Hannes Buhl; Christian Ganter; Chem.Commun. 49 (2013) 5417–; doi:10.1039/c3cc42547a

data_7109373
_publ_section_title
;
 Tuning the electronic properties of an N-heterocyclic carbene by charge
 and mesomeric effects
;
_journal_name_full               Chem.Commun.
_journal_page_first              5417
_journal_paper_doi               10.1039/c3cc42547a
_journal_volume                  49
_journal_year                    2013
_chemical_formula_moiety         'C13 H21 N3, 2(C F3 O3 S)'
_chemical_formula_sum            'C15 H21 F6 N3 O6 S2'
_chemical_formula_weight         517.47
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                102.692(11)
_cell_angle_beta                 92.911(11)
_cell_angle_gamma                104.750(11)
_cell_formula_units_Z            2
_cell_length_a                   6.6711(11)
_cell_length_b                   12.796(2)
_cell_length_c                   14.462(2)
_cell_measurement_reflns_used    2608
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      24.242
_cell_measurement_theta_min      2.485
_cell_volume                     1157.2(3)
_computing_cell_refinement       'SAINT (Bruker, 2006)'
_computing_data_collection       'APEX2 (Bruker, 2006)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'ORTEP-3 (University of Glasgow, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker Kappa APEX II CCD area detector'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'multilayer mirror'
_diffrn_radiation_source         'microfocus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0264
_diffrn_reflns_av_sigmaI/netI    0.0326
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            10200
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.95
_exptl_absorpt_coefficient_mu    0.313
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8717
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(<i>SADABS</i>; Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.485
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Needle
_exptl_crystal_F_000             532
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.365
_refine_diff_density_min         -0.357
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.121
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     294
_refine_ls_number_reflns         4063
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.121
_refine_ls_R_factor_all          0.0999
_refine_ls_R_factor_gt           0.0679
_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^)+(0.0888P)^2^+0.7528P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1939
_refine_ls_wR_factor_ref         0.2067
_reflns_number_gt                2641
_reflns_number_total             4063
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3cc42547a.txt
_cod_data_source_block           mo_scan_0m_p-1
_cod_database_code               7109373