A NHC-Silyliumylidene Cation for Catalytic N-Formylation of Amines Using Carbon Dioxide
Leong, Bi-Xiang; Teo, Yeow-Chuan; Condamines, Cloé; Yang, Ming-Chung; Su, Ming-Der; So, Cheuk-Wai; ACS Catalysis  (2020) 14824–14833; doi:10.1021/acscatal.0c03795

data_4518278
_publ_section_title
;
 A NHC-Silyliumylidene Cation for Catalytic N-Formylation of Amines Using
 Carbon Dioxide
;
_journal_name_full               'ACS Catalysis'
_journal_page_first              14824
_journal_page_last               14833
_journal_paper_doi               10.1021/acscatal.0c03795
_journal_year                    2020
_chemical_formula_sum            'C13 H19 N O'
_chemical_formula_weight         205.29
_space_group_crystal_system      hexagonal
_space_group_IT_number           169
_space_group_name_Hall           'P 61'
_space_group_name_H-M_alt        'P 61'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            6
_cell_length_a                   16.8594(11)
_cell_length_b                   16.8594(11)
_cell_length_c                   8.3896(7)
_cell_measurement_reflns_used    3984
_cell_measurement_temperature    100.(2)
_cell_measurement_theta_max      26.4223
_cell_measurement_theta_min      2.8002
_cell_volume                     2065.2(3)
_computing_cell_refinement       'SAINT V8.38A (Bruker AXS Inc., 2017)'
_computing_data_collection       'APEX3 (Bruker AXS Inc., 2018)'
_computing_data_reduction        'SAINT V8.38A (Bruker AXS Inc., 2017)'
_computing_molecular_graphics    'XP (Bruker AXS Inc., 2018)'
_computing_publication_material  'APEX3 (Bruker AXS Inc., 2018)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'XT, VERSION 2014/5'
_diffrn_ambient_temperature      100.(2)
_diffrn_detector_area_resol_mean 7.4074
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Photon II CPADs detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  'Multilayer Mirror'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1466
_diffrn_reflns_av_unetI/netI     0.1077
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            18567
_diffrn_reflns_theta_full        27.87
_diffrn_reflns_theta_max         27.87
_diffrn_reflns_theta_min         2.42
_diffrn_source                   'Incoatec microfocus source'
_diffrn_source_type              'Bruker D8 Quest'
_exptl_absorpt_coefficient_mu    0.062
_exptl_absorpt_correction_T_max  1.00
_exptl_absorpt_correction_T_min  0.64
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 - Bruker AXS area detector scaling and absorption correction
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    0.990
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             672
_exptl_crystal_size_max          0.220
_exptl_crystal_size_mid          0.040
_exptl_crystal_size_min          0.020
_refine_diff_density_max         0.179
_refine_diff_density_min         -0.175
_refine_ls_abs_structure_details
;

Flack x determined using 656 quotients [(I+)-(I-)]/[(I+)+(I-)]
(Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -3.8(10)
_refine_ls_extinction_coef       0.036(7)
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     141
_refine_ls_number_reflns         3278
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.1140
_refine_ls_R_factor_gt           0.0605
_refine_ls_shift/su_max          0.015
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0693P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1324
_refine_ls_wR_factor_ref         0.1591
_reflns_number_gt                2072
_reflns_number_total             3278
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            cs0c03795_si_002.cif
_cod_data_source_block           scw2240m_sq
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'Multi-Scan' was
changed to 'multi-scan' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 
;
_cod_database_code               4518278
_shelx_res_checksum              52530
_shelx_hkl_checksum              32270
_shelx_fab_checksum              88843