Molybdenum-Promoted Synthesis of Isoquinuclidines with Bridgehead CF<sub>3</sub> Groups.
Wilde, Justin H.; Smith, Jacob A.; Dickie, Diane A.; Harman, W. Dean; Journal of the American Chemical Society 141 (2019) 18890–18899; doi:10.1021/jacs.9b10781

data_4129140
_publ_section_title
;
 Molybdenum-Promoted Synthesis of Isoquinuclidines with Bridgehead
 CF<sub>3</sub> Groups.
;
_journal_issue                   47
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              18890
_journal_page_last               18899
_journal_paper_doi               10.1021/jacs.9b10781
_journal_volume                  141
_journal_year                    2019
_chemical_absolute_configuration unk
_chemical_formula_sum            'C19 H19 F3 N2 O2'
_chemical_formula_weight         364.36
_space_group_crystal_system      monoclinic
_space_group_IT_number           9
_space_group_name_Hall           'C -2yc'
_space_group_name_H-M_alt        'C 1 c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_cell_angle_alpha                90
_cell_angle_beta                 90.103(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.8231(12)
_cell_length_b                   20.891(2)
_cell_length_c                   7.2837(8)
_cell_measurement_reflns_used    8747
_cell_measurement_temperature    100.(2)
_cell_measurement_theta_max      29.3851
_cell_measurement_theta_min      3.4099
_cell_volume                     1646.9(3)
_computing_cell_refinement       'SAINT V8.38A (Bruker AXS Inc., 2017)'
_computing_data_collection       'Bruker Instrument Service v2017.5.0.0'
_computing_data_reduction        'SAINT V8.38A (Bruker AXS Inc., 2017)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100.(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'Bruker Kappa APEXII Duo'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0266
_diffrn_reflns_av_unetI/netI     0.0249
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            19226
_diffrn_reflns_theta_full        29.61
_diffrn_reflns_theta_max         29.61
_diffrn_reflns_theta_min         1.95
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.119
_exptl_absorpt_correction_T_max  0.98
_exptl_absorpt_correction_T_min  0.94
_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    1.470
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             760
_exptl_crystal_size_max          0.381
_exptl_crystal_size_mid          0.227
_exptl_crystal_size_min          0.154
_refine_diff_density_max         0.288
_refine_diff_density_min         -0.199
_refine_ls_abs_structure_details
;

Flack x determined using 1932 quotients [(I+)-(I-)]/[(I+)+(I-)]
(Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.08(18)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     237
_refine_ls_number_reflns         4443
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0321
_refine_ls_R_factor_gt           0.0290
_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^)+(0.0381P)^2^+0.4913P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0687
_refine_ls_wR_factor_ref         0.0701
_reflns_number_gt                4208
_reflns_number_total             4443
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja9b10781_si_002.cif
_cod_data_source_block           17
_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 6909 2019-04-08 15:41:33Z antanas 

 Adding full bibliography for 4129132--4129146.cif.
;
_cod_original_sg_symbol_H-M      'C c'
_cod_database_code               4129140
_shelx_res_checksum              86369
_shelx_hkl_checksum              17362