Pyridinyl Amide Ion Pairs as Lewis Base Organocatalysts.
Helberg, Julian; Ampßler, Torsten; Zipse, Hendrik; The Journal of organic chemistry  (2020) –; doi:10.1021/acs.joc.0c00114

data_4038205
_publ_section_title
;
 Pyridinyl Amide Ion Pairs as Lewis Base Organocatalysts.
;
_journal_name_full               'The Journal of organic chemistry'
_journal_paper_doi               10.1021/acs.joc.0c00114
_journal_year                    2020
_chemical_formula_moiety         'C16 H36 P, C6 H4 F3 N2 O2 S'
_chemical_formula_sum            'C22 H40 F3 N2 O2 P S'
_chemical_formula_weight         484.59
_chemical_name_common            ta18
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_audit_block_code                C16H36P_C6H4F3N2O2S_uv404_zipse
_audit_creation_method           'APEX3 v2015.9-RC7'
_audit_update_record             21-Jul-16
_cell_angle_alpha                72.0296(13)
_cell_angle_beta                 88.1523(12)
_cell_angle_gamma                75.7263(12)
_cell_formula_units_Z            2
_cell_length_a                   9.8521(3)
_cell_length_b                   10.4233(4)
_cell_length_c                   13.8342(5)
_cell_measurement_reflns_used    7143
_cell_measurement_temperature    100.(2)
_cell_measurement_theta_max      28.1311
_cell_measurement_theta_min      2.6087
_cell_volume                     1308.15(8)
_computing_cell_refinement       'SAINT V8.35A (Bruker AXS Inc., 2015)'
_computing_data_collection       'SAINT V8.35A (Bruker AXS Inc., 2015)'
_computing_data_reduction        'SAINT V8.35A (Bruker AXS Inc., 2015)'
_computing_molecular_graphics    'shelXle (C.B. Huebschle, rev 740)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'XT, VERSION 2014/4'
_diffrn_ambient_temperature      100.(2)
_diffrn_detector_area_resol_mean 7.4074
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device       'fixed-chi three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker D8 Venture TXS'
_diffrn_measurement_method       'mix of phi and omega scans'
_diffrn_radiation_monochromator  'focusing mirrors'
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_diffrn_reflns_av_R_equivalents  0.0394
_diffrn_reflns_av_unetI/netI     0.0573
_diffrn_reflns_Laue_measured_fraction_full 0.997
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_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            15218
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.279
_diffrn_reflns_theta_min         3.167
_diffrn_source                   'rotating anode (TXS)'
_diffrn_source_current           50
_diffrn_source_power             2.5
_diffrn_source_type              'Bruker TXS'
_diffrn_source_voltage           50
_exptl_absorpt_coefficient_mu    0.226
_exptl_absorpt_correction_T_max  0.9705
_exptl_absorpt_correction_T_min  0.8946
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 - Bruker AXS area detector scaling and absorption correction
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.230
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             520
_exptl_crystal_size_max          0.100
_exptl_crystal_size_mid          0.090
_exptl_crystal_size_min          0.040
_refine_diff_density_max         0.398
_refine_diff_density_min         -0.368
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     322
_refine_ls_number_reflns         6472
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0713
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_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^)+(0.0395P)^2^+0.7033P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1057
_refine_ls_wR_factor_ref         0.1164
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4801
_reflns_number_total             6472
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo0c00114_si_002.cif
_cod_data_source_block           uv404
_cod_depositor_comments
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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               4038205
_shelx_estimated_absorpt_t_min   0.978
_shelx_estimated_absorpt_t_max   0.991
_shelx_res_checksum              19419
_shelx_hkl_checksum              94400