Highly selective molecular sieving of cis- over trans-1,2-dichloroethene isomers
liu, xin; Alimi, Lukman; Khashab, Niveen M.; Chemical Communications  (2022) –; doi:10.1039/D2CC03574J

data_7130421
_publ_section_title
;
 Highly selective molecular sieving of cis- over trans-1,2-dichloroethene
 isomers
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/D2CC03574J
_journal_year                    2022
_chemical_formula_moiety         'C55 H54 N6'
_chemical_formula_sum            'C55 H54 N6'
_chemical_formula_weight         799.04
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2022-06-08 deposited with the CCDC.	2022-07-27 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 98.005(5)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   17.796(3)
_cell_length_b                   5.2354(7)
_cell_length_c                   25.302(4)
_cell_measurement_reflns_used    3632
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      28.08
_cell_measurement_theta_min      2.34
_cell_volume                     2334.4(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-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0629
_diffrn_reflns_av_unetI/netI     0.1103
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.990
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            25225
_diffrn_reflns_point_group_measured_fraction_full 0.992
_diffrn_reflns_point_group_measured_fraction_max 0.983
_diffrn_reflns_theta_full        28.000
_diffrn_reflns_theta_max         28.427
_diffrn_reflns_theta_min         2.311
_exptl_absorpt_coefficient_mu    0.067
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.137
_exptl_crystal_description       Block
_exptl_crystal_F_000             852
_exptl_crystal_size_max          0.189
_exptl_crystal_size_mid          0.063
_exptl_crystal_size_min          0.025
_exptl_transmission_factor_max   0.996
_exptl_transmission_factor_min   0.989
_refine_diff_density_max         0.566
_refine_diff_density_min         -0.269
_refine_diff_density_rms         0.070
_refine_ls_abs_structure_details
;
 Flack x determined using 1777 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -1.5(10)
_refine_ls_extinction_coef       0.0083(16)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.064
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     546
_refine_ls_number_reflns         11496
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.1554
_refine_ls_R_factor_gt           0.0760
_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^)+(0.0710P)^2^+1.4144P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1619
_refine_ls_wR_factor_ref         0.2165
_reflns_Friedel_coverage         0.793
_reflns_Friedel_fraction_full    0.987
_reflns_Friedel_fraction_max     0.974
_reflns_number_gt                6520
_reflns_number_total             11496
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2cc03574j2.cif
_cod_data_source_block           1-trans-DCE
_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/RSC/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_original_sg_symbol_H-M      'P 21'
_cod_database_code               7130421
_shelx_shelxl_version_number     2018/3
_shelx_res_checksum              86210
_shelx_hkl_checksum              34795