On pyridine chloronium cations
Pröhm, Patrick; Berg, Willi; Rupf, Susanne Margot; Müller, Carsten; Riedel, Sebastian; Chemical Science 14 (2023) 2325–2329; doi:10.1039/D2SC06757A

data_1568407
_publ_section_title
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 On pyridine chloronium cations
;
_journal_issue                   9
_journal_name_full               'Chemical Science'
_journal_page_first              2325
_journal_page_last               2329
_journal_paper_doi               10.1039/D2SC06757A
_journal_volume                  14
_journal_year                    2023
_chemical_formula_moiety         'Cl, C5 H5 Cl N'
_chemical_formula_sum            'C5 H5 Cl2 N'
_chemical_formula_weight         150.00
_space_group_crystal_system      orthorhombic
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2022-01-19
_audit_creation_method
;
Olex2 1.3
(compiled Nov 21 2019 18:26:39 for OlexSys, GUI svn.r6003)
;
_audit_update_record
;
2022-11-30 deposited with the CCDC.	2023-02-06 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.9435(6)
_cell_length_b                   6.5593(3)
_cell_length_c                   7.0669(4)
_cell_measurement_reflns_used    4231
_cell_measurement_temperature    100.0
_cell_measurement_theta_max      30.52
_cell_measurement_theta_min      3.23
_cell_volume                     646.34(5)
_computing_cell_refinement       'SAINT V8.40B (?, 2016)'
_computing_data_reduction        'SAINT V8.40B (?, 2016)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL  (Sheldrick, 2008)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      100.0
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.993
_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  0.0529
_diffrn_reflns_av_unetI/netI     0.0276
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            9048
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.523
_diffrn_reflns_theta_min         2.922
_diffrn_source_current           1.0
_diffrn_source_power             0.05
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.889
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.6385
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1092 before and 0.0618 after correction.
The Ratio of minimum to maximum transmission is 0.8558.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.541
_exptl_crystal_description       block
_exptl_crystal_F_000             304
_exptl_crystal_recrystallization_method 'Re-crystallisation from solvent'
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.479
_refine_diff_density_min         -0.399
_refine_diff_density_rms         0.080
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     49
_refine_ls_number_reflns         1056
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0322
_refine_ls_R_factor_gt           0.0257
_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^)+(0.0223P)^2^+0.4734P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0589
_refine_ls_wR_factor_ref         0.0641
_reflns_Friedel_coverage         0.000
_reflns_number_gt                948
_reflns_number_total             1056
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2sc06757a2.cif
_cod_data_source_block           pnma
_cod_depositor_comments
'Adding full bibliography for 1568406--1568411.cif.'
_cod_database_code               1568407
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.916
_shelx_estimated_absorpt_t_min   0.916
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C1(H1), C2(H2), C3(H3), C4(H4), C5(H5)
;
_shelx_res_checksum              95453
_shelx_hkl_checksum              68211
_olex2_submission_special_instructions 'No special instructions were received'