Comparison of different strategies for modelling hydrogen atoms in charge density analyses
Köhler, Christian; Lübben, Jens; Krause, Lennard; Hoffmann, Christina; Herbst-Irmer, Regine; Stalke, Dietmar; Acta Crystallographica Section B 75 (2019) –; doi:10.1107/S2052520619004517

data_2108415
_publ_section_title
;
 Comparison of different strategies for modelling hydrogen atoms in charge
 density analyses
;
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first
;
;
_journal_paper_doi               10.1107/S2052520619004517
_journal_volume                  75
_journal_year                    2019
_chemical_formula_moiety         'C38 H28 P2 S2, 2(C7H8)'
_chemical_formula_sum            'C52 H44 P2 S2'
_chemical_formula_weight         794.93
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.3
_audit_creation_date             '07-May-19 T14:24:44-00:00'
_audit_creation_method           'XD routine XDCIF'
_cell_angle_alpha                90
_cell_angle_beta                 103.813
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   10.7687
_cell_length_b                   14.7934
_cell_length_c                   13.4133
_cell_measurement_reflns_used    9597
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.4435
_cell_measurement_theta_min      2.188
_cell_volume                     2075.019
_computing_molecular_graphics    'Volkov et al, (2006)'
_computing_publication_material  'Volkov et al, (2006)'
_computing_structure_refinement  'Volkov et al, (2006)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker Smart APEX II Ultra'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0324
_diffrn_reflns_av_unetI/netI     0.0186
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       33
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            194731
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         52.918
_diffrn_reflns_theta_min         2.083
_diffrn_source                   'BRUKER Rotating Anode'
_exptl_absorpt_coefficient_mu    0.242
_exptl_absorpt_correction_T_max  0.7504
_exptl_absorpt_correction_T_min  0.7080
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS-2016/2
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.272
_exptl_crystal_description       block
_exptl_crystal_F_000             836
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.252
_refine_diff_density_min         -0.191
_refine_diff_density_rms         0.034
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.287
_refine_ls_matrix_type           full
_refine_ls_number_parameters     682
_refine_ls_number_reflns         22130
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.026
_refine_ls_R_factor_gt           0.026
_refine_ls_shift/su_max          0.06749
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
        calc w2 = 1/[s^2^(Fo^2^)]
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.018
_reflns_number_gt                17007
_reflns_number_total             24426
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            bm5108sup1.cif
_cod_data_source_block           SPAnPS_Neutron
_cod_original_cell_volume        2075.0181745753
_cod_database_code               2108415
_cod_database_fobs_code          2108415