(HPy)<sub>2</sub>(Py)CuBi<sub>3</sub>I<sub>12</sub>, a low bandgap metal halide photoconductor.
Möbs, Jakob; Gerhard, Marina; Heine, Johanna; Dalton transactions (Cambridge, England : 2003) 49 (2020) 14397–14400; doi:10.1039/d0dt03427d

data_7705728
_publ_section_title
;
 (HPy)<sub>2</sub>(Py)CuBi<sub>3</sub>I<sub>12</sub>, a low bandgap metal
 halide photoconductor.
;
_journal_issue                   41
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              14397
_journal_page_last               14400
_journal_paper_doi               10.1039/d0dt03427d
_journal_volume                  49
_journal_year                    2020
_chemical_formula_moiety         'Bi2 I9, 2(C4 H10 O2), 3(C5 H6 N)'
_chemical_formula_sum            'C23 H38 Bi2 I9 N3 O4'
_chemical_formula_weight         1980.62
_space_group_crystal_system      orthorhombic
_space_group_IT_number           20
_space_group_name_Hall           'C 2c 2'
_space_group_name_H-M_alt        'C 2 2 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2020-06-09
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2020-08-26 deposited with the CCDC.	2020-10-09 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.5623(6)
_cell_length_b                   18.8440(10)
_cell_length_c                   28.796(2)
_cell_measurement_reflns_used    12754
_cell_measurement_temperature    100
_cell_measurement_theta_max      53.7
_cell_measurement_theta_min      2.8
_cell_volume                     4646.2(5)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_diffrn_ambient_temperature      100.0
_diffrn_detector                 'imaging plate area detector'
_diffrn_detector_area_resol_mean 10.4167
_diffrn_detector_type            'STOE Imaging Plate'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device       '2-circle diffractometer'
_diffrn_measurement_device_type  'Stoe IPDS'
_diffrn_measurement_method       'area detetor, \w scans'
_diffrn_radiation_collimation    '0.5 mm diameter'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0933
_diffrn_reflns_av_unetI/netI     0.0766
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -36
_diffrn_reflns_number            19966
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.829
_diffrn_reflns_theta_min         1.414
_diffrn_source                   'sealed x-ray tube'
_diffrn_source_target            Mo
_diffrn_source_type              'STOE C-Tech Mo tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    13.572
_exptl_absorpt_correction_T_max  0.4012
_exptl_absorpt_correction_T_min  0.2975
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'STOE X-Red32 1.63.4'
_exptl_crystal_colour            'clear orange'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    orange
_exptl_crystal_density_diffrn    2.831
_exptl_crystal_description       block
_exptl_crystal_F_000             3488
_exptl_crystal_size_max          0.1905
_exptl_crystal_size_mid          0.099
_exptl_crystal_size_min          0.08
_refine_diff_density_max         2.111
_refine_diff_density_min         -1.928
_refine_diff_density_rms         0.274
_refine_ls_abs_structure_details
;
 Flack x determined using 1470 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.026(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.954
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     215
_refine_ls_number_reflns         4939
_refine_ls_number_restraints     89
_refine_ls_restrained_S_all      0.945
_refine_ls_R_factor_all          0.0478
_refine_ls_R_factor_gt           0.0346
_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^)+(0.0400P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0806
_refine_ls_wR_factor_ref         0.0827
_reflns_Friedel_coverage         0.788
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.990
_reflns_number_gt                3906
_reflns_number_total             4939
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0dt03427d2.cif
_cod_data_source_block           compound3-Bi
_cod_database_code               7705728
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.410
_shelx_estimated_absorpt_t_min   0.182
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All N(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Restrained distances
 N2-C10 \\sim N2-C14
 with sigma of 0.02
 C10-C11 \\sim C11-C12 \\sim C12-C13 \\sim C13-C14
 with sigma of 0.02
 N2-C13 \\sim N2-C11
 with sigma of 0.04
 C12-C14 \\sim C12-C10 \\sim C13-C11 \\sim C14-C10
 with sigma of 0.04
3. Restrained planarity
 N2, C10, C11, C12, C13, C14
 with sigma of 0.1
4. Uiso/Uaniso restraints and constraints
N2 \\sim C10 \\sim C11 \\sim C12 \\sim C13 \\sim C14: within 2A with sigma of
0.04 and sigma for terminal atoms of 0.08
5. Rigid body (RIGU) restrains
 N2, C10, C11, C12, C13, C14
 with sigma for 1-2 distances of 0.004 and sigma for 1-3 distances of 0.004
6. Others
 Fixed Sof: N2(0.5) H2(0.5) C10(0.5) H10(0.5) C11(0.5) H11(0.5) C12(0.5)
 H12(0.5) C13(0.5) H13(0.5) C14(0.5) H14(0.5)
7.a Secondary CH2 refined with riding coordinates:
 C2(H2A,H2B), C3(H3A,H3B)
7.b Aromatic/amide H refined with riding coordinates:
 N1(H1), C6(H6), C7(H7), C5(H5), C8(H8), C9(H9), N2(H2), C10(H10), C11(H11),
 C12(H12), C13(H13), C14(H14)
7.c Idealised Me refined as rotating group:
 C1(H1A,H1B,H1C), C4(H4A,H4B,H4C)
;
_shelx_res_checksum              45002
_olex2_submission_special_instructions 'No special instructions were received'