Halogen-dependent photoinduced electron transfer and chromism of three protonated nicotinohydrazide halozincates.
Shen, Jun-Ju; Wang, Feng; Yu, Tan-Lai; Zhang, Fu-Qiang; Tian, Lu; Fu, Yun-Long; Dalton transactions (Cambridge, England : 2003) 46 (2017) 5414–5419; doi:10.1039/c7dt00457e

data_7042888
_publ_section_title
;
 Halogen-dependent photoinduced electron transfer and chromism of three
 protonated nicotinohydrazide halozincates.
;
_journal_issue                   16
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              5414
_journal_page_last               5419
_journal_paper_doi               10.1039/c7dt00457e
_journal_volume                  46
_journal_year                    2017
_chemical_formula_moiety         'C6 H9 N3 O, I4 Zn, H2 O'
_chemical_formula_sum            'C6 H11 I4 N3 O2 Zn'
_chemical_formula_weight         730.17
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2017-03-24 deposited with the CCDC.
2017-03-28 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 96.576(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.5327(13)
_cell_length_b                   26.614(5)
_cell_length_c                   8.4588(15)
_cell_measurement_reflns_used    9861
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      28.25
_cell_measurement_theta_min      2.42
_cell_volume                     1684.6(5)
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full 0.943
_diffrn_measured_fraction_theta_max 0.956
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0415
_diffrn_reflns_av_unetI/netI     0.0326
_diffrn_reflns_Laue_measured_fraction_full 0.943
_diffrn_reflns_Laue_measured_fraction_max 0.956
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       35
_diffrn_reflns_limit_k_min       -35
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            18244
_diffrn_reflns_point_group_measured_fraction_full 0.943
_diffrn_reflns_point_group_measured_fraction_max 0.956
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.273
_diffrn_reflns_theta_min         3.123
_exptl_absorpt_coefficient_mu    8.780
_exptl_absorpt_correction_T_max  0.639
_exptl_absorpt_correction_T_min  0.088
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.879
_exptl_crystal_description       slice
_exptl_crystal_F_000             1304
_exptl_crystal_size_max          0.299
_exptl_crystal_size_mid          0.244
_exptl_crystal_size_min          0.051
_refine_diff_density_max         5.252
_refine_diff_density_min         -1.735
_refine_diff_density_rms         0.301
_refine_ls_extinction_coef       0.0205(13)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2016/6 (Sheldrick 2016)'
_refine_ls_goodness_of_fit_ref   1.065
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     150
_refine_ls_number_reflns         3993
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      1.257
_refine_ls_R_factor_all          0.0617
_refine_ls_R_factor_gt           0.0593
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1046P)^2^+14.4130P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1683
_refine_ls_wR_factor_ref         0.1712
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3773
_reflns_number_total             3993
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7dt00457e2.cif
_cod_data_source_block           compound1P
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/home/data/users/saulius/crontab/automatic-downloads/current/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_database_code               7042888
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.179
_shelx_estimated_absorpt_t_max   0.663
_shelx_res_checksum              23140