Novel photo- and/or thermochromic MOFs derived from bipyridinium carboxylate ligands
Zhang, Chenghui; Sun, Libo; Zhang, Chuanqi; Wan, Song; Liang, Zhiqiang; Li, Jiyang; Inorganic Chemistry Frontiers 3 (2016) 814–; doi:10.1039/C6QI00013D

data_4349456
_publ_section_title
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 Novel photo- and/or thermochromic MOFs derived from bipyridinium
 carboxylate ligands
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_journal_issue                   6
_journal_name_full               'Inorganic Chemistry Frontiers'
_journal_page_first              814
_journal_paper_doi               10.1039/C6QI00013D
_journal_volume                  3
_journal_year                    2016
_chemical_formula_sum            'C17 H15 N3 O9 Zn'
_chemical_formula_weight         470.69
_space_group_IT_number           60
_space_group_name_Hall           '-P 2n 2ab'
_space_group_name_H-M_alt        'P b c n'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_H-M   'P b c n'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-11-24 deposited with the CCDC.
2016-03-03 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   27.841(6)
_cell_length_b                   7.5266(15)
_cell_length_c                   17.413(3)
_cell_measurement_temperature    293(2)
_cell_volume                     3648.9(12)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID'
_diffrn_measurement_method       psi-scan
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0632
_diffrn_reflns_av_sigmaI/netI    0.0363
_diffrn_reflns_limit_h_max       35
_diffrn_reflns_limit_h_min       -36
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            31201
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.04
_exptl_absorpt_coefficient_mu    1.407
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.674
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            block
_exptl_crystal_density_diffrn    1.714
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       green
_exptl_crystal_F_000             1920
_exptl_crystal_size_max          0.586
_exptl_crystal_size_mid          0.253
_exptl_crystal_size_min          0.103
_refine_diff_density_max         1.859
_refine_diff_density_min         -0.774
_refine_diff_density_rms         0.106
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     280
_refine_ls_number_reflns         4171
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.0810
_refine_ls_R_factor_gt           0.0577
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0835P)^2^+6.6396P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1470
_refine_ls_wR_factor_ref         0.1598
_reflns_number_gt                3048
_reflns_number_total             4171
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6qi00013d2.cif
_cod_data_source_block           pp
_cod_depositor_comments
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The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Orthorhombic' was changed
to 'orthorhombic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/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 6909 2019-04-08 15:41:33Z antanas 
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_cod_original_sg_symbol_H-M      Pbcn
_cod_database_code               4349456