Structures of six photochromic 3d complexes containing 3,3′-azobis-1,2,4-triazole ligand
Yang, Meng; OuYang, Zhen-Jie; Chen, Wen-Bin; Zhou, Rong-Fu; Li, Nan; Dong, Wen; CrystEngComm 15 (2013) 8529–; doi:10.1039/c3ce40736e

data_7210830
_publ_section_title
;
 Structures of six photochromic 3d complexes containing
 3,3&#x2032;-azobis-1,2,4-triazole ligand
;
_journal_issue                   42
_journal_name_full               CrystEngComm
_journal_page_first              8529
_journal_paper_doi               10.1039/c3ce40736e
_journal_volume                  15
_journal_year                    2013
_chemical_formula_sum            'C8 H22 N12 O2 Zn'
_chemical_formula_weight         379.73
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 99.829(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.7533(3)
_cell_length_b                   13.1193(5)
_cell_length_c                   15.5043(6)
_cell_measurement_reflns_used    1940
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.510
_cell_measurement_theta_min      2.67
_cell_volume                     1553.92(10)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SMART'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_detector_area_resol_mean none
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0520
_diffrn_reflns_av_sigmaI/netI    0.0503
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            13497
_diffrn_reflns_theta_full        27.51
_diffrn_reflns_theta_max         27.51
_diffrn_reflns_theta_min         2.05
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count none
_diffrn_standards_interval_time  none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    1.612
_exptl_absorpt_correction_T_max  0.516
_exptl_absorpt_correction_T_min  0.497
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.623
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             784.0
_exptl_crystal_size_max          0.44
_exptl_crystal_size_mid          0.42
_exptl_crystal_size_min          0.41
_refine_diff_density_max         1.302
_refine_diff_density_min         -0.625
_refine_diff_density_rms         0.107
_refine_ls_extinction_coef       0.0031(10)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     279
_refine_ls_number_reflns         3531
_refine_ls_number_restraints     20
_refine_ls_restrained_S_all      1.055
_refine_ls_R_factor_all          0.1130
_refine_ls_R_factor_gt           0.0732
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1008P)^2^+4.9512P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1930
_refine_ls_wR_factor_ref         0.2221
_reflns_number_gt                2277
_reflns_number_total             3551
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce40736e.txt
_cod_data_source_block           2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7210830