Unusual π−‒π− stacking interactions between 5,5′-azotetrazolate(AT) anions in six AT based 3d metal photochromic complexes
Lin, Jiao-Min; Qiu, Yan-Xuan; Chen, Wen-Bin; Yang, Meng; Zhou, Ai-Ju; Dong, Wen; Tian, Chang-En; CrystEngComm 14 (2012) 2779–; doi:10.1039/c2ce06606h

data_7207648
_publ_section_title
;
 Unusual \p&#x2212;--\p&#x2212; stacking interactions between
 5,5&#x2032;-azotetrazolate(AT) anions in six AT based 3d metal
 photochromic complexes
;
_journal_issue                   8
_journal_name_full               CrystEngComm
_journal_page_first              2779
_journal_paper_doi               10.1039/c2ce06606h
_journal_volume                  14
_journal_year                    2012
_chemical_formula_sum            'C18 H54 Co2 N42 O3'
_chemical_formula_weight         1024.89
_chemical_name_systematic
;
?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                106.433(5)
_cell_angle_beta                 105.990(5)
_cell_angle_gamma                102.997(4)
_cell_formula_units_Z            2
_cell_length_a                   9.6939(10)
_cell_length_b                   14.8594(15)
_cell_length_c                   16.3712(16)
_cell_measurement_reflns_used    8489
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.9
_cell_measurement_theta_min      1.51
_cell_volume                     2053.7(4)
_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 0.981
_diffrn_measured_fraction_theta_max 0.981
_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  0.0206
_diffrn_reflns_av_sigmaI/netI    0.0206
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            33325
_diffrn_reflns_theta_full        27.90
_diffrn_reflns_theta_max         27.90
_diffrn_reflns_theta_min         1.51
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count none
_diffrn_standards_interval_time  none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    0.894
_exptl_absorpt_correction_T_max  0.890
_exptl_absorpt_correction_T_min  0.812
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.657
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1068.0
_exptl_crystal_size_max          0.242
_exptl_crystal_size_mid          0.194
_exptl_crystal_size_min          0.130
_refine_diff_density_max         0.534
_refine_diff_density_min         -0.351
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     810
_refine_ls_number_reflns         9642
_refine_ls_number_restraints     15
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0326
_refine_ls_R_factor_gt           0.0273
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0418P)^2^+0.6841P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0720
_refine_ls_wR_factor_ref         0.0759
_reflns_number_gt                8489
_reflns_number_total             9642
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce06606h.txt
_cod_data_source_block           1
_cod_depositor_comments
;
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      P-1
_cod_database_code               7207648