Coordination polymer-templated photoinduced [2 + 2] dimerization of pyridine-based derivative
Qin, Jie; Qin, Na; Geng, Cui-Hong; Ma, Jian-Ping; Liu, Qi-Kui; Wu, Dan; Zhao, Chao-Wei; Dong, Yu-Bin; CrystEngComm 14 (2012) 8499–; doi:10.1039/c2ce25561h

data_7214720
_publ_section_title
;
 Coordination polymer-templated photoinduced [2 + 2] dimerization of
 pyridine-based derivative
;
_journal_issue                   24
_journal_name_full               CrystEngComm
_journal_page_first              8499
_journal_paper_doi               10.1039/c2ce25561h
_journal_volume                  14
_journal_year                    2012
_chemical_formula_sum            'C30 H24 N4 O8 Zn'
_chemical_formula_weight         633.90
_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                108.791(4)
_cell_angle_beta                 104.892(3)
_cell_angle_gamma                107.590(3)
_cell_formula_units_Z            1
_cell_length_a                   8.388(2)
_cell_length_b                   9.738(2)
_cell_length_c                   9.873(3)
_cell_measurement_reflns_used    1248
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      25.821
_cell_measurement_theta_min      2.369
_cell_volume                     669.3(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_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      298(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_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  0.0222
_diffrn_reflns_av_sigmaI/netI    0.0502
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            3538
_diffrn_reflns_theta_full        25.48
_diffrn_reflns_theta_max         25.48
_diffrn_reflns_theta_min         2.37
_exptl_absorpt_coefficient_mu    0.980
_exptl_absorpt_correction_T_max  0.8832
_exptl_absorpt_correction_T_min  0.8511
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.573
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             326
_exptl_crystal_size_max          0.17
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.395
_refine_diff_density_min         -0.309
_refine_diff_density_rms         0.073
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.070
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     196
_refine_ls_number_reflns         2452
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.070
_refine_ls_R_factor_all          0.0489
_refine_ls_R_factor_gt           0.0441
_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^)+(0.0596P)^2^+0.1691P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1101
_refine_ls_wR_factor_ref         0.1133
_reflns_number_gt                2223
_reflns_number_total             2452
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce25561h.txt
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/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 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7214720