Synthesis, structure and luminescence of Co-crystals with hexagonal channels: arranging disposition and π–π interactions
Hou, Gui-Ge; Zhao, Hui-Juan; Sun, Ju-Feng; Lin, Dong; Dai, Xian-Ping; Han, Jing-Tian; Zhao, Hui; CrystEngComm 15 (2013) 577–; doi:10.1039/c2ce25759a

data_7208858
_publ_section_title
;
 Synthesis, structure and luminescence of Co-crystals with hexagonal
 channels: arranging disposition and \p--\p interactions
;
_journal_issue                   3
_journal_name_full               CrystEngComm
_journal_page_first              577
_journal_paper_doi               10.1039/c2ce25759a
_journal_volume                  15
_journal_year                    2013
_chemical_formula_sum            'C19 H16 N4 O2'
_chemical_formula_weight         332.36
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 97.817(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.599(2)
_cell_length_b                   9.335(3)
_cell_length_c                   23.306(7)
_cell_measurement_reflns_used    764
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      19.520
_cell_measurement_theta_min      2.353
_cell_volume                     1637.9(8)
_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, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'smart APEX'
_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  0.0632
_diffrn_reflns_av_sigmaI/netI    0.0869
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            8437
_diffrn_reflns_theta_full        25.49
_diffrn_reflns_theta_max         25.49
_diffrn_reflns_theta_min         1.76
_exptl_absorpt_coefficient_mu    0.091
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.348
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       bar
_exptl_crystal_F_000             696
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.154
_refine_diff_density_min         -0.200
_refine_diff_density_rms         0.037
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.106
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     228
_refine_ls_number_reflns         3058
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.106
_refine_ls_R_factor_all          0.1358
_refine_ls_R_factor_gt           0.0790
_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^)+(0.0481P)^2^+0.2927P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1463
_refine_ls_wR_factor_ref         0.1699
_reflns_number_gt                1901
_reflns_number_total             3058
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce25759a.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 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7208858