Two polymorphs and cocrystal of styryl-pyridine derivatives with tuned emission induced by Co2+ and Zn(phen)32+
Zhang, Ruilong; Zhang, Qiong; Liu, Zhaodi; Yang, Longmei; Wu, Jieying; Zhou, Hongping; Yang, Jiaxiang; Tian, Yupeng; CrystEngComm 16 (2014) 2039–; doi:10.1039/c3ce42069h

data_7213725
_publ_section_title
;
 Two polymorphs and cocrystal of styryl-pyridine derivatives with tuned
 emission induced by Co2+ and Zn(phen)32+
;
_journal_issue                   10
_journal_name_full               CrystEngComm
_journal_page_first              2039
_journal_paper_doi               10.1039/c3ce42069h
_journal_volume                  16
_journal_year                    2014
_chemical_formula_sum            'C28 H32 N2 O2'
_chemical_formula_weight         428.56
_space_group_IT_number           88
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-I 4ad'
_symmetry_space_group_name_H-M   'I 41/a :2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.000(5)
_cell_angle_beta                 90.000(5)
_cell_angle_gamma                90.000(5)
_cell_formula_units_Z            8
_cell_length_a                   27.908(5)
_cell_length_b                   27.908(5)
_cell_length_c                   6.521(5)
_cell_measurement_reflns_used    1015
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      15.90
_cell_measurement_theta_min      3.26
_cell_volume                     5079(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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     0.71069
_diffrn_reflns_av_R_equivalents  0.0902
_diffrn_reflns_av_sigmaI/netI    0.0939
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -33
_diffrn_reflns_limit_k_max       33
_diffrn_reflns_limit_k_min       -33
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -5
_diffrn_reflns_number            11340
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.06
_exptl_absorpt_coefficient_mu    0.070
_exptl_absorpt_correction_T_max  0.9861
_exptl_absorpt_correction_T_min  0.9657
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.121
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1840
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.415
_refine_diff_density_min         -0.231
_refine_diff_density_rms         0.045
_refine_ls_extinction_coef       0.0011(6)
_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   1.141
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     147
_refine_ls_number_reflns         2238
_refine_ls_number_restraints     19
_refine_ls_restrained_S_all      1.225
_refine_ls_R_factor_all          0.1679
_refine_ls_R_factor_gt           0.0749
_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^)+(0.1000P)^2^+0.3000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1921
_refine_ls_wR_factor_ref         0.2462
_reflns_number_gt                1040
_reflns_number_total             2238
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce42069h.txt
_cod_data_source_block           tian673
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to
/usr/data/users/saulius/automatic-downloads/current/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      'I4(1)/a '
_cod_database_code               7213725