Aggregation induced emission in the rotatable molecules: the essential role of molecular interaction
Yu, Zhipeng; Duan, Yaya; Cheng, Longhuai; Han, Zhili; Zheng, Zheng; Zhou, Hongping; Wu, Jieying; Tian, Yupeng; Journal of Materials Chemistry 22 (2012) 16927–; doi:10.1039/c2jm32405a

data_7208418
_publ_section_title
;
 Aggregation induced emission in the rotatable molecules: the essential
 role of molecular interaction
;
_journal_issue                   33
_journal_name_full               'Journal of Materials Chemistry'
_journal_page_first              16927
_journal_paper_doi               10.1039/c2jm32405a
_journal_volume                  22
_journal_year                    2012
_chemical_formula_sum            'C34 H50 N4 O8'
_chemical_formula_weight         642.78
_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                90.000(5)
_cell_angle_beta                 94.859(5)
_cell_angle_gamma                90.000(5)
_cell_formula_units_Z            2
_cell_length_a                   22.369(5)
_cell_length_b                   8.740(5)
_cell_length_c                   8.395(5)
_cell_measurement_reflns_used    4700
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      27.53
_cell_measurement_theta_min      2.50
_cell_volume                     1635.4(14)
_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 0.994
_diffrn_measured_fraction_theta_max 0.994
_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  0.0137
_diffrn_reflns_av_sigmaI/netI    0.0203
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            5422
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         1.83
_exptl_absorpt_coefficient_mu    0.093
_exptl_absorpt_correction_T_max  0.9816
_exptl_absorpt_correction_T_min  0.9726
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.305
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             692
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.189
_refine_diff_density_min         -0.295
_refine_diff_density_rms         0.065
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.259
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     208
_refine_ls_number_reflns         2862
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.259
_refine_ls_R_factor_all          0.0380
_refine_ls_R_factor_gt           0.0363
_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^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1356
_refine_ls_wR_factor_ref         0.1398
_reflns_number_gt                2689
_reflns_number_total             2862
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2jm32405a.txt
_cod_data_source_block           sys3
_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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      'P2(1)/c '
_cod_database_code               7208418