New Biphenyl Derivative with Planar Phenyl−Phenyl Conformation in Crystal at Room Temperature Exhibits Highly Efficient UV Light-Emitting
Zhang, Haiquan; Yang, Bing; Zheng, Yan; Yang, Guangdi; Ye, Ling; Ma, Yuguang; Chen, Xinfang; Cheng, Gang; Liu, Shiyong; The Journal of Physical Chemistry B 108 (2004) 9571–; doi:10.1021/jp048600y

data_1506844
_publ_section_title
;
 New Biphenyl Derivative with Planar Phenyl&#x2212;Phenyl Conformation in
 Crystal at Room Temperature Exhibits Highly Efficient UV Light-Emitting
;
_journal_issue                   28
_journal_name_full               'The Journal of Physical Chemistry B'
_journal_page_first              9571
_journal_paper_doi               10.1021/jp048600y
_journal_volume                  108
_journal_year                    2004
_chemical_formula_sum            'C30 H26 O4'
_chemical_formula_weight         450.51
_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                90.00
_cell_angle_beta                 103.61(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   13.2938(16)
_cell_length_b                   7.3200(17)
_cell_length_c                   12.7067(11)
_cell_measurement_reflns_used    2961
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.31
_cell_measurement_theta_min      2.54
_cell_volume                     1201.8(4)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_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      293(2)
_diffrn_detector_area_resol_mean 10.0
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w 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  0.0721
_diffrn_reflns_av_sigmaI/netI    0.1063
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            5035
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         1.58
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.082
_exptl_absorpt_correction_T_max  0.9899
_exptl_absorpt_correction_T_min  0.9619
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
'Higashi, T. (1995) . Program for Absorption Correction, Tokyo, Japan.'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.245
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             476
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.140
_refine_diff_density_min         -0.164
_refine_diff_density_rms         0.036
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.837
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     206
_refine_ls_number_reflns         2712
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.837
_refine_ls_R_factor_all          0.1117
_refine_ls_R_factor_gt           0.0391
_refine_ls_shift/su_max          0.036
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0600P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1158
_refine_ls_wR_factor_ref         0.1294
_reflns_number_gt                1170
_reflns_number_total             2712
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jp048600ysi20040331_043411.cif
_cod_data_source_block           zhq1a
_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 1715 2011-07-08 13:25:40Z adriana 

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_cell_volume        1201.8(3)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1506844