Fused multifunctionalized dibenzoselenophenes from tetraynes.
Hu, Yimin; Ma, Jie; Li, Lidong; Hu, Qiong; Lv, Shuang; Liu, Baohua; Wang, Shaowu; Chemical communications (Cambridge, England) 53 (2017) 1542–1545; doi:10.1039/c6cc09732d

data_7119402
_publ_section_title
;
 Fused multifunctionalized dibenzoselenophenes from tetraynes.
;
_journal_issue                   9
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              1542
_journal_page_last               1545
_journal_paper_doi               10.1039/c6cc09732d
_journal_volume                  53
_journal_year                    2017
_chemical_formula_sum            'C38 H34 O4 Se'
_chemical_formula_weight         633.61
_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
_audit_update_record
;
2016-11-24 deposited with the CCDC.
2017-01-04 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 120.114(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.8983(12)
_cell_length_b                   24.716(2)
_cell_length_c                   12.9910(9)
_cell_measurement_reflns_used    6502
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      22.43
_cell_measurement_theta_min      2.45
_cell_volume                     3304.7(5)
_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      293(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_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  0.0519
_diffrn_reflns_av_sigmaI/netI    0.0623
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       -32
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            27806
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.65
_exptl_absorpt_coefficient_mu    1.174
_exptl_absorpt_correction_T_max  0.7906
_exptl_absorpt_correction_T_min  0.7579
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.273
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1312
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.21
_refine_diff_density_max         3.761
_refine_diff_density_min         -0.714
_refine_diff_density_rms         0.119
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.086
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     345
_refine_ls_number_reflns         7475
_refine_ls_number_restraints     202
_refine_ls_restrained_S_all      1.094
_refine_ls_R_factor_all          0.1850
_refine_ls_R_factor_gt           0.1178
_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^)+(0.3000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.3851
_refine_ls_wR_factor_ref         0.4433
_reflns_number_gt                3872
_reflns_number_total             7475
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6cc09732d2.cif
_cod_data_source_block           test_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/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 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 7119399--7119402.cif.
;
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7119402