Dinaphthozethrene and Diindenozethrene: Synthesis, Structural Analysis, and Properties.
Hsieh, Ya-Chu; Wu, Tsun-Cheng; Li, Jen-Yi; Chen, Yi-Ting; Kuo, Ming-Yu; Chou, Pi-Tai; Wu, Yao-Ting; Organic letters 18 (2016) 1868–1871; doi:10.1021/acs.orglett.6b00637

data_1555531
_publ_section_title
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 Dinaphthozethrene and Diindenozethrene: Synthesis, Structural Analysis,
 and Properties.
;
_journal_issue                   8
_journal_name_full               'Organic letters'
_journal_page_first              1868
_journal_page_last               1871
_journal_paper_doi               10.1021/acs.orglett.6b00637
_journal_volume                  18
_journal_year                    2016
_chemical_formula_sum            'C36 H18'
_chemical_formula_weight         450.50
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_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                 95.156(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.7866(5)
_cell_length_b                   3.92370(10)
_cell_length_c                   42.4380(15)
_cell_measurement_reflns_used    3133
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      64.8837
_cell_measurement_theta_min      3.8883
_cell_volume                     2120.53(12)
_computing_cell_refinement       'SAINT V7.34A (Bruker AXS, 2006)'
_computing_data_collection       'APEX2 (Bruker AXS, 2010)'
_computing_data_reduction        'SAINT V7.34A (Bruker AXS, 2006)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0203
_diffrn_reflns_av_sigmaI/netI    0.0185
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       4
_diffrn_reflns_limit_k_min       -2
_diffrn_reflns_limit_l_max       50
_diffrn_reflns_limit_l_min       -49
_diffrn_reflns_number            13598
_diffrn_reflns_theta_full        66.28
_diffrn_reflns_theta_max         66.28
_diffrn_reflns_theta_min         3.47
_exptl_absorpt_coefficient_mu    0.613
_exptl_absorpt_correction_T_max  0.9492
_exptl_absorpt_correction_T_min  0.8770
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2008/1 (Bruker AXS)'
_exptl_crystal_colour            Black
_exptl_crystal_density_diffrn    1.411
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Tabullar
_exptl_crystal_F_000             936
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.306
_refine_diff_density_min         -0.190
_refine_diff_density_rms         0.039
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     325
_refine_ls_number_reflns         3672
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0623
_refine_ls_R_factor_gt           0.0480
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0799P)^2^+0.2751P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1280
_refine_ls_wR_factor_ref         0.1399
_reflns_number_gt                2843
_reflns_number_total             3672
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol6b00637_si_003.cif
_cod_data_source_block           cu_110833_0m
_cod_depositor_comments
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The following automatic conversions were performed:

data item '_exptl_crystal_density_meas' value 'not measured' was
changed to '?' -- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
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_cod_database_code               1555531