Synthesis, Properties, and Structures of Functionalizedperi-Xanthenoxanthene
Lv, Na; Xie, Meilan; Gu, Weibing; Ruan, Huanyang; Qiu, Song; Zhou, Chunshan; Cui, Zheng; Organic Letters 15 (2013) 2382–; doi:10.1021/ol400790d

data_1512037
_publ_section_title
;
 Synthesis, Properties, and Structures of
 Functionalizedperi-Xanthenoxanthene
;
_journal_issue                   10
_journal_name_full               'Organic Letters'
_journal_page_first              2382
_journal_paper_doi               10.1021/ol400790d
_journal_volume                  15
_journal_year                    2013
_chemical_formula_sum            'C36 H42 O2'
_chemical_formula_weight         506.70
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 105.089(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   36.680(12)
_cell_length_b                   4.7179(16)
_cell_length_c                   16.708(6)
_cell_measurement_reflns_used    1170
_cell_measurement_temperature    140(2)
_cell_measurement_theta_max      25.06
_cell_measurement_theta_min      2.49
_cell_volume                     2791.7(17)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      140(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_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           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0624
_diffrn_reflns_av_sigmaI/netI    0.0652
_diffrn_reflns_limit_h_max       40
_diffrn_reflns_limit_h_min       -44
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            9286
_diffrn_reflns_theta_full        26.03
_diffrn_reflns_theta_max         26.03
_diffrn_reflns_theta_min         2.30
_exptl_absorpt_coefficient_mu    0.072
_exptl_absorpt_correction_T_max  0.9964
_exptl_absorpt_correction_T_min  0.9786
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.206
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1096
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.205
_refine_diff_density_min         -0.258
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.016
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     173
_refine_ls_number_reflns         2734
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.016
_refine_ls_R_factor_all          0.0941
_refine_ls_R_factor_gt           0.0507
_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^)+(0.0720P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1259
_refine_ls_wR_factor_ref         0.1491
_reflns_number_gt                1653
_reflns_number_total             2734
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol400790d_si_001.cif
_cod_data_source_block           mo_dm12705_0m
_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 2.3.1 from 2005-06-27.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               1512037