Carbo-cyclohexadienes vs. carbo-benzenes: structure and conjugative properties
Rives, Arnaud; Baglai, Iaroslav; Barthes, Cécile; Maraval, Valérie; Saffon-Merceron, Nathalie; Saquet, Alix; Voitenko, Zoia; Volovenko, Yulian; Chauvin, Remi; Chem. Sci. 6 (2015) 1139–; doi:10.1039/C4SC02742F

data_1518234
_publ_section_title
;
 Carbo-cyclohexadienes vs. carbo-benzenes: structure and conjugative
 properties
;
_journal_issue                   2
_journal_name_full               'Chem. Sci.'
_journal_page_first              1139
_journal_paper_doi               10.1039/C4SC02742F
_journal_volume                  6
_journal_year                    2015
_chemical_formula_sum            'C49 H25 Cl3 F12 O2'
_chemical_formula_weight         980.04
_chemical_name_systematic
; 
 ? 
;
_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                 92.841(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.8182(16)
_cell_length_b                   35.815(5)
_cell_length_c                   9.7626(14)
_cell_measurement_reflns_used    2244
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      19.94
_cell_measurement_theta_min      2.62
_cell_volume                     4476.3(11)
_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      193(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker kappa APEX-II CCD Quazar'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  'multilayer optics'
_diffrn_radiation_source         'micro-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1994
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_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       42
_diffrn_reflns_limit_k_min       -42
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            59064
_diffrn_reflns_theta_full        24.71
_diffrn_reflns_theta_max         24.71
_diffrn_reflns_theta_min         5.10
_exptl_absorpt_coefficient_mu    0.295
_exptl_absorpt_correction_T_max  0.9883
_exptl_absorpt_correction_T_min  0.9434
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker-AXS)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.454
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1976
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.573
_refine_diff_density_min         -0.326
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     653
_refine_ls_number_reflns         7551
_refine_ls_number_restraints     102
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.2077
_refine_ls_R_factor_gt           0.0829
_refine_ls_shift/su_max          0.012
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0921P)^2^+5.9849P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1877
_refine_ls_wR_factor_ref         0.2414
_reflns_number_gt                3302
_reflns_number_total             7551
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4sc02742f2.cif
_cod_data_source_block           12c
_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 2827 2014-09-09 07:05:25Z andrius 

 Adding full bibliography for 1518232--1518234.cif.
;
_cod_original_cell_volume        4476.4(11)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1518234