Triclinic form of 1,2,4,5-tetracyclohexylbenzene
Mague, Joel T.; Linhardt, Lisa; Medina, Iliana; Sattler, Daniel J.; Fink, Mark J.; Acta Crystallographica Section E 64 (2008) o376–o376; doi:10.1107/S1600536807067578

data_2217508
_publ_section_title
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 Triclinic form of 1,2,4,5-tetracyclohexylbenzene
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_journal_coeditor_code           GK2128
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o376
_journal_page_last               o376
_journal_paper_doi               10.1107/S1600536807067578
_journal_volume                  64
_journal_year                    2008
_chemical_formula_iupac          'C30 H46'
_chemical_formula_moiety         'C30 H46'
_chemical_formula_sum            'C30 H46'
_chemical_formula_weight         406.67
_chemical_name_systematic
;
1,2,4,5-tetracyclohexylbenzene
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                91.164(2)
_cell_angle_beta                 94.815(2)
_cell_angle_gamma                106.336(3)
_cell_formula_units_Z            1
_cell_length_a                   6.0140(10)
_cell_length_b                   10.0010(10)
_cell_length_c                   10.513(2)
_cell_measurement_reflns_used    2522
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.268
_cell_measurement_theta_min      2.815
_cell_volume                     604.01(16)
_computing_cell_refinement       'SAINT-Plus (Bruker, 2004)'
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        'SAINT-Plus (Bruker, 2004)'
_computing_molecular_graphics    'SHELXTL (Bruker, 2000)'
_computing_publication_material  'SHELXTL (Bruker, 2000)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 0
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Bruker SMART APEX CCD area-detector'
_diffrn_measurement_method       \w
_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  0.0230
_diffrn_reflns_av_sigmaI/netI    0.0395
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            4730
_diffrn_reflns_theta_full        25.99
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         1.95
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.062
_exptl_absorpt_correction_T_max  0.9927
_exptl_absorpt_correction_T_min  0.9402
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2002)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.118
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             226
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.441
_refine_diff_density_min         -0.255
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     136
_refine_ls_number_reflns         2363
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0734
_refine_ls_R_factor_gt           0.0565
_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^)+(0.0804P)^2^+0.1811P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1373
_refine_ls_wR_factor_ref         0.1467
_reflns_number_gt                1862
_reflns_number_total             2363
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            gk2128.cif
_cod_data_source_block           I
_cod_depositor_comments
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The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 
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_cod_database_code               2217508
_cod_database_fobs_code          2217508