11-(2,2-Dimethylpropyl)-12-{2-[12-(2,2-dimethylpropyl)-9,10-dihydro-9,10-ethenoanthracen-11-yl]ethyl}-9,10-dihydro-9,10-ethenoanthracene
Herres, Joeseph P.; Forman, Mark A.; Wheeler, Kraig A.; Yap, Glenn P.A.; Acta Crystallographica Section E 61 (2005) o1223–o1225; doi:10.1107/S160053680500944X

data_2205707
_publ_section_title
11-(2,2-Dimethylpropyl)-12-{2-[12-(2,2-dimethylpropyl)-9,10-dihydro-9,10-ethenoanthracen-11-yl]ethyl}-9,10-dihydro-9,10-ethenoanthracene
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1223
_journal_page_last               o1225
_journal_paper_doi               10.1107/S160053680500944X
_journal_volume                  61
_journal_year                    2005
_chemical_formula_moiety         'C44 H46'
_chemical_formula_sum            'C44 H46'
_chemical_formula_weight         574.81
_chemical_melting_point          226.5(5)
_chemical_name_systematic
;
12,12'-Diisobutyl-11,11'-ethylenebis(9,10-dihydro-9,10-ethenoanthracene)
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 102.654(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.2450(8)
_cell_length_b                   10.0697(9)
_cell_length_c                   18.870(2)
_cell_measurement_reflns_used    52
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      24.861
_cell_measurement_theta_min      23.660
_cell_volume                     1714.0(3)
_computing_cell_refinement       XSCANS
_computing_data_collection       'XSCANS (Bruker, 1999)'
_computing_data_reduction        XSCANS
_computing_molecular_graphics    'X-SEED (Barbour, 2001)'
_computing_publication_material  X-SEED
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Siemens P4'
_diffrn_measurement_method       \q/2\q
_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  0.0318
_diffrn_reflns_av_sigmaI/netI    0.0837
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -1
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -1
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            4212
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         2.21
_diffrn_standards_decay_%        <3
_diffrn_standards_interval_count 97
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.062
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.114
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'transparent prism'
_exptl_crystal_F_000             620
_exptl_crystal_size_max          0.44
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.155
_refine_diff_density_min         -0.167
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.001
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     202
_refine_ls_number_reflns         3136
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.001
_refine_ls_R_factor_all          0.1336
_refine_ls_R_factor_gt           0.0593
_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^)+(0.0526P)^2^] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1087
_refine_ls_wR_factor_ref         0.1336
_reflns_number_gt                1667
_reflns_number_total             3136
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            fl6152.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_geom_bond_publ_flag' value 'Y' changed to 'y' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (6
times).

'_geom_angle_publ_flag' value 'Y' changed to 'y' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (8 times).

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_chemical_melting_point' value '226-227' was changed to '226.5(5)' -
the average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 

The following automatic conversions were performed:

'_chemical_melting_point' value '226-227' was changed to '226.5(5)' -
the average value was taken and precision was
estimated.

'_geom_bond_publ_flag' value 'Y' changed to 'y' according
to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary
named 'cif_core.dic' version 2.4.1 from 2010-06-29 (6
times).

'_geom_angle_publ_flag' value 'Y' changed to 'y' according
to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary
named 'cif_core.dic' version 2.4.1 from 2010-06-29 (8 times).

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2205707
_cod_database_fobs_code          2205707