Copper-catalyzed synthesis of enantioenriched tetraarylethanes.
Jen, Wendy S.; Truppo, Matthew D.; Amos, Deborah; Devine, Paul; McNevin, Michael; Biba, Mirlinda; Campos, Kevin R.; Organic letters 10 (2008) 741–744; doi:10.1021/ol7027543

data_1504503
_publ_section_title
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 Copper-catalyzed synthesis of enantioenriched tetraarylethanes.
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_journal_issue                   5
_journal_name_full               'Organic letters'
_journal_page_first              741
_journal_page_last               744
_journal_paper_doi               10.1021/ol7027543
_journal_volume                  10
_journal_year                    2008
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C24 H18 Br2 N2'
_chemical_formula_sum            'C24 H18 Br2 N2'
_chemical_formula_weight         494.22
_chemical_name_common            compound_5
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      19
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_audit_creation_date             2007-11-09
_audit_creation_method           cif4csd
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.0694(5)
_cell_length_b                   11.7804(6)
_cell_length_c                   19.4812(11)
_cell_volume                     2081.4(2)
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       '\k-geometry diffractometer'
_diffrn_radiation_type           'Mo K\a'
_diffrn_reflns_av_R_equivalents  0.0244
_diffrn_reflns_av_sigmaI/netI    0.0277
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            23314
_diffrn_reflns_theta_full        27.17
_diffrn_reflns_theta_max         27.17
_diffrn_reflns_theta_min         2.02
_exptl_absorpt_coefficient_mu    3.906
_exptl_absorpt_correction_T_max  0.733
_exptl_absorpt_correction_T_min  0.370
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            clear
_exptl_crystal_density_diffrn    1.577
_exptl_crystal_F_000             984
_exptl_crystal_size_max          0.585
_exptl_crystal_size_mid          0.176
_exptl_crystal_size_min          0.085
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.002(6)
_refine_ls_goodness_of_fit_ref   1.102
_refine_ls_number_parameters     253
_refine_ls_number_reflns         4584
_refine_ls_R_factor_gt           0.0200
_refine_ls_wR_factor_ref         0.0512
_reflns_number_gt                4408
_reflns_number_total             4584
_cod_data_source_file            ol7027543-file002.cif
_cod_data_source_block           MDC097
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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               1504503