The crystal packing modes of three sterically overcrowded imidazole derivatives
André, C.; Luger, P.; Lotz, S.; Fehlhammer, W.-P.; Acta Crystallographica Section B 52 (1996) 369–375; doi:10.1107/S0108768195011293

data_2101495
_publ_section_title
;
 The crystal packing modes of three sterically overcrowded imidazole
 derivatives
;
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              369
_journal_page_last               375
_journal_paper_doi               10.1107/S0108768195011293
_journal_volume                  52
_journal_year                    1996
_chemical_formula_sum            'C21 H23 N3 O2'
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_cell_measurement_temperature    293
_cell_volume                     3809(2)
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_computing_structure_solution    xtal
_diffrn_ambient_temperature      293
_diffrn_measurement_device       'Stoe four-circle'
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_diffrn_radiation_type           CuK\a
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_exptl_crystal_density_diffrn    1.218
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_refine_diff_density_min         -0.268
_refine_ls_extinction_method     '13 reflections excluded'
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_refine_ls_weighting_details     'w = 1/\s^2^(F)'
_refine_ls_weighting_scheme      calc
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_reflns_number_observed          1823
_reflns_number_total             2854
_reflns_observed_criterion       F>2\s(F)
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_cod_depositor_comments
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The following automatic conversions were performed:

'_refine_ls_weighting_scheme' value 'w = 1/\s^2^(F)' was changed to
'calc'. New tag '_refine_ls_weighting_details' was created. The value
of the new tag was set to 'w = 1/\s^2^(F)'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
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_cod_original_sg_symbol_Hall     -P_2ac_2ab
_cod_database_code               2101495