Redetermination of 2,3-dichloro-5,6-dicyano-1,4-dihydroxybenzene
Hoshina, Gakuse; Ohba, Shigeru; Tsuchimoto, Masanobu; Acta Crystallographica Section C 55 (1999) 592–594; doi:10.1107/S0108270198017399

data_2008351
_publ_section_title
;
 Redetermination of 2,3-dichloro-5,6-dicyano-1,4-dihydroxybenzene
;
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              592
_journal_page_last               594
_journal_paper_doi               10.1107/S0108270198017399
_journal_volume                  55
_journal_year                    1999
_chemical_formula_moiety         'C8 H2 Cl2 N2 O2'
_chemical_formula_sum            'C8 H2 Cl2 N2 O2'
_chemical_formula_weight         229.02
_chemical_name_common
;
2,3-Dicyano-1,4-dihydroxybenzene
;
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
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_cell_angle_beta                 90
_cell_angle_gamma                90
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_cell_length_b                   6.536(2)
_cell_length_c                   8.514(2)
_cell_measurement_reflns_used    22
_cell_measurement_temperature    296.2
_cell_measurement_theta_max      15.0
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_computing_cell_refinement       'MSC/AFC Diffractometer Control Software'
_computing_data_collection
;
MSC/AFC Diffractometer Control Software
(Molecular Structure Corporation, 1993)
;
_computing_data_reduction
'TEXSAN (Molecular Structure Corporation & Rigaku Corporation, 1998)'
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_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
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_diffrn_measurement_device_type  'Rigaku AFC-7R'
_diffrn_measurement_method       \q-2\q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Rigaku rotating anode'
_diffrn_radiation_type           'Mo K\a'
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_diffrn_standards_interval_count 150
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_exptl_absorpt_coefficient_mu    0.681
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_exptl_absorpt_correction_type   '\y scan'
_exptl_absorpt_process_details   '(North et al., 1968)'
_exptl_crystal_colour            yellow
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_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
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_refine_ls_shift/su_max          0.0005
_refine_ls_shift/su_mean         0.0000
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details     'w = 1/[\s^2^(Fo) + 0.00250|Fo|^2^]'
_refine_ls_weighting_scheme      calc
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