Formation of quinol co-crystals with hydrogen-bond acceptors
Oswald, Iain D. H.; Motherwell, W. D. Samuel; Parsons, Simon; Acta Crystallographica Section B 61 (2005) 46–57; doi:10.1107/S0108768104028605

data_2100229
_publ_section_title
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 Formation of quinol co-crystals with hydrogen-bond acceptors
;
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              46
_journal_page_last               57
_journal_paper_doi               10.1107/S0108768104028605
_journal_volume                  61
_journal_year                    2005
_chemical_formula_moiety         'C4 H10 N2, C6 H6 O2'
_chemical_formula_sum            'C10 H16 N2 O2'
_chemical_formula_weight         196.25
_chemical_name_common            quinol:piperazine
_space_group_IT_number           2
_symmetry_cell_setting           'Triclinic twin'
_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                100.269(4)
_cell_angle_beta                 112.446(3)
_cell_angle_gamma                90.163(3)
_cell_formula_units_Z            1
_cell_length_a                   5.7060(15)
_cell_length_b                   6.7599(19)
_cell_length_c                   7.0771(18)
_cell_measurement_reflns_used    2430
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      28.68
_cell_measurement_theta_min      3.07
_cell_volume                     247.50(11)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997b)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997b)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.926
_diffrn_measured_fraction_theta_max 0.926
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       '\w scans'
_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  0.0294
_diffrn_reflns_av_sigmaI/netI    0.0470
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            3814
_diffrn_reflns_theta_full        28.78
_diffrn_reflns_theta_max         28.78
_diffrn_reflns_theta_min         3.07
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.093
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.874
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.317
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             106
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.318
_refine_diff_density_min         -0.331
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.091
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     73
_refine_ls_number_reflns         1194
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.091
_refine_ls_R_factor_all          0.0537
_refine_ls_R_factor_gt           0.0512
_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^)+(0.0269P)^2^+0.1505P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1169
_refine_ls_wR_factor_ref         0.1180
_reflns_number_gt                1117
_reflns_number_total             1194
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ws5013.cif
_cod_data_source_block           2
_cod_depositor_comments
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The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' 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_original_sg_symbol_H-M      P-1
_cod_database_code               2100229
_cod_database_fobs_code          2100229