Disordered 4'-hydroxyflavanone
Agata Białońska; Zbigniew Ciunik; Edyta Kostrzewa-Susłow; Jadwiga Dmochowska-Gładysz; Acta Crystallographica Section E 63 (2007) o432–o433; doi:10.1107/S1600536806054663

data_2212277
_publ_section_title
;
 Disordered 4'-hydroxyflavanone
;
_journal_coeditor_code           LH2267
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o432
_journal_page_last               o433
_journal_paper_doi               10.1107/S1600536806054663
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          'C15 H12 O3'
_chemical_formula_moiety         'C15 H12 O3'
_chemical_formula_sum            'C15 H12 O3'
_chemical_formula_weight         240.25
_chemical_name_systematic
;
4'-hydroxyflavanone
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 102.62(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.247(2)
_cell_length_b                   15.374(3)
_cell_length_c                   14.870(5)
_cell_measurement_reflns_used    19834
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      36.59
_cell_measurement_theta_min      3.00
_cell_volume                     1170.5(7)
_computing_cell_refinement       'CrysAlis RED (Oxford Diffraction, 2001)'
_computing_data_collection       'CrysAlis CCD (Oxford Diffraction, 2001)'
_computing_data_reduction        'CrysAlis RED'
_computing_molecular_graphics    'SHELXTL-NT (Bruker, 1999)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Kuma KM-4-CCD'
_diffrn_measurement_method       \w
_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  0.0837
_diffrn_reflns_av_sigmaI/netI    0.0907
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            17651
_diffrn_reflns_theta_full        30.00
_diffrn_reflns_theta_max         30.00
_diffrn_reflns_theta_min         3.00
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.363
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             504
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.201
_refine_diff_density_min         -0.174
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.982
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     187
_refine_ls_number_reflns         3396
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.982
_refine_ls_R_factor_all          0.1175
_refine_ls_R_factor_gt           0.0497
_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^)+(0.0283P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0773
_refine_ls_wR_factor_ref         0.0893
_reflns_number_gt                1923
_reflns_number_total             3396
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            lh2267.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2212277