Orthorhombic form of 6-phenylhex-5-ene-2,4-dione
Arrieta, Antonio F.; Arvid Mostad; Acta Crystallographica Section E 57 (2001) o1198–o1199; doi:10.1107/S1600536801018669

data_2200647
_publ_section_title
;
 Orthorhombic form of 6-phenylhex-5-ene-2,4-dione
;
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1198
_journal_page_last               o1199
_journal_paper_doi               10.1107/S1600536801018669
_journal_volume                  57
_journal_year                    2001
_chemical_formula_moiety         'C12 H12 O2'
_chemical_formula_sum            'C12 H12 O2'
_chemical_formula_weight         188.22
_chemical_name_common            Cinnamonylaceton
_chemical_name_systematic
;
6-phenyl-hex-5-ene-2,3-dione
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   8.9118(18)
_cell_length_b                   9.4953(19)
_cell_length_c                   23.628(5)
_cell_measurement_reflns_used    1024
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      56.57
_cell_measurement_theta_min      4.88
_cell_volume                     1999.4(7)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 1998)'
_computing_data_reduction        'SAINT (Bruker, 1998)'
_computing_molecular_graphics    'SHELXTL (Bruker, 1998)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      123(2)
_diffrn_detector_area_resol_mean 8
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART 1000'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     .71073
_diffrn_reflns_av_R_equivalents  .022
_diffrn_reflns_av_sigmaI/netI    .0099
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            22303
_diffrn_reflns_theta_full        28.29
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         1.72
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    .084
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.251
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             800
_exptl_crystal_size_max          .5
_exptl_crystal_size_mid          .5
_exptl_crystal_size_min          .5
_refine_diff_density_max         .27
_refine_diff_density_min         -.20
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.12
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     175
_refine_ls_number_reflns         2484
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.12
_refine_ls_R_factor_all          .051
_refine_ls_R_factor_gt           .041
_refine_ls_shift/su_max          .001
_refine_ls_shift/su_mean         <0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0786P)^2^+0.3676P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         .137
_reflns_number_gt                2117
_reflns_number_total             2484
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ci6070.cif
_cod_data_source_block           I
_cod_depositor_comments
;
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_enum 1527 2010-12-29 10:47:43Z saulius 

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 
;
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               2200647
_cod_database_fobs_code          2200647