The Baylis–Hillman adduct of 4-nitrobenzaldehyde and cyclohex-2-en-1-one: 2-[hydroxy(4-nitrophenyl)methyl]-cyclohex-2-en-1-one
Huo, Fangjun; Yin, Caixia; Guo, Wei; Xia, Chizhong; Yang, Pin; Acta Crystallographica Section E 60 (2004) o419–o421; doi:10.1107/S1600536804003587

data_2203365
_publ_section_title
;
 The Baylis--Hillman adduct of 4-nitrobenzaldehyde and
 cyclohex-2-en-1-one:
 2-[hydroxy(4-nitrophenyl)methyl]-cyclohex-2-en-1-one
;
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o419
_journal_page_last               o421
_journal_paper_doi               10.1107/S1600536804003587
_journal_volume                  60
_journal_year                    2004
_chemical_formula_iupac          'C13 H13 N O4'
_chemical_formula_moiety         'C13 H13 N O4'
_chemical_formula_sum            'C13 H13 N O4'
_chemical_formula_weight         247.24
_chemical_melting_point          362
_chemical_name_common
2-[hydroxy(4-nitrophenyl)methyl]-cyclohex-2-en-1-one
_chemical_name_systematic
;
2-[hydroxy(4-nitrophenyl)methyl]-cyclohex-2-en-1-one
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 97.884(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.7202(16)
_cell_length_b                   10.131(3)
_cell_length_c                   17.813(4)
_cell_measurement_reflns_used    6932
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      22.2
_cell_measurement_theta_min      2.32
_cell_volume                     1201.3(5)
_computing_cell_refinement       'SAINT (Bruker, 2000)'
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL (Bruker, 1999)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      298(2)
_diffrn_detector_area_resol_mean '100x100 microns'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART 1K CCD area-detector'
_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  0.087
_diffrn_reflns_av_sigmaI/netI    0.073
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            5777
_diffrn_reflns_theta_full        25.0
_diffrn_reflns_theta_max         25.0
_diffrn_reflns_theta_min         2.3
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.10
_exptl_absorpt_correction_T_max  0.99
_exptl_absorpt_correction_T_min  0.98
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.367
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       pillar
_exptl_crystal_F_000             520
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.21
_refine_diff_density_min         -0.17
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.01
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     164
_refine_ls_number_reflns         2102
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.01
_refine_ls_R_factor_all          0.085
_refine_ls_R_factor_gt           0.056
_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^)+(0.0649P)^2^] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.131
_refine_ls_wR_factor_ref         0.146
_reflns_number_gt                1396
_reflns_number_total             2102
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ya6194.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 'Monoclinic' changed to 'monoclinic'
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_cell_volume        1201.2(5)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2203365
_cod_database_fobs_code          2203365