2-(1-Hydroxy-2-oxo-1,2-dihydroacenaphthylen-1-yl)prop-2-enenitrile
M. Nizam Mohideen; P. S. Kannan; A. Subbiah Pandi; E. Ramesh; R. Raghunathan; Acta Crystallographica Section E 63 (2007) o4756–o4756; doi:10.1107/S1600536807057819

data_2216455
_publ_section_title
;
 2-(1-Hydroxy-2-oxo-1,2-dihydroacenaphthylen-1-yl)prop-2-enenitrile
;
_journal_coeditor_code           FL2178
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o4756
_journal_page_last               o4756
_journal_paper_doi               10.1107/S1600536807057819
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          'C15 H9 N O2'
_chemical_formula_moiety         'C15 H9 N O2'
_chemical_formula_sum            'C15 H9 N O2'
_chemical_formula_weight         235.23
_chemical_name_systematic
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2-(1-Hydroxy-2-oxo-1,2-dihydroacenaphthylen-1-yl)prop-2-enenitrile
;
_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                 108.5700(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.6980(3)
_cell_length_b                   10.1923(3)
_cell_length_c                   12.1248(4)
_cell_measurement_temperature    293(2)
_cell_volume                     1136.08(6)
_computing_cell_refinement       'APEX2 and SAINT (Bruker, 2004)'
_computing_data_collection       'APEX2 (Bruker, 2004)'
_computing_data_reduction        'SAINT (Bruker, 2004)'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 1997)'
_computing_publication_material
;
SHELXL97 (Sheldrick, 1997) and PLATON (Spek, 2003)
;
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type
;
'Bruker APEXII CCD area-detector diffractometer'
;
_diffrn_measurement_method       '\w and \p scan'
_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  0.0215
_diffrn_reflns_av_sigmaI/netI    0.0199
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            16220
_diffrn_reflns_theta_full        32.51
_diffrn_reflns_theta_max         32.51
_diffrn_reflns_theta_min         2.67
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.375
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             488
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.335
_refine_diff_density_min         -0.226
_refine_ls_extinction_coef       0.001
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 1997)'
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     164
_refine_ls_number_reflns         4109
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0755
_refine_ls_R_factor_gt           0.0515
_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^)+(0.0952P)^2^+0.1059P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1469
_refine_ls_wR_factor_ref         0.1689
_reflns_number_gt                2803
_reflns_number_total             4109
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            fl2178.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_sg_symbol_H-M      'P 21/c'
_cod_database_code               2216455
_cod_database_fobs_code          2216455