2-(7-Methyl-3-oxo-1-phenylperhydronaphthalen-4a-yl)malononitrile
Kang, Tai-Ran; Chen, Lian-Mei; Acta Crystallographica Section E 65 (2009) o3065–; doi:10.1107/S1600536809047175

data_2224513
_publ_section_title
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 2-(7-Methyl-3-oxo-1-phenylperhydronaphthalen-4a-yl)malononitrile
;
_journal_coeditor_code           XU2670
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o3065
_journal_paper_doi               10.1107/S1600536809047175
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C20 H22 N2 O'
_chemical_formula_moiety         'C20 H22 N2 O'
_chemical_formula_sum            'C20 H22 N2 O'
_chemical_formula_weight         306.40
_chemical_name_systematic
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2-(7-Methyl-3-oxo-1-phenylperhydronaphthalen-4a-yl)malononitrile
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 101.38(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   11.575(2)
_cell_length_b                   6.0907(12)
_cell_length_c                   12.276(3)
_cell_measurement_reflns_used    2724
_cell_measurement_temperature    113(2)
_cell_measurement_theta_max      27.9
_cell_measurement_theta_min      3.40
_cell_volume                     848.4(3)
_computing_cell_refinement       'CrystalClear (Rigaku/MSC, 2005)'
_computing_data_collection       'CrystalClear (Rigaku/MSC, 2005)'
_computing_data_reduction        'CrystalClear (Rigaku/MSC, 2005)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      113(2)
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Rigaku Saturn CCD area-detector'
_diffrn_measurement_method       '\w and \f'
_diffrn_radiation_monochromator  confocal
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0627
_diffrn_reflns_av_sigmaI/netI    0.0812
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            7044
_diffrn_reflns_theta_full        27.87
_diffrn_reflns_theta_max         27.87
_diffrn_reflns_theta_min         3.39
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.074
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.199
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             328
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.222
_refine_diff_density_min         -0.241
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     209
_refine_ls_number_reflns         2194
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0505
_refine_ls_R_factor_gt           0.0393
_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^)+(0.0210P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0807
_refine_ls_wR_factor_ref         0.0826
_reflns_number_gt                1479
_reflns_number_total             2194
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            xu2670.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'
_cod_database_code               2224513
_cod_database_fobs_code          2224513