(<i>E</i>)-2-(4-Chlorobenzylidene)cyclooctanone
Shen-Lin Huang; Yu-Lin Zhu; Yuan-Jiang Pan; Acta Crystallographica Section E 60 (2004) o1504–o1506; doi:10.1107/S1600536804017994

data_2204245
_publ_section_title
;
 (<i>E</i>)-2-(4-Chlorobenzylidene)cyclooctanone
;
_journal_issue                   9
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1504
_journal_page_last               o1506
_journal_paper_doi               10.1107/S1600536804017994
_journal_volume                  60
_journal_year                    2004
_chemical_formula_iupac          'C15 H17 Cl O'
_chemical_formula_moiety         'C15 H17 Cl O'
_chemical_formula_sum            'C15 H17 Cl O'
_chemical_formula_weight         248.74
_chemical_melting_point          .362E-305
_chemical_name_systematic
;
(E)-2-(4-Chlorobenzylidene)cyclooctanone
;
_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                 100.223(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.4740(10)
_cell_length_b                   10.5450(10)
_cell_length_c                   8.5680(10)
_cell_measurement_reflns_used    34
_cell_measurement_temperature    288(2)
_cell_measurement_theta_max      15.16
_cell_measurement_theta_min      2.76
_cell_volume                     664.55(14)
_computing_cell_refinement       XSCANS
_computing_data_collection       'XSCANS (Siemens, 1994)'
_computing_data_reduction        'SHELXTL (Siemens, 1991)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      288(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Siemens P4'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0156
_diffrn_reflns_av_sigmaI/netI    0.0384
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            3675
_diffrn_reflns_theta_full        27.70
_diffrn_reflns_theta_max         27.70
_diffrn_reflns_theta_min         2.42
_diffrn_standards_decay_%        3.5
_diffrn_standards_interval_count 97
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.269
_exptl_absorpt_correction_T_max  0.898
_exptl_absorpt_correction_T_min  0.858
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SHELXTL; Siemens, 1991)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.243
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             264
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.38
_refine_diff_density_max         0.141
_refine_diff_density_min         -0.112
_refine_ls_abs_structure_details '1473 Friedel pairs (Flack, 1983)'
_refine_ls_abs_structure_Flack   -0.01(6)
_refine_ls_extinction_coef       0.056(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.962
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     155
_refine_ls_number_reflns         3115
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.961
_refine_ls_R_factor_all          0.0508
_refine_ls_R_factor_gt           0.0356
_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^)+(0.0378P)^2^] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0755
_refine_ls_wR_factor_ref         0.0790
_reflns_number_gt                2310
_reflns_number_total             3115
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            wn6265.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        664.60(10)
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               2204245
_cod_database_fobs_code          2204245