α-Formylphenylacetonitrile in the Solid State at 220K
Clelland, Iain C.; McNab, Hamish; Parsons, Simon; Acta Crystallographica Section C 53 (1997) 807–809; doi:10.1107/S0108270197002382

data_2006187
_publ_section_title
;
 \a-Formylphenylacetonitrile in the Solid State at 220K
;
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              807
_journal_page_last               809
_journal_paper_doi               10.1107/S0108270197002382
_journal_volume                  53
_journal_year                    1997
_chemical_formula_sum            'C9 H7 N O'
_chemical_formula_weight         145.16
_chemical_melting_point          .159E-157
_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'
_audit_creation_method           SHELXL
_cell_angle_alpha                90.00
_cell_angle_beta                 114.43(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.648(4)
_cell_length_b                   11.561(8)
_cell_length_c                   8.189(4)
_cell_measurement_reflns_used    14
_cell_measurement_temperature    220.0(2)
_cell_measurement_theta_max      30
_cell_measurement_theta_min      20
_cell_volume                     745.4(8)
_computing_cell_refinement       DIF4
_computing_data_collection       'DIF4 (Stoe & Cie, 1990a)'
_computing_data_reduction        'REDU4 (Stoe & Cie, 1990b)'
_computing_molecular_graphics    SHELXTL/PC
_computing_publication_material  SHELXTL/PC
_computing_structure_refinement  SHELXTL/PC
_computing_structure_solution    'SHELXTL/PC (Sheldrick, 1995)'
_diffrn_ambient_temperature      220.0(2)
_diffrn_measurement_device
;
Stoe Stadi-4 diffractometer equipped with an Oxford Cryosystems variable
temperature device (Cosier & Glazer, 1986)
;
_diffrn_measurement_device_type
;
Stoe Stadi-4 diffractometer equipped with an Oxford Cryosystems variable
temperature device (Cosier & Glazer, 1986)
;
_diffrn_measurement_method       '\w-\q scans [width (1.32 + 0.15tan\q)\%]'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0196
_diffrn_reflns_av_sigmaI/netI    0.0200
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -3
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            2078
_diffrn_reflns_theta_max         60.01
_diffrn_reflns_theta_min         5.62
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  120
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.693
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.293
_exptl_crystal_density_meas      ?
_exptl_crystal_description       Tablet
_exptl_crystal_F_000             304
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.16
_refine_diff_density_min         -0.13
_refine_ls_extinction_coef       0.0095(15)
_refine_ls_extinction_method     SHELXL93
_refine_ls_goodness_of_fit_all   1.045
_refine_ls_goodness_of_fit_obs   1.096
_refine_ls_hydrogen_treatment
;
H atoms: H2--H6 were placed in calculated positions, while H13 and H14 were
located in a difference map.
;
_refine_ls_matrix_type           full
_refine_ls_number_parameters     109
_refine_ls_number_reflns         1097
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.045
_refine_ls_restrained_S_obs      1.096
_refine_ls_R_factor_all          0.0454
_refine_ls_R_factor_obs          .0359
_refine_ls_shift/esd_max         0.000
_refine_ls_shift/esd_mean        0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0566P)^2^+0.1377P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.0976
_refine_ls_wR_factor_obs         .0922
_reflns_number_observed          910
_reflns_number_total             1097
_reflns_observed_criterion       >2sigma(I)
_cod_data_source_file            bm1136.cif
_cod_data_source_block           1b
_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.

'_exptl_absorpt_correction_type' value 'None' changed to
'none' 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 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'Not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 

The following automatic conversions were performed:

'_refine_ls_weighting_scheme' value 'calc
w=1/[\s^2^(Fo^2^)+(0.0566P)^2^+0.1377P] where P=(Fo^2^+2Fc^2^)/3' was
changed to 'calc'. New tag '_refine_ls_weighting_details' was
created. The value of the new tag was set to
'w=1/[\s^2^(Fo^2^)+(0.0566P)^2^+0.1377P] where P=(Fo^2^+2Fc^2^)/3'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
;
_cod_original_cell_volume        745.4(7)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2006187