Cyanooximes as effective and selective co-crystallizing agents
Aakeröy, Christer B.; Salmon, Debra J.; Smith, Michelle M.; Desper, John; CrystEngComm 11 (2009) 439–443; doi:10.1039/b811322j

data_7200258
_publ_section_title
;
 Cyanooximes as effective and selective co-crystallizing agents
;
_journal_coden_ASTM              CRECF4
_journal_issue                   3
_journal_name_full               CrystEngComm
_journal_page_first              439
_journal_page_last               443
_journal_paper_doi               10.1039/b811322j
_journal_volume                  11
_journal_year                    2009
_chemical_formula_moiety
;
(C8 H5 N2 O F)2 (C12 H10 N2)
;
_chemical_formula_sum            'C28 H20 F2 N6 O2'
_chemical_formula_weight         510.50
_chemical_name_common
'(2-fluoro-PhC(CN)(=NOH))2, 1,2-di(4-pyridyl)ethene'
_chemical_name_systematic
;
[2-fluoro-PhC(CN)(=NOH)]2, 1,2-di(4-pyridyl)ethene
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                98.884(10)
_cell_angle_beta                 93.147(11)
_cell_angle_gamma                94.624(10)
_cell_formula_units_Z            1
_cell_length_a                   3.8189(6)
_cell_length_b                   11.2941(18)
_cell_length_c                   14.107(2)
_cell_measurement_reflns_used    783
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      26.70
_cell_measurement_theta_min      2.90
_cell_volume                     597.79(16)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.960
_diffrn_measured_fraction_theta_max 0.960
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.1106
_diffrn_reflns_av_sigmaI/netI    0.0972
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            4295
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         1.46
_exptl_absorpt_coefficient_mu    0.104
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.418
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             264
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.295
_refine_diff_density_min         -0.304
_refine_diff_density_rms         0.070
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     180
_refine_ls_number_reflns         2606
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.017
_refine_ls_R_factor_all          0.0869
_refine_ls_R_factor_gt           0.0597
_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^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1588
_refine_ls_wR_factor_ref         0.1754
_reflns_number_gt                1734
_reflns_number_total             2606
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            B811322J.txt
_cod_data_source_block           B5
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 

 Replaced the incorrect bibliographical reference to the original
 publication with a proper one.

 Antanas Vaitkus,
 2019-09-18
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7200258