Competing hydrogen-bond donors: phenols vs. cyanooximes
Aakeröy, Christer B.; Epa, Kanishka N.; Forbes, Safiyyah; Desper, John; CrystEngComm 15 (2013) 5946–; doi:10.1039/c3ce41023d

data_7210430
_publ_section_title
;
 Competing hydrogen-bond donors: phenols vs. cyanooximes
;
_journal_issue                   30
_journal_name_full               CrystEngComm
_journal_page_first              5946
_journal_paper_doi               10.1039/c3ce41023d
_journal_volume                  15
_journal_year                    2013
_chemical_formula_moiety         '(C8 H6 N2 O2) (C8 H12 N2 O)'
_chemical_formula_sum            'C16 H18 N4 O3'
_chemical_formula_weight         314.34
_chemical_name_systematic
'KE14PCY13 4-HO-PhC(CN)=NOH, 2,3,5,6-Me4-pyridine-1-oxide'
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      33
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.4477(8)
_cell_length_b                   15.7463(8)
_cell_length_c                   6.4254(3)
_cell_measurement_reflns_used    8006
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      33.15
_cell_measurement_theta_min      2.59
_cell_volume                     1562.94(13)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0534
_diffrn_reflns_av_sigmaI/netI    0.0384
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            19041
_diffrn_reflns_theta_full        33.14
_diffrn_reflns_theta_max         33.14
_diffrn_reflns_theta_min         1.85
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_T_max  0.9868
_exptl_absorpt_correction_T_min  0.9757
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.336
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             664
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.401
_refine_diff_density_min         -0.204
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.082
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     218
_refine_ls_number_reflns         3195
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.082
_refine_ls_R_factor_all          0.0446
_refine_ls_R_factor_gt           0.0384
_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^)+(0.0700P)^2^+0.0400P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1039
_refine_ls_wR_factor_ref         0.1095
_reflns_number_gt                2848
_reflns_number_total             3195
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce41023d.txt
_cod_data_source_block           PhOx:2
_cod_database_code               7210430