Spectroscopic and X-ray Crystallographic Evidence for Electrostatic Effects in 4-Substituted Cyclohexanone-Derived Hydrazones, Imines, and Corresponding Salts
David J. Dibble; Joseph W. Ziller; K. A. Woerpel; Journal of Organic Chemistry 76 (2011) 7706–7719; doi:10.1021/jo200950s

data_4026597
_publ_section_title
;
 Spectroscopic and X-ray Crystallographic Evidence for Electrostatic
 Effects in 4-Substituted Cyclohexanone-Derived Hydrazones, Imines, and
 Corresponding Salts
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              7706
_journal_page_last               7719
_journal_paper_doi               10.1021/jo200950s
_journal_volume                  76
_journal_year                    2011
_chemical_absolute_configuration syn
_chemical_formula_sum            'C23 H26 N4 O5'
_chemical_formula_weight         438.48
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXTL
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.0264(7)
_cell_length_b                   5.8000(3)
_cell_length_c                   22.8485(11)
_cell_measurement_reflns_used    9991
_cell_measurement_temperature    103(2)
_cell_measurement_theta_max      28.28
_cell_measurement_theta_min      2.54
_cell_volume                     2123.84(18)
_computing_cell_refinement       'Bruker SMART APEX2/SAINT'
_computing_data_collection       'Bruker SMART 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      103(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD'
_diffrn_measurement_method       'phi and omega'
_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  0.0345
_diffrn_reflns_av_sigmaI/netI    0.0274
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            23570
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         28.30
_diffrn_reflns_theta_min         2.54
_exptl_absorpt_coefficient_mu    0.098
_exptl_absorpt_correction_T_max  0.9912
_exptl_absorpt_correction_T_min  0.9562
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.371
_exptl_crystal_density_meas      ?
_exptl_crystal_description       rod
_exptl_crystal_F_000             928
_exptl_crystal_size_max          0.46
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.243
_refine_diff_density_min         -0.194
_refine_diff_density_rms         0.037
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     393
_refine_ls_number_reflns         5163
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0346
_refine_ls_R_factor_gt           0.0310
_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^)+(0.0453P)^2^+0.2994P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0761
_refine_ls_wR_factor_ref         0.0787
_reflns_number_gt                4817
_reflns_number_total             5163
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo200950s_si_003.cif
_cod_data_source_block           kaw131
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' 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 
;
_cod_database_code               4026597