Enhanced enantioselectivity of 3-methylcyclohexanone by mixed diol host compounds
L.R.Nassimbeni; Hong Su; Tanith-Lee Curtin; Chem.Commun. 48 (2012) 8526–; doi:10.1039/c2cc34118b

data_7108182
_publ_section_title
;
 Enhanced enantioselectivity of 3-methylcyclohexanone by mixed diol host
 compounds
;
_journal_name_full               Chem.Commun.
_journal_page_first              8526
_journal_paper_doi               10.1039/c2cc34118b
_journal_volume                  48
_journal_year                    2012
_chemical_absolute_configuration rmad
_chemical_formula_sum            'C44 H44 Cl2 O4'
_chemical_formula_weight         707.69
_chemical_name_common
;
(R,R)-(-)-1,6-Bis(o-chlorophenyl)-1,6-diphenylhexa-2,4-diyn-
1,6-diol 3-methylcyclohexanone clathrate
;
_chemical_name_systematic
;
(R,R)-(-)-1,6-Bis(o-chlorophenyl)-1,6-diphenylhexa-2,4-diyn-1,6-diol
3-methylcyclohexanone clathrate
;
_space_group_IT_number           1
_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                91.629(2)
_cell_angle_beta                 99.871(2)
_cell_angle_gamma                102.048(2)
_cell_formula_units_Z            1
_cell_length_a                   8.5231(8)
_cell_length_b                   8.7974(9)
_cell_length_c                   13.1011(13)
_cell_measurement_reflns_used    12269
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      26.51
_cell_measurement_theta_min      1.58
_cell_volume                     944.37(16)
_computing_cell_refinement
'SAINT (7.60a, Bruker AXS Inc., Madison, WI, USA, 2006)'
_computing_data_collection
'SAINT (7.60a, Bruker AXS Inc., Madison, WI, USA, 2006)'
_computing_data_reduction
'SAINT (7.60a, Bruker AXS Inc., Madison, WI, USA, 2006)'
_computing_molecular_graphics    'X-Seed (Barbour, 2001)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker Kappa Duo Apex II Diffractometer'
_diffrn_measurement_method       '0.5\% \f scans and \w 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  0.0232
_diffrn_reflns_av_sigmaI/netI    0.0491
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            12269
_diffrn_reflns_theta_full        26.51
_diffrn_reflns_theta_max         26.51
_diffrn_reflns_theta_min         1.58
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.214
_exptl_absorpt_correction_T_max  0.9789
_exptl_absorpt_correction_T_min  0.9505
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.244
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             374
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.491
_refine_diff_density_min         -0.684
_refine_diff_density_rms         0.088
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.08(10)
_refine_ls_extinction_coef       none
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     459
_refine_ls_number_reflns         7627
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.0976
_refine_ls_R_factor_gt           0.0791
_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^)+(0.1673P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2132
_refine_ls_wR_factor_ref         0.2326
_reflns_number_gt                5808
_reflns_number_total             7627
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2cc34118b.txt
_cod_data_source_block           2
_cod_depositor_comments
;
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 
;
_cod_original_sg_symbol_H-M      P1
_cod_database_code               7108182