6,6'-Dimethoxy-2,2'-[(1<i>R</i>,2<i>R</i>)-cyclohexane-1,2-diylbis(nitrilomethylidyne)]diphenol: three C—H···O hydrogen bonds generate a three-dimensional framework
Mohamed, E. Mothi; Muralidharan, Samraj; Panchanatheswaran, Krishnaswamy; Ramesh, Rengan; Low, John N.; Glidewell, Christopher; Acta Crystallographica Section C 59 (2003) o367–o369; doi:10.1107/S0108270103010205

data_2013501
_publ_section_title
;6,6'-Dimethoxy-2,2'-[(1<i>R</i>,2<i>R</i>)-cyclohexane-1,2-diylbis(nitrilomethylidyne)]diphenol:
 three C---H&#x00B7;&#x00B7;&#x00B7;O hydrogen bonds generate a
 three-dimensional framework
;
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o367
_journal_page_last               o369
_journal_paper_doi               10.1107/S0108270103010205
_journal_volume                  59
_journal_year                    2003
_chemical_formula_iupac          'C22 H26 N2 O4'
_chemical_formula_moiety         'C22 H26 N2 O4'
_chemical_formula_sum            'C22 H26 N2 O4'
_chemical_formula_weight         382.45
_chemical_name_systematic
;
6,6'-Dimethoxy-2,2'-[(1R,2R)-cyclohexane-1,2-
diylbis(nitrilomethylidyne)]diphenol
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.5558(2)
_cell_length_b                   13.40540(10)
_cell_length_c                   20.0304(3)
_cell_measurement_reflns_used    2642
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.43
_cell_measurement_theta_min      3.04
_cell_volume                     2028.85(6)
_computing_cell_refinement       'DENZO--SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'KappaCCD server software (Nonius, 1997)'
_computing_data_reduction        'DENZO--SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material
'SHELXL97 (Sheldrick, 1997) and PRPKAPPA (Ferguson, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '\f scans, and \w scans with \k offsets'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.071
_diffrn_reflns_av_sigmaI/netI    0.0312
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            27432
_diffrn_reflns_theta_full        27.43
_diffrn_reflns_theta_max         27.43
_diffrn_reflns_theta_min         3.04
_diffrn_standards_decay_%        negligible
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_T_max  0.994
_exptl_absorpt_correction_T_min  0.962
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'DENZO--SMN (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.252
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             816
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.161
_refine_diff_density_min         -0.218
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.076
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     257
_refine_ls_number_reflns         2646
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.076
_refine_ls_R_factor_all          0.0387
_refine_ls_R_factor_gt           0.0352
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0438P)^2^+0.3696P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0820
_refine_ls_wR_factor_ref         0.0841
_reflns_number_gt                2484
_reflns_number_total             2642
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            sk1640.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' 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 
;
_cod_database_code               2013501
_cod_database_fobs_code          2013501