1,8,1',8'-Tetrakis(dimethylamino)-2,2'-dinaphthylmethanols: Double In/Out Proton Sponges with Low-Barrier Hydrogen-Bond Switching
Alexander F. Pozharskii; Alexander V. Degtyarev; Valery A. Ozeryanskii; Oksana V. Ryabtsova; Zoya A. Starikova; Gennadii S. Borodkin; Journal of Organic Chemistry 75 (2010) 4706–4715; doi:10.1021/jo100384s

data_4025529
_publ_section_title
;
 1,8,1',8'-Tetrakis(dimethylamino)-2,2'-dinaphthylmethanols: Double In/Out
 Proton Sponges with Low-Barrier Hydrogen-Bond Switching
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              4706
_journal_page_last               4715
_journal_paper_doi               10.1021/jo100384s
_journal_volume                  75
_journal_year                    2010
_chemical_formula_moiety         'C35 H40 N4 O'
_chemical_formula_sum            'C35 H40 N4 O'
_chemical_formula_weight         532.71
_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   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                97.0820(10)
_cell_angle_beta                 118.6410(10)
_cell_angle_gamma                102.7560(10)
_cell_formula_units_Z            2
_cell_length_a                   11.9154(5)
_cell_length_b                   11.9676(9)
_cell_length_c                   12.0603(5)
_cell_measurement_reflns_used    5108
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      34.16
_cell_measurement_theta_min      2.26
_cell_volume                     1418.38(14)
_computing_cell_refinement       'APEX2 (Bruker, 2005)'
_computing_data_collection       'APEX2 (Bruker, 2005)'
_computing_data_reduction        'APEX2 (Bruker, 2005)'
_computing_molecular_graphics    'SHELXTL ver. 5.1 (Sheldrick, 1998)'
_computing_publication_material  'SHELXTL ver. 5.1 (Sheldrick, 1998)'
_computing_structure_refinement  'SHELXTL ver. 5.1 (Sheldrick, 1998)'
_computing_structure_solution    'SHELXTL ver. 5.1 (Sheldrick, 1998)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'Bruker SMART APEX2 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  0.0294
_diffrn_reflns_av_sigmaI/netI    0.0423
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            17109
_diffrn_reflns_theta_full        29.00
_diffrn_reflns_theta_max         29.00
_diffrn_reflns_theta_min         1.81
_exptl_absorpt_coefficient_mu    0.076
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.247
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             572
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.45
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.333
_refine_diff_density_min         -0.218
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.004
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     361
_refine_ls_number_reflns         7419
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.004
_refine_ls_R_factor_all          0.0643
_refine_ls_R_factor_gt           0.0446
_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^)+(0.0155P)^2^+0.7616P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0834
_refine_ls_wR_factor_ref         0.0915
_reflns_number_gt                5597
_reflns_number_total             7419
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jo100384s_si_002.cif
_cod_data_source_block           fin
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_database_code               4025529