Hydrogen bonding in diphenylmethanols, <i>R</i>CPh~2~OH: structures of monomeric (4-biphenyl)diphenylmethanol and diphenyl(2-pyridyl)methanol, dimeric 1,1,3-triphenylpropyn-1-ol, trimeric 2-methyl-1,1-diphenylpropan-1-ol, tetrameric diphenyl(2-thienyl)methanol, hexameric bis(pentafluorophenyl)methanol (at 293 and 173 K) and polymeric diphenylmethanol
Ferguson, George; Carrol, Christopher D.; Glidewell, Christopher; Zakaria, Choudhury, M.; Lough, Alan, J.; Acta Crystallographica Section B 51 (1995) 367–377; doi:10.1107/S0108768194013984

data_2101295
_publ_section_title
;
 Hydrogen bonding in diphenylmethanols, <i>R</i>CPh~2~OH: structures of
 monomeric (4-biphenyl)diphenylmethanol and
 diphenyl(2-pyridyl)methanol, dimeric 1,1,3-triphenylpropyn-1-ol,
 trimeric 2-methyl-1,1-diphenylpropan-1-ol, tetrameric
 diphenyl(2-thienyl)methanol, hexameric bis(pentafluorophenyl)methanol
 (at 293 and 173 K) and polymeric diphenylmethanol
;
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              367
_journal_page_last               377
_journal_paper_doi               10.1107/S0108768194013984
_journal_volume                  51
_journal_year                    1995
_chemical_formula_moiety         'C18 H15 N O '
_chemical_formula_sum            'C18 H15 N O'
_chemical_formula_weight         261.32
_chemical_name_common            Diphenyl(2-pyridyl)methanol
_chemical_name_systematic
;
 Diphenyl(2-pyridyl)methanol
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90.0
_cell_angle_beta                 96.344(8)
_cell_angle_gamma                90.0
_cell_formula_units_Z            4
_cell_length_a                   8.1899(8)
_cell_length_b                   14.855(2)
_cell_length_c                   11.6069(15)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293
_cell_measurement_theta_max      19.50
_cell_measurement_theta_min      10.50
_cell_volume                     1403.5(3)
_computing_cell_refinement       'Enraf-Nonius DETTH and CELDIM'
_computing_data_collection       'Enraf-Nonius Cad4'
_computing_data_reduction        'NRCVAX DATRD2'
_computing_molecular_graphics    NRCVAX
_computing_publication_material  'NRCVAX TABLES Jan 94 Version'
_computing_structure_refinement  'NRCVAX LSTSQ'
_computing_structure_solution    'NRCVAX SOLVER'
_diffrn_ambient_temperature      293
_diffrn_measurement_device       'Nonius CAD-4    '
_diffrn_measurement_method       'Theta/2theta scan b/P/b '
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'xray tube'
_diffrn_radiation_type           'Molybdenum K\a'
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.028
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            2614
_diffrn_reflns_theta_max         24.86
_diffrn_reflns_theta_min         2.00
_diffrn_standards_decay_%        '1.0 variation'
_diffrn_standards_interval_time  60
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.07
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  1.0000
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.237
_exptl_crystal_description       plate
_exptl_crystal_F_000             552
_exptl_crystal_size_max          0.39
_exptl_crystal_size_mid          0.39
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.16
_refine_diff_density_min         -0.15
_refine_ls_goodness_of_fit_obs   1.46
_refine_ls_hydrogen_treatment    'riding for C-H, ex difmap for O-H'
_refine_ls_matrix_type           full
_refine_ls_number_parameters     181
_refine_ls_number_reflns         879
_refine_ls_R_factor_all          0.172
_refine_ls_R_factor_obs          0.049
_refine_ls_shift/esd_max         0.000
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details     'w = 1/(\s^2^(F)+0.0008F^2^)'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.074
_refine_ls_wR_factor_obs         0.058
_reflns_number_observed          879
_reflns_number_total             2432
_reflns_observed_criterion       'Inet > 3.0\s(Inet)'
_cod_data_source_file            ab0331.cif
_cod_data_source_block           2
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 

The following automatic conversions were performed:

'_refine_ls_weighting_scheme' value '1/(\s^2^(F)+0.0008F^2^)' was
changed to 'calc'. New tag '_refine_ls_weighting_details' was
created. The value of the new tag was set to 'w =
1/(\s^2^(F)+0.0008F^2^)'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_original_formula_sum        'C18 H15 N O '
_cod_database_code               2101295