4,4'-Dimethyl-2,2'-[imidazolidine-1,3-diylbis(methylene)]diphenol
Rivera, Augusto; Nerio, Luz Stella; Ríos-Motta, Jaime; Kučeraková, Monika; Dušek, Michal; Acta Crystallographica Section E 68 (2012) o3172–; doi:10.1107/S1600536812042808

data_2236476
_publ_section_title
;
 4,4'-Dimethyl-2,2'-[imidazolidine-1,3-diylbis(methylene)]diphenol
;
_journal_coeditor_code           LR2083
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o3172
_journal_paper_doi               10.1107/S1600536812042808
_journal_volume                  68
_journal_year                    2012
_chemical_formula_iupac          'C19 H24 N2 O2'
_chemical_formula_moiety         'C19 H24 N2 O2'
_chemical_formula_sum            'C19 H24 N2 O2'
_chemical_formula_weight         312.4
_chemical_name_systematic
;
4,4'-Dimethyl-2,2'-[imidazolidine-1,3-diylbis(methylene)]diphenol
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_cell_angle_alpha                90
_cell_angle_beta                 107.078(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.5029(4)
_cell_length_b                   9.5001(3)
_cell_length_c                   16.1874(6)
_cell_measurement_reflns_used    8356
_cell_measurement_temperature    120
_cell_measurement_theta_max      66.94
_cell_measurement_theta_min      4.02
_cell_volume                     1690.94(10)
_computing_cell_refinement       'CrysAlis PRO (Agilent, 2010)'
_computing_data_collection       'CrysAlis PRO (Agilent, 2010)'
_computing_data_reduction        'CrysAlis PRO (Agilent, 2010)'
_computing_molecular_graphics    'DIAMOND (Brandenburg & Putz, 2005)'
_computing_publication_material
'<i>JANA2006</i> (Pet\<r\'i\<cek <i>et al.</i>, 2006)'
_computing_structure_refinement
'<i>JANA2006</i> (Pet\<r\'i\<cek <i>et al.</i>, 2006)'
_computing_structure_solution    '<i>Superflip</i> (Palatinus & Chapuis 2007)'
_diffrn_ambient_temperature      120
_diffrn_detector_area_resol_mean 10.3784
_diffrn_measured_fraction_theta_full 0.99
_diffrn_measured_fraction_theta_max 0.99
_diffrn_measurement_device       'four-circles diffractometer'
_diffrn_measurement_device_type  'Agilent Xcalibur Atlas Gemini ultra'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'Enhance Ultra (Cu) X-ray source'
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.5418
_diffrn_reflns_av_R_equivalents  0.0205
_diffrn_reflns_av_sigmaI/netI    0.0115
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            12982
_diffrn_reflns_reduction_process
;
Integration of the CCD images was done by program CrysAlisPro
(Agilent Technologies, 2010). The same program was used for indexing of the
crystal shape and absorption correction.
;
_diffrn_reflns_theta_full        67.05
_diffrn_reflns_theta_max         67.05
_diffrn_reflns_theta_min         4.19
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.633
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.573
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(CrysAlis PRO; Agilent, 2010)
;
_exptl_crystal_colour            white
_exptl_crystal_density_diffrn    1.2268
_exptl_crystal_description       'pyramidal shape'
_exptl_crystal_F_000             672
_exptl_crystal_size_max          0.248
_exptl_crystal_size_mid          0.215
_exptl_crystal_size_min          0.125
_refine_diff_density_max         0.16
_refine_diff_density_min         -0.14
_refine_ls_extinction_coef       13E2(4)
_refine_ls_extinction_method
'B-C type 1 Gaussian isotropic (Becker & Coppens, 1974)'
_refine_ls_goodness_of_fit_ref   1.93
_refine_ls_hydrogen_treatment    mixed
_refine_ls_number_constraints    90
_refine_ls_number_parameters     215
_refine_ls_number_reflns         3007
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0378
_refine_ls_R_factor_gt           0.0332
_refine_ls_shift/su_max          0.0004
_refine_ls_shift/su_mean         0.0001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details     w=1/(\s^2^(I)+0.0016I^2^)
_refine_ls_weighting_scheme      sigma
_refine_ls_wR_factor_gt          0.1013
_refine_ls_wR_factor_ref         0.1044
_reflns_number_gt                2648
_reflns_number_total             3007
_reflns_threshold_expression     I>3\s(I)
_cod_data_source_file            lr2083.cif
_cod_data_source_block           I
_cod_database_code               2236476
_cod_database_fobs_code          2236476