2-[Bis(3,5-dimethylphenyl)phosphoryl]propan-2-ol hemihydrate
Chu, Qing-Yan; Liu, Shan; Liu, Yuan-Yuan; Chen, Wei; Zhu, Hong-Jun; Acta Crystallographica Section E 64 (2008) o1231–; doi:10.1107/S1600536808016681

data_2218724
_publ_section_title
;
 2-[Bis(3,5-dimethylphenyl)phosphoryl]propan-2-ol hemihydrate
;
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1231
_journal_paper_doi               10.1107/S1600536808016681
_journal_volume                  64
_journal_year                    2008
_chemical_formula_iupac          'C19 H25 O2 P, 0.5H2 O'
_chemical_formula_moiety         'C19 H25 O2 P, 0.5H2 O'
_chemical_formula_sum            'C19 H26 O2.5 P'
_chemical_formula_weight         324.87
_chemical_name_systematic
;
2-[Bis(3,5-dimethylphenyl)phosphoryl]propan-2-ol hemihydrate
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 106.76(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   30.129(6)
_cell_length_b                   6.2830(13)
_cell_length_c                   20.192(4)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      12
_cell_measurement_theta_min      9
_cell_volume                     3660.0(14)
_computing_cell_refinement       'CAD-4 Software (Enraf--Nonius, 1985)'
_computing_data_collection       'CAD-4 Software (Enraf--Nonius, 1985)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1995)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Enraf--Nonius CAD-4 diffractometer'
_diffrn_measurement_method       '\w/2\q 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  0.0492
_diffrn_reflns_av_sigmaI/netI    0.1231
_diffrn_reflns_limit_h_max       34
_diffrn_reflns_limit_h_min       -36
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            6573
_diffrn_reflns_theta_full        25.21
_diffrn_reflns_theta_max         25.21
_diffrn_reflns_theta_min         1.41
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  120
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.159
_exptl_absorpt_correction_T_max  0.9843
_exptl_absorpt_correction_T_min  0.9690
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(North <i>et al.</i>,  1968)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.179
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1396
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.488
_refine_diff_density_min         -0.551
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     206
_refine_ls_number_reflns         3298
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.1252
_refine_ls_R_factor_gt           0.0597
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1615
_refine_ls_wR_factor_ref         0.2050
_reflns_number_gt                1904
_reflns_number_total             3298
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hk2469.cif
_cod_data_source_block           I
_cod_original_cell_volume        3660.1(14)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               2218724
_cod_database_fobs_code          2218724