Chalcogenides of the aminomethylphosphines derived from 1-methylpiperazine, 1-ethylpiperazine and morpholine: NMR, DFT and structural studies for determination of electronic and steric properties of the phosphines.
Starosta, Radosław; Bazanów, Barbara; Barszczewski, Wojciech; Dalton transactions (Cambridge, England : 2003) 39 (2010) 7547–7555; doi:10.1039/c0dt00037j

data_7025882
_publ_section_title
;
 Chalcogenides of the aminomethylphosphines derived from
 1-methylpiperazine, 1-ethylpiperazine and morpholine: NMR, DFT and
 structural studies for determination of electronic and steric properties
 of the phosphines.
;
_journal_issue                   32
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              7547
_journal_page_last               7555
_journal_paper_doi               10.1039/c0dt00037j
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C15 H30 N3 O3 P Se'
_chemical_formula_sum            'C15 H30 N3 O3 P Se'
_chemical_formula_weight         410.35
_chemical_name_systematic
;
4,4',4''-phosphoroselenoyltris(methylene)trimorpholine
;
_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'
_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                 112.196(19)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   12.833(3)
_cell_length_b                   16.484(3)
_cell_length_c                   19.729(5)
_cell_measurement_reflns_used    6150
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.11
_cell_measurement_theta_min      2.67
_cell_volume                     3864.2(16)
_computing_cell_refinement       'CrysAlis RED (Oxford Diffraction, date)'
_computing_data_collection       'CrysAlis CCD (Oxford Diffraction, date)'
_computing_data_reduction        'CrysAlis RED '
_computing_molecular_graphics    'SHELXTL (Bruker, 1999)'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  KM4-CCD
_diffrn_measurement_method       /w
_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  0.0464
_diffrn_reflns_av_sigmaI/netI    0.0515
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            26730
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.11
_diffrn_reflns_theta_min         2.67
_exptl_absorpt_coefficient_mu    2.043
_exptl_absorpt_correction_T_max  0.910
_exptl_absorpt_correction_T_min  0.631
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details   'Oxford Diffraction, CrysAlis 1.171.30'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.411
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       palte
_exptl_crystal_F_000             1712
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.373
_refine_diff_density_min         -0.262
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.962
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     415
_refine_ls_number_reflns         6846
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.962
_refine_ls_R_factor_all          0.0551
_refine_ls_R_factor_gt           0.0296
_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^)+(0.0326P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0582
_refine_ls_wR_factor_ref         0.0655
_reflns_number_gt                4887
_reflns_number_total             6846
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt00037j.txt
_cod_data_source_block           star11dc
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        3864.2(15)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7025882