Comparisons of phosphorus ligation properties in P(CH2NR)3P.
Thirupathi, Natesan; Stricklen, Phillip M.; Liu, Xiaodong; Oshel, Reed; Guzei, Ilia; Ellern, Arkady; Verkade, John G.; Inorganic chemistry 46 (2007) 9351–9363; doi:10.1021/ic0703070

data_4338988
_publ_section_title
;
 Comparisons of phosphorus ligation properties in P(CH2NR)3P.
;
_journal_issue                   22
_journal_name_full               'Inorganic chemistry'
_journal_page_first              9351
_journal_page_last               9363
_journal_paper_doi               10.1021/ic0703070
_journal_volume                  46
_journal_year                    2007
_chemical_formula_moiety         'C6 H21 B2 N3 P2'
_chemical_formula_sum            'C6 H21 B2 N3 P2'
_chemical_formula_weight         218.82
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      61
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   13.0587(8)
_cell_length_b                   13.2830(8)
_cell_length_c                   14.2394(8)
_cell_measurement_temperature    173(2)
_cell_volume                     2469.9(3)
_computing_cell_refinement       'SAINT Ver. 6.22  (Bruker-AXS, 2003)'
_computing_data_collection       'SMART Ver. 5.622 (Bruker-AXS, 2003)'
_computing_data_reduction        'SAINT Ver. 6.22'
_computing_molecular_graphics    'SHELXTL Ver. 6.10'
_computing_publication_material  'SHELXTL Ver. 6.10'
_computing_structure_refinement  'SHELXTL Ver. 6.10'
_computing_structure_solution    'SHELXTL Ver. 6.10 (Bruker-AXS, 2003)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.957
_diffrn_measured_fraction_theta_max 0.957
_diffrn_measurement_device_type  'Bruker CCD-1000 area detector'
_diffrn_measurement_method       '0.30\% \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           Mo-K\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0227
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            2417
_diffrn_reflns_theta_full        26.36
_diffrn_reflns_theta_max         26.36
_diffrn_reflns_theta_min         2.61
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.316
_exptl_absorpt_correction_T_max  0.8895
_exptl_absorpt_correction_T_min  0.8582
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS  (Bruker-AXS, 2003)
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.177
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             944
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.43
_exptl_crystal_size_min          0.38
_refine_diff_density_max         0.521
_refine_diff_density_min         -0.227
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.084
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     125
_refine_ls_number_reflns         2417
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.084
_refine_ls_R_factor_all          0.0420
_refine_ls_R_factor_gt           0.0362
_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^)+(0.0719P)^2^+0.0321P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1052
_refine_ls_wR_factor_ref         0.1092
_reflns_number_gt                2049
_reflns_number_total             2417
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ic0703070-file009.cif
_cod_data_source_block           vera
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/automatic-downloads/retrospective/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_Hall     '-P 2ac 2ab  '
_cod_original_sg_symbol_H-M      'P b c a     '
_cod_database_code               4338988