Synthesis of phosphaguanidines by hydrophosphination of carbodiimides with phosphine boranes.
Busacca, Carl A.; Milligan, John A.; Rattanangkool, Eakkaphon; Ramavarapu, Cyrus; Chen, Anji; Saha, Anjan K.; Li, Zhibin; Lee, Heewon; Geib, Steven J.; Wang, Guijun; Senanayake, Chris H.; Wipf, Peter; The Journal of organic chemistry 79 (2014) 9878–9887; doi:10.1021/jo501841s

data_4029985
_publ_section_title
;
 Synthesis of phosphaguanidines by hydrophosphination of carbodiimides
 with phosphine boranes.
;
_journal_issue                   20
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              9878
_journal_page_last               9887
_journal_paper_doi               10.1021/jo501841s
_journal_volume                  79
_journal_year                    2014
_chemical_formula_moiety         'C25 H42 B N2 P'
_chemical_formula_sum            'C25 H42 B N2 P'
_chemical_formula_weight         412.39
_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                 97.149(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.7887(8)
_cell_length_b                   11.9484(6)
_cell_length_c                   15.2068(8)
_cell_measurement_reflns_used    9897
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      66.7094
_cell_measurement_theta_min      3.2302
_cell_volume                     2485.9(2)
_computing_cell_refinement       'APEX2 (Bruker, 2013); SAINT (Bruker, 2012)'
_computing_data_collection       'GIS (Bruker)'
_computing_data_reduction        'SAINT (Bruker, 2012); XPREP (Sheldrick, 2013)'
_computing_molecular_graphics    'Jmol (Jmol.org, 2008)'
_computing_publication_material  'APEX2 (Bruker, 2013)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.969
_diffrn_measured_fraction_theta_max 0.969
_diffrn_measurement_device_type  'Bruker SMART X2S benchtop diffractometer'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  'doubly curved silicon crystal'
_diffrn_radiation_source         'microfocus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0235
_diffrn_reflns_av_sigmaI/netI    0.0217
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            18844
_diffrn_reflns_theta_full        67.02
_diffrn_reflns_theta_max         67.02
_diffrn_reflns_theta_min         3.23
_diffrn_source_type              'XOS X-beam'
_exptl_absorpt_coefficient_mu    1.053
_exptl_absorpt_correction_T_max  0.9020
_exptl_absorpt_correction_T_min  0.8250
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Sheldrick, G. M. (2012) SADABS. Bruker AXS Inc., Madison, Wisconsin, USA.'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.102
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       cubic
_exptl_crystal_F_000             904
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.380
_refine_diff_density_min         -0.527
_refine_diff_density_rms         0.113
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.403
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     263
_refine_ls_number_reflns         4293
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.403
_refine_ls_R_factor_all          0.0428
_refine_ls_R_factor_gt           0.0418
_refine_ls_shift/su_max          7.540
_refine_ls_shift/su_mean         0.796
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1473
_refine_ls_wR_factor_ref         0.1521
_reflns_number_gt                4133
_reflns_number_total             4293
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo501841s_si_001.cif
_cod_data_source_block           compound_5
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/home/saulius/struct/COD-crude-data--automatic-downloads/rss-feeds/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 

 Adding full bibliography for 4029984--4029987.cif.
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_cod_original_sg_symbol_H-M      P12(1)/c1
_cod_database_code               4029985