Water-Soluble Phosphine Capable of Dissolving Elemental Gold: The Missing Link between 1,3,5-Triaza-7-phosphaadamantane (PTA) and Verkade's Ephemeral Ligand.
Britvin, Sergey N.; Lotnyk, Andriy; Journal of the American Chemical Society 137 (2015) 5526–5535; doi:10.1021/jacs.5b01851

data_4123586
_publ_section_title
;
 Water-Soluble Phosphine Capable of Dissolving Elemental Gold: The Missing
 Link between 1,3,5-Triaza-7-phosphaadamantane (PTA) and Verkade's
 Ephemeral Ligand.
;
_journal_issue                   16
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5526
_journal_page_last               5535
_journal_paper_doi               10.1021/jacs.5b01851
_journal_volume                  137
_journal_year                    2015
_chemical_formula_moiety         'C6 H12 N3 P'
_chemical_formula_sum            'C6 H12 N3 P'
_chemical_formula_weight         157.16
_chemical_name_common            PTA
_chemical_name_systematic        1,3,5-triaza-7-phosphaadamantane
_space_group_IT_number           160
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  'R 3 -2"'
_symmetry_space_group_name_H-M   'R 3 m :H'
_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                120.00
_cell_formula_units_Z            3
_cell_length_a                   9.4937(1)
_cell_length_b                   9.4937(1)
_cell_length_c                   6.9591(2)
_cell_measurement_reflns_used    6700
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      40.422
_cell_measurement_theta_min      3.620
_cell_volume                     543.194(18)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.32 (release 02-08-2013 CrysAlis171 .NET)
(compiled Aug  2 2013,16:46:58)
;
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.32 (release 02-08-2013 CrysAlis171 .NET)
(compiled Aug  2 2013,16:46:58)
;
_computing_molecular_graphics    'Olex2 v1.2-ac2'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0162
_diffrn_reflns_av_sigmaI/netI    0.0052
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            7935
_diffrn_reflns_theta_full        37.50
_diffrn_reflns_theta_max         37.50
_diffrn_reflns_theta_min         3.84
_exptl_absorpt_coefficient_mu    0.301
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.91395
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.32 (release 02-08-2013 CrysAlis171 .NET)
(compiled Aug  2 2013,16:46:58)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.441
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       isometric
_exptl_crystal_F_000             252
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.246
_refine_diff_density_min         -0.165
_refine_diff_density_rms         0.039
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.05(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.199
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     26
_refine_ls_number_reflns         730
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.198
_refine_ls_R_factor_all          0.0165
_refine_ls_R_factor_gt           0.0163
_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^)+(0.0351P)^2^+0.0284P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0493
_refine_ls_wR_factor_ref         0.0494
_reflns_number_gt                726
_reflns_number_total             730
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            PTA.cif
_cod_data_source_block           PTA
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Trigonal' changed to 'trigonal'
according to
/usr/data/users/saulius/crontab/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 3271 2015-04-21 07:52:19Z andrius 

 Adding full bibliography for 4123579--4123586.cif.
;
_cod_original_cell_volume        543.19(2)
_cod_original_sg_symbol_H-M      'R 3 m'
_cod_database_code               4123586