Understanding Structure Does Not Always Explain Reactivity: A Phosphinoamide Anion Reacts as an Iminophosphide Anion
Zhaofu Fei; Rosario Scopelliti; Paul J. Dyson; Inorganic Chemistry 42 (2003) 2125–2130; doi:10.1021/ic0262841

data_4313412
_publ_contact_author_address
;
Facult\'e des sciences de base
Institut de Chimie Mol\'eculaire et Biologique
EPFL-BCH
CH-1015 Lausanne
Switzerland 
;
_publ_contact_author_email       paul.dyson@epfl.ch
_publ_contact_author_fax         '+41 21 69 39885'
_publ_contact_author_name        'Paul J. Dyson'
_publ_contact_author_phone       '+41 21 69 39854'
_publ_section_title
;
 Understanding Structure Does Not Always Explain Reactivity: A
 Phosphinoamide Anion Reacts as an Iminophosphide Anion
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              2125
_journal_page_last               2130
_journal_paper_doi               10.1021/ic0262841
_journal_volume                  42
_journal_year                    2003
_chemical_formula_sum            'C46 H44 Li2 N4 O2 P2'
_chemical_formula_weight         760.67
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 96.175(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.9580(6)
_cell_length_b                   21.8518(15)
_cell_length_c                   10.5675(6)
_cell_measurement_reflns_used    4807
_cell_measurement_temperature    140(2)
_cell_measurement_theta_max      26.78445
_cell_measurement_theta_min      2.2252
_cell_volume                     2056.6(2)
_computing_cell_refinement       'Oxford Diffraction CrysAlis RED'
_computing_data_collection       'Oxford Diffraction CrysAlis CCD'
_computing_data_reduction        'Oxford Diffraction CrysAlis RED'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      140(2)
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.975
_diffrn_measurement_device_type  'Oxford Diffraction KM4/Sapphire CCD'
_diffrn_measurement_method       'phi and omega 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  0.0294
_diffrn_reflns_av_sigmaI/netI    0.0343
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            11807
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         3.40
_exptl_absorpt_coefficient_mu    0.148
_exptl_absorpt_correction_T_max  1.0113
_exptl_absorpt_correction_T_min  0.9172
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
[c.f. r.h. blessing, acta cryst. (1995), a51, 33-38] 
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.228
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             800
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.311
_refine_diff_density_min         -0.240
_refine_diff_density_rms         0.035
_refine_ls_extinction_coef       0.0015(9)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.064
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     328
_refine_ls_number_reflns         3545
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.0529
_refine_ls_R_factor_gt           0.0359
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0488P)^2^+0.1507P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0865
_refine_ls_wR_factor_ref         0.0928
_reflns_number_gt                2762
_reflns_number_total             3545
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0262841si20021219_041453_3.cif
_cod_data_source_block           2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
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_cod_database_code               4313412