P-oxidation of gem-dicationic phosphines
Maaliki, Carine; Canac, Yves; Lepetit, Christine; Duhayon, Carine; Chauvin, Remi; RSC Advances 3 (2013) 20391–; doi:10.1039/c3ra43563f

data_7239217
_publ_section_title
;
 P-oxidation of gem-dicationic phosphines
;
_journal_issue                   43
_journal_name_full               'RSC Advances'
_journal_page_first              20391
_journal_paper_doi               10.1039/c3ra43563f
_journal_volume                  3
_journal_year                    2013
_chemical_formula_moiety         'C16 H17 N4 P1'
_chemical_formula_sum            'C16 H17 N4 P'
_chemical_formula_weight         296.31
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     other
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.3573(2)
_cell_length_b                   12.6287(3)
_cell_length_c                   10.6515(2)
_cell_measurement_reflns_used    21993
_cell_measurement_temperature    180
_cell_measurement_theta_max      28
_cell_measurement_theta_min      3
_cell_volume                     1527.72(5)
_computing_cell_refinement       'CrysAlis, (Oxford Diffraction, 2002)'
_computing_data_collection       'Xcalibur, (Oxford Diffraction, 2002)'
_computing_data_reduction        'CrysAlis, (Oxford Diffraction, 2002)'
_computing_molecular_graphics    'CAMERON (Watkin et al., 1996)'
_computing_publication_material  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_refinement  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_solution    'Superflip (Palatinus & Chapuis, 2007)'
_diffrn_ambient_temperature      180
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.964
_diffrn_measurement_device       Area
_diffrn_measurement_device_type  'Oxford Diffraction XCALIBUR'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.026
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            29596
_diffrn_reflns_theta_full        26.762
_diffrn_reflns_theta_max         28.470
_diffrn_reflns_theta_min         3.078
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.179
_exptl_absorpt_correction_T_max  0.96
_exptl_absorpt_correction_T_min  0.82
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrysAlis, (Oxford Diffraction, 2002)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.288
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             624
_exptl_crystal_size_max          0.300
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.59
_refine_diff_density_min         -0.26
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   0.9987
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     101
_refine_ls_number_reflns         1762
_refine_ls_number_restraints     2
_refine_ls_R_factor_all          0.0354
_refine_ls_R_factor_gt           0.0325
_refine_ls_shift/su_max          0.0010249
_refine_ls_shift/su_mean         0.0000580
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details
;
Method, part 1, Chebychev polynomial, (Watkin, 1994, Prince, 1982)
[weight] = 1.0/[A~0~*T~0~(x)+A~1~*T~1~(x) ... +A~n-1~]*T~n-1~(x)]
where A~i~ are the Chebychev coefficients listed below and x= Fcalc/Fmax
Method = Robust Weighting (Prince, 1982)
W = [weight] * [1-(deltaF/6*sigmaF)^2^]^2^
A~i~ are:
11.3 8.83 9.11 4.25
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.0436
_refine_ls_wR_factor_gt          0.0422
_refine_ls_wR_factor_ref         0.0420
_reflns_limit_h_max              15
_reflns_limit_h_min              0
_reflns_limit_k_max              16
_reflns_limit_k_min              0
_reflns_limit_l_max              13
_reflns_limit_l_min              0
_reflns_number_gt                1797
_reflns_number_total             1942
_reflns_threshold_expression     I>2.0\s(I)
_oxford_refine_ls_r_factor_ref   0.0320
_oxford_reflns_number_all        1936
_oxford_reflns_threshold_expression_ref I>3.0\s(I)
_cod_data_source_file            c3ra43563f.txt
_cod_data_source_block           3
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_atom_sites_solution_primary' value 'Other' was changed to
'other' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_cell_volume        1527.73(5)
_cod_original_sg_symbol_Hall     '-P 2ac 2n '
_cod_original_sg_symbol_H-M      'P n m a '
_cod_original_formula_sum        'C16 H17 N4 P1'
_cod_database_code               7239217
_iucr_refine_instruction_details_constraints
;
BLOCK SCALE X'S, U'S
RIDE C ( 3,X'S) H ( 31,X'S)
RIDE C ( 4,X'S) H ( 41,X'S)
RIDE C ( 6,X'S) H ( 61,X'S)
RIDE C ( 7,X'S) H ( 71,X'S)
RIDE C ( 8,X'S) H ( 81,X'S) H ( 82,X'S)
RIDE C ( 9,X'S) H ( 92,X'S) H ( 93,X'S) H ( 91,X'S)
END
;
_iucr_refine_instruction_details_restraints
;
NO
REM HREST START (DO NOT REMOVE THIS LINE)
REM HREST END (DO NOT REMOVE THIS LINE)
END
;