Structure and reactivity of tautomeric forms of zwitterionic species from the reaction of phosphorus(iii) compounds with electron deficient alkenes and alkynes
Bhuvan Kumar, N. N.; Chakravarty, Manab; Kumara Swamy, K. C.; New Journal of Chemistry 30 (2006) 1614–; doi:10.1039/b605430g

data_7052309
_publ_section_title
;
 Structure and reactivity of tautomeric forms of zwitterionic species
 from the reaction of phosphorus(iii) compounds with electron deficient
 alkenes and alkynes
;
_journal_issue                   11
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              1614
_journal_paper_doi               10.1039/b605430g
_journal_volume                  30
_journal_year                    2006
_chemical_formula_sum            'C27 H30 N O2 P'
_chemical_formula_weight         431.49
_space_group_IT_number           45
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'I 2 -2c'
_symmetry_space_group_name_H-M   'I b a 2'
_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                   19.157(4)
_cell_length_b                   25.897(6)
_cell_length_c                   9.9046(15)
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      23.67
_cell_measurement_theta_min      2.59
_cell_volume                     4913.8(17)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_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      296(2)
_diffrn_measured_fraction_theta_full 0.914
_diffrn_measured_fraction_theta_max 0.914
_diffrn_measurement_device_type  'CCD area detector'
_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  0.0285
_diffrn_reflns_av_sigmaI/netI    0.0479
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            5658
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         1.57
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 'not applicable'
_diffrn_standards_interval_time  'not applicable'
_diffrn_standards_number         'not applicable'
_exptl_absorpt_coefficient_mu    0.134
_exptl_absorpt_correction_T_max  0.9711
_exptl_absorpt_correction_T_min  0.9446
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS, Sheldrick (1996)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.167
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             1840
_exptl_crystal_size_max          0.43
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.321
_refine_diff_density_min         -0.171
_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   0.02(16)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.926
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     284
_refine_ls_number_reflns         3486
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.925
_refine_ls_R_factor_all          0.0712
_refine_ls_R_factor_gt           0.0498
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0795P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1232
_refine_ls_wR_factor_ref         0.1325
_reflns_number_gt                2437
_reflns_number_total             3486
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b605430g.txt
_cod_data_source_block           compd5
_cod_original_cell_volume        4913.7(16)
_cod_original_sg_symbol_H-M      Iba2
_cod_database_code               7052309