Phosphonopropionic acid as a building block in supramolecular chemistry: salts with organic diamines
Bowes, Katharine F.; Ferguson, George; Lough, Alan J.; Glidewell, Christopher; Acta Crystallographica Section B 59 (2003) 248–262; doi:10.1107/S0108768102021237

data_2103858
_publ_section_title
;
 Phosphonopropionic acid as a building block in supramolecular
 chemistry: salts with organic diamines
;
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              248
_journal_page_last               262
_journal_paper_doi               10.1107/S0108768102021237
_journal_volume                  59
_journal_year                    2003
_chemical_formula_moiety         'C12 H12 N2 2+, C12 H10 N2, 2(C3 H6 O5 P)1-'
_chemical_formula_sum            'C30 H34 N4 O10 P2'
_chemical_formula_weight         672.55
_chemical_name_systematic
;
1,2-Bis(4'-pyridyl)ethene--phosphonopropionic acid (1/1)
;
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 96.2880(12)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.1600(3)
_cell_length_b                   10.4061(3)
_cell_length_c                   14.5441(5)
_cell_measurement_reflns_used    3496
_cell_measurement_temperature    150.0(10)
_cell_measurement_theta_max      27.51
_cell_measurement_theta_min      2.81
_cell_volume                     1528.44(8)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'Kappa-CCD server software (Nonius, 1997)'
_computing_data_reduction        'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'PLATON (Spek, 2002)'
_computing_publication_material
'SHELXL-97 (Sheldrick, 1997a) and PRPKAPPA (Ferguson, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997a)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997b)'
_diffrn_ambient_temperature      150.0(10)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  Kappa-CCD
_diffrn_measurement_method       '\f scans, and \w scans with \k offsets'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed X-ray tube'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.042
_diffrn_reflns_av_sigmaI/netI    0.0454
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            13452
_diffrn_reflns_theta_full        27.51
_diffrn_reflns_theta_max         27.51
_diffrn_reflns_theta_min         2.81
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.208
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.461
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             704
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.290
_refine_diff_density_min         -0.423
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     210
_refine_ls_number_reflns         3496
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0487
_refine_ls_R_factor_gt           0.0368
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0404P)^2^+0.6401P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0905
_refine_ls_wR_factor_ref         0.0974
_reflns_number_gt                2880
_reflns_number_total             3496
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            bm0061.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2103858
_cod_database_fobs_code          2103858