Zoledronate complexes. I. Poly[[μ~2~-aqua[μ~3~-1-hydroxy-2-(1<i>H</i>,3<i>H</i>-imidazol-3-ium-1-yl)ethylidenediphosphonato]potassium(I)] monohydrate]
Freire, Eleonora; Vega, Daniel R.; Baggio, Ricardo; Acta Crystallographica Section C 66 (2010) m13–m16; doi:10.1107/S0108270109054006

data_2017462
_publ_section_title
;Zoledronate complexes. I.
 Poly[[\m~2~-aqua[\m~3~-1-hydroxy-2-(1<i>H</i>,3<i>H</i>-imidazol-3-ium-1-yl)ethylidenediphosphonato]potassium(I)]
 monohydrate]
;
_journal_coeditor_code           DN3131
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              m13
_journal_page_last               m16
_journal_paper_doi               10.1107/S0108270109054006
_journal_volume                  66
_journal_year                    2010
_chemical_formula_iupac          '[K (C5 H9 N2 O7 P2) (H2 O)] , H2 O'
_chemical_formula_moiety         'C5 H11 K N2 O8 P2 , H2 O'
_chemical_formula_sum            'C5 H13 K N2 O9 P2'
_chemical_formula_weight         346.21
_chemical_name_systematic
;
Poly[[\m~2~-aqua[\m~3~-1-hydroxy-2-(1<i>H</i>,3<i>H</i>-imidazol-3-ium-1-
yl)ethylidenediphosphonato]potassium(I)] monohydrate]
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                94.82(2)
_cell_angle_beta                 103.75(3)
_cell_angle_gamma                92.58(2)
_cell_formula_units_Z            2
_cell_length_a                   6.9610(14)
_cell_length_b                   7.0380(14)
_cell_length_c                   13.322(3)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      12.5
_cell_measurement_theta_min      7.5
_cell_volume                     630.3(2)
_computing_cell_refinement
;
MSC/AFC Diffractometer Control Software
(Molecular Structure Corporation, 1988)
;
_computing_data_collection
;
MSC/AFC Diffractometer Control Software
(Molecular Structure Corporation, 1988)
;
_computing_data_reduction
;
MSC/AFC Diffractometer Control Software
(Molecular Structure Corporation, 1988)
;
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material
;
SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2003)
;
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device       'Rigaku AFC-6S'
_diffrn_measurement_method       \w/2\q
_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  0.0187
_diffrn_reflns_av_sigmaI/netI    0.0186
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -1
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            3124
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.58
_diffrn_standards_decay_%        1
_diffrn_standards_interval_count 150
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.719
_exptl_absorpt_correction_T_max  0.83
_exptl_absorpt_correction_T_min  0.78
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(North <i>et al.</i>,  1968)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.824
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             356
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.26
_refine_diff_density_max         0.443
_refine_diff_density_min         -0.311
_refine_ls_extinction_coef       0.112(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   1.122
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     181
_refine_ls_number_reflns         2482
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.122
_refine_ls_R_factor_all          0.0281
_refine_ls_R_factor_gt           0.0259
_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^)+(0.0280P)^2^+0.4297P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0686
_refine_ls_wR_factor_ref         0.0698
_reflns_number_gt                2333
_reflns_number_total             2482
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            dn3131.cif
_cod_data_source_block           I
_cod_database_code               2017462
_cod_database_fobs_code          2017462