Novel double-chained or double-layered metal diphosphonates: synergic coordination effect of two closely linked phosphonate moieties promoted by large metal ionic radius
Du, Zi-Yi; Sun, Yu-Hui; Zhang, Xiu-Zhi; Luo, Shu-Fen; Xie, Yong-Rong; Wan, Dong-Bei; CrystEngComm 12 (2010) 1774–; doi:10.1039/b921440b

data_7212187
_publ_section_title
;
 Novel double-chained or double-layered metal diphosphonates: synergic
 coordination effect of two closely linked phosphonate moieties promoted
 by large metal ionic radius
;
_journal_issue                   6
_journal_name_full               CrystEngComm
_journal_page_first              1774
_journal_paper_doi               10.1039/b921440b
_journal_volume                  12
_journal_year                    2010
_chemical_formula_sum            'C3 H9 N O6 P2 Pb'
_chemical_formula_weight         424.24
_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           SHELXL-97
_cell_angle_alpha                82.198(7)
_cell_angle_beta                 81.800(7)
_cell_angle_gamma                81.286(8)
_cell_formula_units_Z            2
_cell_length_a                   6.8238(8)
_cell_length_b                   6.9867(8)
_cell_length_c                   8.9138(9)
_cell_measurement_temperature    296(2)
_cell_volume                     412.93(8)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_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 0.971
_diffrn_measured_fraction_theta_max 0.971
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w 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  0.0343
_diffrn_reflns_av_sigmaI/netI    0.0410
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            5045
_diffrn_reflns_theta_full        27.60
_diffrn_reflns_theta_max         27.60
_diffrn_reflns_theta_min         2.97
_exptl_absorpt_coefficient_mu    20.814
_exptl_absorpt_correction_T_max  0.084
_exptl_absorpt_correction_T_min  0.060
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    3.412
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             388
_exptl_crystal_size_max          0.300
_exptl_crystal_size_mid          0.120
_exptl_crystal_size_min          0.120
_refine_diff_density_max         1.011
_refine_diff_density_min         -1.474
_refine_diff_density_rms         0.263
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.084
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     128
_refine_ls_number_reflns         1863
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.084
_refine_ls_R_factor_all          0.0281
_refine_ls_R_factor_gt           0.0251
_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^)+(0.0219P)^2^+1.1233P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0562
_refine_ls_wR_factor_ref         0.0578
_reflns_number_gt                1743
_reflns_number_total             1863
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b921440b.txt
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'multi scan'
changed to 'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7212187