A New Series of Three-Dimensional Metal-Organic Framework, [M2(H2O)][C5N1H3(COO)2]3.2H2O, M = La, Pr, and Nd: Synthesis, Structure, and Properties
Partha Mahata; Srinivasan Natarajan; Inorganic Chemistry 46 (2007) 1250–1258; doi:10.1021/ic0617644

data_4307221
_publ_section_title
;
A New Series of Three-Dimensional Metal-Organic Framework,
[M2(H2O)][C5N1H3(COO)2]3.2H2O, M = La, Pr, and Nd: Synthesis, Structure,
and Properties
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              1250
_journal_page_last               1258
_journal_paper_doi               10.1021/ic0617644
_journal_volume                  46
_journal_year                    2007
_chemical_formula_sum            'C21 H15 N3 O15 Pr2'
_chemical_formula_weight         831.13
_chemical_name_common            'Praseodymium carboxylate'
_chemical_name_systematic
;
 ?
;
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 102.233(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.9814(18)
_cell_length_b                   17.278(4)
_cell_length_c                   15.462(3)
_cell_measurement_reflns_used    5533
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.00
_cell_measurement_theta_min      1.79
_cell_volume                     2344.9(9)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        'Saint (Bruker, 2000)'
_computing_molecular_graphics
'Ortep  3 for Windows (farrugia, 1997) and CAMERON (Watkin et al., 1993)'
_computing_publication_material  'PLATON (Spek, 1990)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Altomare et al., 1993)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.977
_diffrn_measured_fraction_theta_max 0.977
_diffrn_measurement_device_type  'Bruker SMART CCD area detector'
_diffrn_measurement_method       '\f and \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  0.0884
_diffrn_reflns_av_sigmaI/netI    0.0947
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            20327
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         1.79
_exptl_absorpt_coefficient_mu    4.195
_exptl_absorpt_correction_T_max  0.7302
_exptl_absorpt_correction_T_min  0.5189
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            Pale-green
_exptl_crystal_density_diffrn    2.337
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Rectanglar
_exptl_crystal_F_000             1576
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.572
_refine_diff_density_min         -1.022
_refine_diff_density_rms         0.241
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.082
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     370
_refine_ls_number_reflns         5533
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.082
_refine_ls_R_factor_all          0.0946
_refine_ls_R_factor_gt           0.0593
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0376P)^2^+2.2469P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1004
_refine_ls_wR_factor_ref         0.1111
_reflns_number_gt                4027
_reflns_number_total             5533
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0617644si20060918_034243_2.cif
_cod_data_source_block           Compound_2_(Pr)
_cod_original_cell_volume        2345.0(8)
_cod_database_code               4307221