<i>catena</i>-Poly[[[tetraaquapraseodymium(III)]-di-μ-nicotinato-κ^2^<i>O</i>:<i>N</i>;κ^2^<i>O</i>:<i>N</i>-disilver(I)-di-μ-nicotinato-κ^2^<i>N</i>:<i>O</i>;κ^2^<i>N</i>:<i>O</i>] perchlorate monohydrate]
Guan, Biao; Zhang, Chao-Hua; Song, Wen-Dong; Acta Crystallographica Section E 65 (2009) m208–m209; doi:10.1107/S1600536809001718

data_2220836
_publ_section_title
;<i>catena</i>-Poly[[[tetraaquapraseodymium(III)]-di-\m-nicotinato-\k^2^<i>O</i>:<i>N</i>;\k^2^<i>O</i>:<i>N</i>-disilver(I)-di-\m-nicotinato-\k^2^<i>N</i>:<i>O</i>;\k^2^<i>N</i>:<i>O</i>]
 perchlorate monohydrate]
;
_journal_coeditor_code           HY2177
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m208
_journal_page_last               m209
_journal_paper_doi               10.1107/S1600536809001718
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          '[Ag2 Pr (C6 H4 N O2)4 (H2 O)4] Cl O4, H2 O'
_chemical_formula_moiety         'C24 H24 Ag2 N4 O12 Pr +, Cl O4 -, H2 O'
_chemical_formula_sum            'C24 H26 Ag2 Cl N4 O17 Pr'
_chemical_formula_weight         1034.59
_chemical_name_systematic
;
<i>catena</i>-Poly[[[tetraaquapraseodymium(III)]-di-\m-nicotinato-
\k^2^<i>O</i>:<i>N</i>;\k^2^<i>O</i>:<i>N</i>-disilver(I)-di-\m-nicotinato-
\k^2^<i>N</i>:<i>O</i>;\k^2^<i>N</i>:<i>O</i>] perchlorate monohydrate]
;
_space_group_IT_number           64
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-C 2ac 2'
_symmetry_space_group_name_H-M   'C m c a'
_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                   35.396(3)
_cell_length_b                   12.3733(10)
_cell_length_c                   15.2324(13)
_cell_measurement_reflns_used    3121
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      28
_cell_measurement_theta_min      1.36
_cell_volume                     6671.3(10)
_computing_cell_refinement       'SAINT (Bruker, 2007)'
_computing_data_collection       'APEX2 (Bruker, 2007)'
_computing_data_reduction        'SAINT (Bruker, 2007)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEXII CCD'
_diffrn_measurement_method       '\f and \w'
_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  0.0491
_diffrn_reflns_av_sigmaI/netI    0.0351
_diffrn_reflns_limit_h_max       42
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            16336
_diffrn_reflns_theta_full        25.20
_diffrn_reflns_theta_max         25.20
_diffrn_reflns_theta_min         2.20
_exptl_absorpt_coefficient_mu    2.761
_exptl_absorpt_correction_T_max  0.552
_exptl_absorpt_correction_T_min  0.453
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            'pale purple'
_exptl_crystal_density_diffrn    2.060
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             4032
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.22
_refine_diff_density_max         1.559
_refine_diff_density_min         -0.865
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.062
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     227
_refine_ls_number_reflns         3065
_refine_ls_number_restraints     27
_refine_ls_restrained_S_all      4.104
_refine_ls_R_factor_all          0.0472
_refine_ls_R_factor_gt           0.0363
_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^)+(0.0479P)^2^+31.5675P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0907
_refine_ls_wR_factor_ref         0.0974
_reflns_number_gt                2478
_reflns_number_total             3065
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hy2177.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        6671.2(10)
_cod_original_sg_symbol_Hall     '-C 2bc 2'
_cod_database_code               2220836
_cod_database_fobs_code          2220836