A versatile salt-metathesis route to heteroatomic clusters derived from phosphorus and arsenic Zintl anions.
Knapp, Caroline M.; Large, Joseph S.; Rees, Nicholas H.; Goicoechea, Jose M.; Dalton transactions (Cambridge, England : 2003) 40 (2011) 735–745; doi:10.1039/c0dt00918k

data_7014513
_publ_section_title
;
 A versatile salt-metathesis route to heteroatomic clusters derived
 from phosphorus and arsenic Zintl anions.
;
_journal_issue                   3
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              735
_journal_page_last               745
_journal_paper_doi               10.1039/c0dt00918k
_journal_volume                  40
_journal_year                    2011
_chemical_formula_moiety         'C24 H48 As7 K2 O12 Tl'
_chemical_formula_sum            'C24 H48 As7 K2 O12 Tl'
_chemical_formula_weight         1335.63
_chemical_name_common            (K(18-crown-6))2(TlAs7)
_chemical_name_systematic
;
[K(18-crown-6)]2[TlAs7]
;
_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                 107.8300(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.8701(3)
_cell_length_b                   11.4835(3)
_cell_length_c                   20.8037(3)
_cell_measurement_reflns_used    320176
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      5.097
_cell_volume                     4291.53(15)
_computing_cell_refinement
;
KappaCCD software "DENZO" (Otwinowski & Minor, 1996)
;
_computing_data_collection
;
KappaCCD software "Collect" (Nonius, 2000)
;
_computing_data_reduction
;
KappaCCD software "DENZO" (Otwinowski & Minor, 1996)
;
_computing_molecular_graphics    'WinGX (Farrugia, 2005)'
_computing_publication_material  'XCIF (Sheldrick, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       'omega 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  0.0349
_diffrn_reflns_av_sigmaI/netI    0.0395
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            14444
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         5.11
_exptl_absorpt_coefficient_mu    9.361
_exptl_absorpt_correction_T_max  0.6518
_exptl_absorpt_correction_T_min  0.1536
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    2.067
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2552
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.812
_refine_diff_density_min         -1.624
_refine_diff_density_rms         0.219
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.125
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     554
_refine_ls_number_reflns         7489
_refine_ls_number_restraints     265
_refine_ls_restrained_S_all      1.113
_refine_ls_R_factor_all          0.0806
_refine_ls_R_factor_gt           0.0704
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0661P)^2^+107.0257P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1869
_refine_ls_wR_factor_ref         0.1910
_reflns_number_gt                6461
_reflns_number_total             7489
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            C0DT00918K.TXT
_cod_data_source_block           4b
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 1555 2011-01-17 13:19:09Z saulius 
;
_cod_original_sg_symbol_Hall     '-P 2ybc '
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7014513