Homoleptic 12-coordinate lanthanoids with eta(2)-nitroso ligands.
Chesman, Anthony S. R.; Turner, David R.; Izgorodina, Ekaterina I.; Batten, Stuart R.; Deacon, Glen B.; Dalton transactions (Cambridge, England : 2003)  (2007) 1371–1373; doi:10.1039/b702473h

data_7005478
_publ_section_title
;
 Homoleptic 12-coordinate lanthanoids with eta(2)-nitroso ligands.
;
_journal_issue                   14
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1371
_journal_page_last               1373
_journal_paper_doi               10.1039/b702473h
_journal_year                    2007
_chemical_formula_moiety         'C18 Ce1 N18 O6,3(N1 C8 H20)'
_chemical_formula_sum            'C42 H60 Ce N21 O6'
_chemical_formula_weight         1095.23
_chemical_name_common
'tetraethylammonium hexa(dicyanonitrosomethanido)cerate'
_chemical_name_systematic
;
tetraethylammonium hexa(dicyanonitrosomethanido)cerate
;
_space_group_IT_number           206
_symmetry_cell_setting           cubic
_symmetry_space_group_name_Hall  '-I 2b 2c 3'
_symmetry_space_group_name_H-M   'I a -3'
_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                   22.535(3)
_cell_length_b                   22.535(3)
_cell_length_c                   22.535(3)
_cell_measurement_reflns_used    12456
_cell_measurement_temperature    123(2)
_cell_volume                     11444(3)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'Collect (Hooft, 1999)'
_computing_data_reduction        'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'X-Seed (Barbour, 1999)'
_computing_publication_material  'CIFTAB (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       'phi scan'
_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  0.0581
_diffrn_reflns_av_sigmaI/netI    0.0592
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            10633
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         1.81
_exptl_absorpt_coefficient_mu    0.855
_exptl_absorpt_correction_T_max  0.9666
_exptl_absorpt_correction_T_min  0.8754
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SORTAV
_exptl_crystal_colour            purple
_exptl_crystal_density_diffrn    1.271
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             4520
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.347
_refine_diff_density_min         -0.358
_refine_diff_density_rms         0.076
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.920
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     109
_refine_ls_number_reflns         2199
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.920
_refine_ls_R_factor_all          0.0910
_refine_ls_R_factor_gt           0.0303
_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^)+(0.0433P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0681
_refine_ls_wR_factor_ref         0.0863
_reflns_number_gt                1164
_reflns_number_total             2199
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b702473h.txt
_cod_data_source_block
c:\docume~1\owner\mydocu~1\xray\anthony\ac1591\swap
_cod_depositor_comments
;
The following automatic conversions were performed:
'_exptl_absorpt_correction_type' value 'Empirical' changed to 'empirical'
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 
;
_cod_original_cell_volume        11444(2)
_cod_original_sg_symbol_H-M      Ia-3
_cod_original_formula_sum        'C42 H60 Ce1 N21 O6'
_cod_database_code               7005478