Molecular heterometallic hydride clusters composed of rare-earth and d-transition metals.
Shima, Takanori; Luo, Yi; Stewart, Timothy; Bau, Robert; McIntyre, Garry J.; Mason, Sax A.; Hou, Zhaomin; Nature chemistry 3 (2011) 814–820; doi:10.1038/nchem.1147

data_1507991
_publ_section_title
;
 Molecular heterometallic hydride clusters composed of rare-earth and
 d-transition metals.
;
_journal_issue                   10
_journal_name_full               'Nature chemistry'
_journal_page_first              814
_journal_page_last               820
_journal_paper_doi               10.1038/nchem.1147
_journal_volume                  3
_journal_year                    2011
_chemical_formula_sum            'C64 H118 Si4 W Y4'
_chemical_formula_weight         1539.43
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
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_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                 91.4570(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.7848(9)
_cell_length_b                   20.1790(13)
_cell_length_c                   27.0183(16)
_cell_measurement_reflns_used    33689
_cell_measurement_temperature    163(2)
_cell_measurement_theta_max      23.33
_cell_measurement_theta_min      1.51
_cell_volume                     7513.1(8)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Diamond Ver.2.1d'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      163(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and 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  0.0500
_diffrn_reflns_av_sigmaI/netI    0.0878
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            33689
_diffrn_reflns_theta_full        23.33
_diffrn_reflns_theta_max         23.33
_diffrn_reflns_theta_min         1.51
_exptl_absorpt_coefficient_mu    4.677
_exptl_absorpt_correction_T_max  0.4548
_exptl_absorpt_correction_T_min  0.2563
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.361
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3152
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.20
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_refine_diff_density_max         1.599
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_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    mixed
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_refine_ls_number_reflns         10845
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      0.912
_refine_ls_R_factor_all          0.0723
_refine_ls_R_factor_gt           0.0396
_refine_ls_shift/su_max          0.023
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0488P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0959
_refine_ls_wR_factor_ref         0.1022
_reflns_number_gt                6925
_reflns_number_total             10845
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            nchem.1147-s8.cif
_cod_data_source_block           4
_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.

'_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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1507991