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_1507990
_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_moiety         'C58 H110 Si4 W Y4, C6 H14'
_chemical_formula_sum            'C64 H124 Si4 W Y4'
_chemical_formula_weight         1545.53
_chemical_name_systematic
; 
 ? 
;
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_atom_sites_solution_hydrogens   difmap
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_cell_angle_alpha                90
_cell_angle_beta                 91.8510(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.2794(6)
_cell_length_b                   30.4306(14)
_cell_length_c                   18.1306(8)
_cell_measurement_temperature    150(2)
_cell_volume                     7322.8(6)
_computing_molecular_graphics    'ORTEP-3 for Windows'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.746
_diffrn_measured_fraction_theta_max 0.746
_diffrn_measurement_device_type  'ILL VIVALDI'
_diffrn_measurement_method       'time-of-flight Laue diffraction'
_diffrn_radiation_probe          neutron
_diffrn_radiation_source         'ILL VIVALDI'
_diffrn_radiation_type           neutron
_diffrn_radiation_wavelength     0.9-2.7
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_diffrn_reflns_av_sigmaI/netI    0.1586
_diffrn_reflns_limit_h_max       12
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_diffrn_reflns_theta_min         0.98
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_exptl_absorpt_correction_type   none
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.402
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             56
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_exptl_crystal_size_mid          1.5
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1932P)^2^+630.1736P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_reflns_threshold_expression     I>2\s(I)
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_cod_database_code               1507990