Binuclear rare-earth polyhydride complexes bearing both terminal and bridging hydride ligands
Cheng, Jianhua; Wang, Haiyu; Nishiura, Masayoshi; Hou, Zhaomin; Chemical Science 3 (2012) 2230–; doi:10.1039/c2sc20300f

data_1515052
_publ_section_title
;
 Binuclear rare-earth polyhydride complexes bearing both terminal and
 bridging hydride ligands
;
_journal_issue                   7
_journal_name_full               'Chemical Science'
_journal_page_first              2230
_journal_paper_doi               10.1039/c2sc20300f
_journal_volume                  3
_journal_year                    2012
_chemical_formula_sum            'C83 H115 N5 O3 Y2'
_chemical_formula_weight         1408.62
_chemical_name_common            ((PhNCN)YH)2(CH2NAr*)(THF)3
_chemical_name_systematic
;
?
;
_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                 90.028(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.898(3)
_cell_length_b                   23.121(6)
_cell_length_c                   35.564(9)
_cell_measurement_temperature    163(2)
_cell_volume                     9783(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      163(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_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  0.0663
_diffrn_reflns_av_sigmaI/netI    0.0932
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       42
_diffrn_reflns_limit_l_min       -39
_diffrn_reflns_number            49823
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.44
_exptl_absorpt_coefficient_mu    1.219
_exptl_absorpt_correction_T_max  0.6284
_exptl_absorpt_correction_T_min  0.5922
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008)'
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    0.956
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             3000
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.45
_exptl_crystal_size_min          0.42
_platon_squeeze_details
;
Disorder solvents (one hexane and 2.5 toluene) per formual unit of
[(PhNCN)YH]2(CH2NAr*)(THF)3 were not modelled and the disordered density
was taken into account using the SQUEEZE/PLATON procedure.
(Sluis, P. van der; Spek, A. L. Acta Crystallogr.
1990, A46, 194?01) as implemented in PLATON (Spek, A.L. Acta
Crystallogr. 1990, A46, C34; Spek, A.L. J. Appl. Cryst. 2003, 36, 7?3.
PLATON - a multipurpose crystallographic tool. Utrecht University,
Utrecht, The Netherlands).
;
_refine_diff_density_max         0.685
_refine_diff_density_min         -0.444
_refine_diff_density_rms         0.070
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.935
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     857
_refine_ls_number_reflns         17087
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      0.936
_refine_ls_R_factor_all          0.0881
_refine_ls_R_factor_gt           0.0541
_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^)+(0.0752P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1301
_refine_ls_wR_factor_ref         0.1407
_reflns_number_gt                10716
_reflns_number_total             17087
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2sc20300f.txt
_cod_data_source_block           3-Y
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'Empirical'
changed to 'empirical' according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_cell_volume        9784(4)
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               1515052