Rare earth arylsilazido compounds with inequivalent secondary interactions.
Boteju, Kasuni C.; Wan, Suchen; Venkatesh, Amrit; Ellern, Arkady; Rossini, Aaron J.; Sadow, Aaron D.; Chemical communications (Cambridge, England) 54 (2018) 7318–7321; doi:10.1039/c8cc03186j

data_7121805
_publ_section_title
;
 Rare earth arylsilazido compounds with inequivalent secondary
 interactions.
;
_journal_issue                   53
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              7318
_journal_page_last               7321
_journal_paper_doi               10.1039/c8cc03186j
_journal_volume                  54
_journal_year                    2018
_chemical_formula_moiety         'C42 H72 N3 Si3 Y'
_chemical_formula_sum            'C42 H72 N3 Si3 Y'
_chemical_formula_weight         792.20
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_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_update_record
;
2018-04-18 deposited with the CCDC.
2018-06-04 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90.412(2)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   12.5095(3)
_cell_length_b                   20.2927(5)
_cell_length_c                   36.0731(9)
_cell_measurement_reflns_used    9312
_cell_measurement_temperature    173.(2)
_cell_measurement_theta_max      68.0937
_cell_measurement_theta_min      4.2735
_cell_volume                     9157.0(4)
_computing_cell_refinement       'SAINT V8.38A (Bruker AXS Inc., 2017)'
_computing_data_collection       'APEX3 Suite (Bruker AXS Inc. , 2017)'
_computing_data_reduction        'SAINT V8.38A (Bruker AXS Inc., 2017)'
_computing_molecular_graphics    'shelXle (C.B. Huebschle, rev 833)'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'XT, VERSION 2014/5'
_diffrn_ambient_temperature      173.(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.956
_diffrn_measured_fraction_theta_max 0.956
_diffrn_measurement_device_type  'Bruker D8 VENTURE diffractometer'
_diffrn_measurement_method
;
calculated with 99% coverage BRUKER QUINN strategy.
\w and \f scans, narrow frame width
;
_diffrn_radiation_monochromator  'multilayer mirror'
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0492
_diffrn_reflns_av_unetI/netI     0.0226
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       43
_diffrn_reflns_limit_l_min       -43
_diffrn_reflns_number            199881
_diffrn_reflns_theta_full        68.87
_diffrn_reflns_theta_max         68.87
_diffrn_reflns_theta_min         2.45
_diffrn_source                   'microfocus sealed tube'
_diffrn_source_type              'sealed tube'
_exptl_absorpt_coefficient_mu    2.757
_exptl_absorpt_correction_T_max  0.87
_exptl_absorpt_correction_T_min  0.64
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;

SADABS (Spek A. L., 2015) was used for an absorption correction and scalling
of observed data
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.149
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3408
_exptl_crystal_size_max          0.180
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.050
_refine_diff_density_max         0.699
_refine_diff_density_min         -0.876
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.287
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     916
_refine_ls_number_reflns         16242
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.287
_refine_ls_R_factor_all          0.0546
_refine_ls_R_factor_gt           0.0531
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+33.9984P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1215
_refine_ls_wR_factor_ref         0.1221
_reflns_number_gt                15675
_reflns_number_total             16242
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8cc03186j2.cif
_cod_data_source_block           YNSiHMe2Dipp
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-Scan' changed to
'multi-scan' according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/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 4973 2017-02-22 13:04:09Z antanas 

 Adding full bibliography for 7121802--7121805.cif.
;
_cod_database_code               7121805
_shelx_res_checksum              22041