[Ln4@Ln4] matryoshka tetrahedron: a novel secondary building unit
Zhao, Jie; Wang, Xin; Zhao, Jing; Luo, Rui; Shen, Xuan; Zhu, Dunru; Jing, Su; CrystEngComm 18 (2016) 863–; doi:10.1039/C5CE02417J

data_7223633
_publ_section_title
;
 [Ln4@Ln4] matryoshka tetrahedron: a novel secondary building unit
;
_journal_issue                   6
_journal_name_full               CrystEngComm
_journal_page_first              863
_journal_paper_doi               10.1039/C5CE02417J
_journal_volume                  18
_journal_year                    2016
_chemical_formula_moiety
'2(C40 H34 Eu2 O18), 2(C1.50 H3.50 N0.50 O0.50)'
_chemical_formula_sum            'C83 H75 Eu4 N O37'
_chemical_formula_weight         2286.28
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           86
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-P 4bc'
_symmetry_space_group_name_H-M   'P 42/n :2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-04-21 deposited with the CCDC.
2015-12-29 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   21.2904(4)
_cell_length_b                   21.2904(4)
_cell_length_c                   19.3576(7)
_cell_measurement_reflns_used    9416
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      26.55
_cell_measurement_theta_min      1.25
_cell_volume                     8774.4(4)
_computing_cell_refinement       'SAINT (Bruker, 2005)'
_computing_data_collection       'APEX2 (Bruker, 2005)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker Apex2 CCD'
_diffrn_measurement_method       '\w 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  0.0669
_diffrn_reflns_av_sigmaI/netI    0.0374
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            61675
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.42
_exptl_absorpt_coefficient_mu    2.910
_exptl_absorpt_correction_T_max  0.7216
_exptl_absorpt_correction_T_min  0.6532
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2003)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.731
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             4512
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.908
_refine_diff_density_min         -0.689
_refine_diff_density_rms         0.105
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     661
_refine_ls_number_reflns         7705
_refine_ls_number_restraints     71
_refine_ls_restrained_S_all      1.061
_refine_ls_R_factor_all          0.0478
_refine_ls_R_factor_gt           0.0306
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0366P)^2^+9.1199P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0723
_refine_ls_wR_factor_ref         0.0778
_reflns_number_gt                5959
_reflns_number_total             7705
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ce02417j2.cif
_cod_data_source_block           xh-14b
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to
/usr/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.

'_exptl_absorpt_correction_type' value 'multi-scan ' changed to
'multi-scan' according to
/usr/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 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 7223633--7223635.cif.
;
_cod_original_sg_symbol_H-M      'P4(2)/n  '
_cod_database_code               7223633