A delocalized arene-bridged diuranium single-molecule magnet.
Mills, David P.; Moro, Fabrizio; McMaster, Jonathan; van Slageren, Joris; Lewis, William; Blake, Alexander J.; Liddle, Stephen T.; Nature chemistry 3 (2011) 454–460; doi:10.1038/nchem.1028

data_1507936
_publ_section_title
;
 A delocalized arene-bridged diuranium single-molecule magnet.
;
_journal_issue                   6
_journal_name_full               'Nature chemistry'
_journal_page_first              454
_journal_page_last               460
_journal_paper_doi               10.1038/nchem.1028
_journal_volume                  3
_journal_year                    2011
_chemical_formula_moiety         'C35 H47 Cl3 N2 O P2 Si2 U, C4 H8 O'
_chemical_formula_sum            'C39 H55 Cl3 N2 O2 P2 Si2 U'
_chemical_formula_weight         1046.35
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   'geom, Me from difmap'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           'enCIFer editing of SHELXL97 CIF output'
_cell_angle_alpha                85.865(2)
_cell_angle_beta                 84.843(2)
_cell_angle_gamma                66.167(2)
_cell_formula_units_Z            2
_cell_length_a                   10.3990(9)
_cell_length_b                   12.5771(11)
_cell_length_c                   17.9435(16)
_cell_measurement_reflns_used    7600
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.19
_cell_measurement_theta_min      2.28
_cell_volume                     2136.4(3)
_computing_cell_refinement       'Bruker SAINT version 6.36a (Bruker, 2000)'
_computing_data_collection       'Bruker SMART version 5.625 (Bruker, 2001)'
_computing_data_reduction        'Bruker SAINT; Bruker SHELXTL (Bruker, 2001)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material
'enCIFer(Allen et al.,2004); PLATON(Spek,2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.975
_diffrn_measurement_device_type  'Bruker SMART APEX CCD diffractometer'
_diffrn_measurement_method       '\w rotation with narrow frames'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0278
_diffrn_reflns_av_sigmaI/netI    0.0491
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            19175
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         1.77
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    4.153
_exptl_absorpt_correction_T_max  0.3823
_exptl_absorpt_correction_T_min  0.3238
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2001)'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.627
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1040
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.12
_refine_diff_density_max         1.663
_refine_diff_density_min         -1.326
_refine_diff_density_rms         0.124
_refine_ls_extinction_coef       none
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     466
_refine_ls_number_reflns         9571
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0482
_refine_ls_R_factor_gt           0.0331
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0362P)^2^+0.9008P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0691
_refine_ls_wR_factor_ref         0.0740
_reflns_number_gt                7949
_reflns_number_total             9571
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            nchem.1028-s8.cif
_cod_data_source_block           7
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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_database_code               1507936
_nottingham_internal_coll_name   UBPMCL
_nottingham_internal_coll_number 8645
_nottingham_internal_coll_client DPM/STL
_nottingham_internal_coll_type   SPHERE
_nottingham_internal_coll_frame_time 30s
_nottingham_internal_coll_frame_width '0.3 DEGREES'
_nottingham_internal_coll_frame_method '\w SCANS'
_nottingham_internal_coll_user   DPM
_nottingham_internal_coll_date   13/7/2009
_nottingham_internal_process_user DPM
_nottingham_internal_process_date 14/7/2009
_nottingham_internal_solution_user DPM
_nottingham_internal_solution_date 14/7/2009
_nottingham_internal_refinement_user DPM
_nottingham_internal_refinement_date 14/7/2009
_nottingham_internal_validation_user WL
_nottingham_internal_validation_date 5/8/2010
_nottingham_internal_archive_date 5/8/2010