Completing the Series of +2 Ions for the Lanthanide Elements: Synthesis of Molecular Complexes of Pr2+, Gd2+, Tb2+, and Lu2+
Matthew R. MacDonald; Jefferson E. Bates; Joseph W. Ziller; Filipp Furche; William J. Evans; Journal of the American Chemical Society 135 (2013) 9857–9868; doi:10.1021/ja403753j

data_4120021
_publ_contact_author
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Professor William J. Evans
Department of Chemistry
1102 Natural Sciences II
University of California, Irvine
Irvine, CA 92697-2025
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_publ_contact_author_email       wevans@uci.edu
_publ_contact_author_fax         '1  949 824 2210'
_publ_contact_author_phone       '1  949 824 5174'
_publ_section_title
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 Completing the Series of +2 Ions for the Lanthanide Elements: Synthesis
 of Molecular Complexes of Pr2+, Gd2+, Tb2+, and Lu2+
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              9857
_journal_page_last               9868
_journal_paper_doi               10.1021/ja403753j
_journal_volume                  135
_journal_year                    2013
_chemical_formula_sum            'C36 H63 K O6 Si3 Tb'
_chemical_formula_weight         874.15
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXTL
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.2443(4)
_cell_length_b                   16.9952(6)
_cell_length_c                   22.5245(8)
_cell_measurement_reflns_used    9291
_cell_measurement_temperature    88(2)
_cell_measurement_theta_max      28.75
_cell_measurement_theta_min      2.17
_cell_volume                     4304.4(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      88(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.956
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \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  0.0166
_diffrn_reflns_av_sigmaI/netI    0.0245
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            51742
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         28.91
_diffrn_reflns_theta_min         1.81
_exptl_absorpt_coefficient_mu    1.861
_exptl_absorpt_correction_T_max  0.6915
_exptl_absorpt_correction_T_min  0.4480
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            purple
_exptl_crystal_density_diffrn    1.349
_exptl_crystal_density_meas      ?
_exptl_crystal_description       hexagonal
_exptl_crystal_F_000             1812
_exptl_crystal_size_max          0.51
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.793
_refine_diff_density_min         -0.280
_refine_diff_density_rms         0.049
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.004(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     433
_refine_ls_number_reflns         10526
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0140
_refine_ls_R_factor_gt           0.0137
_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^)+(0.0138P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0336
_refine_ls_wR_factor_ref         0.0337
_reflns_number_gt                10367
_reflns_number_total             10526
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja403753j_si_002_04.cif
_cod_data_source_block           mrm47
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not_measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
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_cod_database_code               4120021