Synthesis and Characterization of Group 11 1,1,3,3-Tetraalkylguanidinate (TAG) Clusters: [M2(μ-TAG){μ-N(SiMe3)2}]2 (M = Cu, Ag, and Au)
Scott D. Bunge; Jennifer L. Steele; Inorganic Chemistry 48 (2009) 2701–2706; doi:10.1021/ic802291u

data_4301743
_publ_contact_author_address
;Kent State University
Chemistry Department
PO Box 5190
Kent, OH 44242, USA
;
_publ_contact_author_email       sbunge@kent.edu
_publ_contact_author_fax         '330 672 3816'
_publ_contact_author_name        'Scott D. Bunge'
_publ_contact_author_phone       '330 672 9445'
_publ_section_title
;
Synthesis and Characterization of Group 11 1,1,3,3-Tetraalkylguanidinate
(TAG) Clusters: [M2(\m-TAG){\m-N(SiMe3)2}]2 (M = Cu, Ag, and Au)
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              2701
_journal_page_last               2706
_journal_paper_doi               10.1021/ic802291u
_journal_volume                  48
_journal_year                    2009
_chemical_formula_sum            'C30 H72 Ag4 N8 Si4'
_chemical_formula_weight         1088.80
_chemical_name_common            '[Ag2(\m-DEPYRG)2{\m-N(TMS)2}2]2 (5)'
_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
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                74.234(2)
_cell_angle_beta                 73.164(2)
_cell_angle_gamma                67.970(2)
_cell_formula_units_Z            1
_cell_length_a                   10.2810(13)
_cell_length_b                   10.7377(14)
_cell_length_c                   12.8025(16)
_cell_measurement_reflns_used    6812
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.60
_cell_measurement_theta_min      2.43
_cell_volume                     1232.6(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0206
_diffrn_reflns_av_sigmaI/netI    0.0276
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            9892
_diffrn_reflns_theta_full        25.05
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         1.69
_exptl_absorpt_coefficient_mu    1.690
_exptl_absorpt_correction_T_max  0.6774
_exptl_absorpt_correction_T_min  0.5169
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.467
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    .
_exptl_crystal_description       irregular
_exptl_crystal_F_000             552
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.37
_exptl_crystal_size_min          0.25
_refine_diff_density_max         5.179
_refine_diff_density_min         -0.769
_refine_diff_density_rms         0.244
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.111
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     216
_refine_ls_number_reflns         4345
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.111
_refine_ls_R_factor_all          0.0561
_refine_ls_R_factor_gt           0.0508
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0779P)^2^+15.8512P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1538
_refine_ls_wR_factor_ref         0.1589
_reflns_number_gt                3872
_reflns_number_total             4345
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic802291u_si_002_5.cif
_cod_data_source_block           js008
_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.

'_exptl_absorpt_correction_type' value 'MULTI-SCAN' changed
to 'multi-scan' 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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_database_code               4301743