Lithium Fluoroarylamidinates: Syntheses, Structures, and Reactions
Carsten Knapp; Enno Lork; Paul G. Watson; Rüdiger Mews; Inorganic Chemistry 41 (2002) 2014–2025; doi:10.1021/ic011099t

data_4317874
_publ_contact_author
;
          R\"udiger Mews
          Institute of Inorganic and Physical Chemistry
          University of Bremen
          P.O.330 440
          D - 28334 Bremen
          Germany
;
_publ_contact_author_fax         '+49 421 218 4267'
_publ_contact_author_phone       '+49 421 218 3354'
_publ_section_title
;
 Lithium Fluoroarylamidinates: Syntheses, Structures, and Reactions
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              2014
_journal_page_last               2025
_journal_paper_doi               10.1021/ic011099t
_journal_volume                  41
_journal_year                    2002
_chemical_formula_sum            'C21 H33 F5 Li N2 O2 Si2'
_chemical_formula_weight         503.61
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 92.27(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.254(3)
_cell_length_b                   14.005(5)
_cell_length_c                   14.929(5)
_cell_measurement_reflns_used    37
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      12.510
_cell_measurement_theta_min      2.703
_cell_volume                     2769.0(15)
_computing_cell_refinement       'Siemens XSCANS'
_computing_data_collection       'Siemens XSCANS'
_computing_data_reduction        'Siemens XSCANS'
_computing_molecular_graphics    Diamond
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'Siemens P4'
_diffrn_measurement_method       '2\q/\w scans'
_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  0.0498
_diffrn_reflns_av_sigmaI/netI    0.0670
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -1
_diffrn_reflns_limit_k_max       1
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            4553
_diffrn_reflns_theta_full        22.49
_diffrn_reflns_theta_max         22.49
_diffrn_reflns_theta_min         2.55
_diffrn_standards_decay_%        'random variation +/-2.0'
_diffrn_standards_interval_count 197
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.180
_exptl_absorpt_correction_T_max  0.9315
_exptl_absorpt_correction_T_min  0.8997
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.208
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             1060
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.50
_exptl_crystal_size_min          0.40
_refine_diff_density_max         0.311
_refine_diff_density_min         -0.228
_refine_diff_density_rms         0.048
_refine_ls_extinction_coef       0.0010(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    refU
_refine_ls_matrix_type           full
_refine_ls_number_parameters     343
_refine_ls_number_reflns         3545
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.1225
_refine_ls_R_factor_gt           0.0680
_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^)+(0.1100P)^2^+0.3435P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1807
_refine_ls_wR_factor_ref         0.2045
_reflns_number_gt                2094
_reflns_number_total             3545
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic011099t_10.cif
_cod_data_source_block           6e
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 

The following automatic conversions were performed:
data name '_publ_contact_autor' replaced with '_publ_contact_author'
as specified in the replacement file
'/home/antanas/src/cod-tools/trunk/data/replacement-values/replacement_tags.lst'.

Automatic conversion script
Id: cif_correct_tags 4998 2017-03-02 13:24:31Z antanas 
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_cod_database_code               4317874