Solid state structures of homo- and hetero-bimetallic alkali metal complexes containing the dianion of (S)-N-(??-methylbenzyl)allylamine
Andrews, Philip C.; Calleja, Simone M.; Maguire, Melissa; Journal of the Chemical Society, Dalton Transactions  (2002) 3640–; doi:10.1039/b203470k

data_7011742
_publ_section_title
;
 Solid state structures of homo- and hetero-bimetallic alkali metal
 complexes containing the dianion of (S)-N-(??-methylbenzyl)allylamine
;
_journal_issue                   18
_journal_name_full
'Journal of the Chemical Society, Dalton Transactions'
_journal_page_first              3640
_journal_paper_doi               10.1039/b203470k
_journal_year                    2002
_chemical_formula_sum            'C11 H13 Li2 N'
_chemical_formula_weight         173.10
_chemical_melting_point          '141 &#x0096; 143C'
_chemical_name_common
'dilithio - (s)-N-(alpha-benzylmethyl)allylamide'
_chemical_name_systematic
; 
? 
;
_space_group_IT_number           146
_symmetry_cell_setting           rhombohedral
_symmetry_space_group_name_Hall  'R 3'
_symmetry_space_group_name_H-M   'R 3 :H'
_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                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            18
_cell_length_a                   26.797(4)
_cell_length_b                   26.797(4)
_cell_length_c                   7.3661(15)
_cell_measurement_temperature    123(2)
_cell_volume                     4580.8(13)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1'
_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      123(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       CCD
_diffrn_radiation_monochromator  'horizonally mounted graphite crystal'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0724
_diffrn_reflns_av_sigmaI/netI    0.0832
_diffrn_reflns_limit_h_max       35
_diffrn_reflns_limit_h_min       -35
_diffrn_reflns_limit_k_max       35
_diffrn_reflns_limit_k_min       -35
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            20446
_diffrn_reflns_theta_full        28.44
_diffrn_reflns_theta_max         28.44
_diffrn_reflns_theta_min         2.90
_exptl_absorpt_coefficient_mu    0.062
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.129
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'irregular block'
_exptl_crystal_F_000             1656
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.164
_refine_diff_density_min         -0.167
_refine_diff_density_rms         0.035
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   2(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.805
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     271
_refine_ls_number_reflns         4967
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.804
_refine_ls_R_factor_all          0.0989
_refine_ls_R_factor_gt           0.0485
_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/[^2^(Fo^2^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1136
_refine_ls_wR_factor_ref         0.1383
_reflns_number_gt                3194
_reflns_number_total             4967
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b203470k.txt
_cod_data_source_block           hexamer
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Rhombohedral' changed to 'rhombohedral'
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_original_cell_volume        4580.9(13)
_cod_original_sg_symbol_H-M      R3
_cod_database_code               7011742