Diastereoselective Self-Assembly of Chiral Diamine-Chelated Aryllithiums to Dimeric Aggregates
Anne M. Arink; Claudia M. P. Kronenburg; Johann T. B. H. Jastrzebski; Martin Lutz; Anthony L. Spek; Robert A. Gossage; Gerard van Koten; Journal of the American Chemical Society 126 (2004) 16249–16258; doi:10.1021/ja045914q

data_4113252
_publ_contact_author_address
; Bijvoet Center for Biomolecular Research
  Dep. Crystal and Structural Chemistry
  Utrecht University
  Padualaan 8
  3584 CH Utrecht
  The Netherlands
;
_publ_contact_author_email       m.lutz@chem.uu.nl
_publ_contact_author_fax         '[+31] 30 2533940'
_publ_contact_author_name        'Martin Lutz'
_publ_contact_author_phone       '[+31] 30 2533902'
_publ_section_title
;
 Diastereoselective Self-Assembly of Chiral Diamine-Chelated Aryllithiums
 to Dimeric Aggregates
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              16249
_journal_page_last               16258
_journal_paper_doi               10.1021/ja045914q
_journal_volume                  126
_journal_year                    2004
_chemical_absolute_configuration syn
_chemical_formula_moiety         'C26 H42 Li2 N4'
_chemical_formula_sum            'C26 H42 Li2 N4'
_chemical_formula_weight         424.52
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 94.7843(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.6895(1)
_cell_length_b                   17.2620(2)
_cell_length_c                   16.2017(2)
_cell_measurement_reflns_used    46202
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      26.37
_cell_measurement_theta_min      1.02
_cell_volume                     2700.46(5)
_computing_cell_refinement       HKL2000
_computing_data_collection       'Nonius COLLECT'
_computing_data_reduction        'HKL2000, SortAV'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0725
_diffrn_reflns_av_sigmaI/netI    0.0390
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            28269
_diffrn_reflns_theta_full        24.34
_diffrn_reflns_theta_max         24.34
_diffrn_reflns_theta_min         1.26
_exptl_absorpt_coefficient_mu    0.060
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.044
_exptl_crystal_description       block
_exptl_crystal_F_000             928
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.122
_refine_diff_density_min         -0.144
_refine_diff_density_rms         0.034
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     593
_refine_ls_number_reflns         4556
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0438
_refine_ls_R_factor_gt           0.0365
_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^)+(0.0561P)^2^+0.0617P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0855
_refine_ls_wR_factor_ref         0.0904
_reflns_number_gt                4006
_reflns_number_total             4556
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ja045914qsi20040708_095033.cif
_cod_data_source_block           s2708a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_refine_ls_hydrogen_treatment' value 'constrained' was replaced with
the value 'constr' as specified in the replacement file
'src/cod-tools/trunk/data/replacement-values/replacement_values.lst'.

Automatic conversion script
Id: cif_fix_values 5376 2017-05-30 11:51:03Z andrius 
;
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4113252