Oxygen scavenging by lithium zincates: the synthesis, structural characterisation and derivatisation of [Ph(2-C5H4N)N]2ZnRLi??nthf (R = But, Bun; n = 1, 2)
Boss, Sally R.; Haigh, Robert; Linton, David J.; Wheatley, Andrew E. H.; Journal of the Chemical Society, Dalton Transactions  (2002) 3129–; doi:10.1039/b203451d

data_7011738
_publ_section_title
;
 Oxygen scavenging by lithium zincates: the synthesis, structural
 characterisation and derivatisation of [Ph(2-C5H4N)N]2ZnRLi??nthf (R =
 But, Bun; n = 1, 2)
;
_journal_issue                   16
_journal_name_full
'Journal of the Chemical Society, Dalton Transactions'
_journal_page_first              3129
_journal_paper_doi               10.1039/b203451d
_journal_year                    2002
_chemical_formula_sum            'C56 H64 Li2 N8 O4 Zn2'
_chemical_formula_weight         1057.77
_chemical_name_common            AW0128
_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                77.647(13)
_cell_angle_beta                 73.211(15)
_cell_angle_gamma                74.019(14)
_cell_formula_units_Z            2
_cell_length_a                   11.9618(3)
_cell_length_b                   12.7891(3)
_cell_length_c                   19.3890(6)
_cell_measurement_reflns_used    17090
_cell_measurement_temperature    180(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      1.00
_cell_volume                     2700.7(3)
_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 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      180(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       CCD
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0536
_diffrn_reflns_av_sigmaI/netI    0.0627
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            30519
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.11
_exptl_absorpt_coefficient_mu    0.940
_exptl_absorpt_correction_T_max  0.9545
_exptl_absorpt_correction_T_min  0.8641
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sortav Blessing (1995)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.301
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             1108
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.640
_refine_diff_density_min         -0.996
_refine_diff_density_rms         0.208
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.164
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     698
_refine_ls_number_reflns         12229
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.164
_refine_ls_R_factor_all          0.0712
_refine_ls_R_factor_gt           0.0429
_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^)+(0.0795P)^2^+0.0948P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1141
_refine_ls_wR_factor_ref         0.1509
_reflns_number_gt                9177
_reflns_number_total             12229
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b203451d.txt
_cod_data_source_block           aw0128
_cod_original_cell_volume        2700.70(29)
_cod_original_sg_symbol_H-M      p-1
_cod_database_code               7011738