Synthetic and reactivity studies of hetero-tri-anionic sodium zincates.
Francos, Javier; Kennedy, Alan R.; O'Hara, Charles T; Dalton transactions (Cambridge, England : 2003) 45 (2016) 6222–6233; doi:10.1039/c5dt04329h

data_7037490
_publ_section_title
;
 Synthetic and reactivity studies of hetero-tri-anionic sodium zincates.
;
_journal_issue                   14
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              6222
_journal_page_last               6233
_journal_paper_doi               10.1039/c5dt04329h
_journal_volume                  45
_journal_year                    2016
_chemical_formula_sum            'C26 H55 N2 Na Zn'
_chemical_formula_weight         484.08
_chemical_name_systematic
; 
 ? 
;
_chemical_properties_physical
'Air-sensitive, Moisture-sensitive, Oxygen-sensitive'
_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
_audit_update_record
;
2015-11-02 deposited with the CCDC.
2015-11-30 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 102.622(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.6824(6)
_cell_length_b                   10.3773(3)
_cell_length_c                   16.9440(5)
_cell_measurement_reflns_used    8056
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      29.5081
_cell_measurement_theta_min      3.0152
_cell_volume                     2862.43(16)
_computing_cell_refinement       CrysalisPro
_computing_data_collection       CrysalisPro
_computing_data_reduction        CrysalisPro
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Oxford Diffraction Xcalibur E'
_diffrn_measurement_method       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  0.0312
_diffrn_reflns_av_sigmaI/netI    0.0367
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            19545
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         3.10
_exptl_absorpt_coefficient_mu    0.887
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.91088
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Implemented within CrysalisPro'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.123
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plates
_exptl_crystal_F_000             1064
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.396
_refine_diff_density_min         -0.236
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     295
_refine_ls_number_reflns         6244
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0448
_refine_ls_R_factor_gt           0.0313
_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^)+(0.0279P)^2^+1.0787P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0676
_refine_ls_wR_factor_ref         0.0738
_reflns_number_gt                5089
_reflns_number_total             6244
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            c5dt04329h2.cif
_cod_data_source_block           shelxl
_cod_depositor_comments
'Adding full bibliography for 7037489--7037496.cif.'
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7037490