Synthesis and characterisation of trigonal C(2)-chiral di- and tetra-substituted bis(oxazoline) alkyl zinc complexes and their reactivity towards protic reagents.
Le Roux, Erwan; Merle, Nicolas; Törnroos, Karl W; Dalton transactions (Cambridge, England : 2003) 40 (2011) 1768–1777; doi:10.1039/c0dt01252a

data_7014885
_publ_section_title
;
 Synthesis and characterisation of trigonal C(2)-chiral di- and
 tetra-substituted bis(oxazoline) alkyl zinc complexes and their
 reactivity towards protic reagents.
;
_journal_issue                   8
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1768
_journal_page_last               1777
_journal_paper_doi               10.1039/c0dt01252a
_journal_volume                  40
_journal_year                    2011
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C21 H22 N2 O2 Zn'
_chemical_formula_sum            'C21 H22 N2 O2 Zn'
_chemical_formula_weight         399.78
_chemical_name_systematic
;
?
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                90.00
_cell_formula_units_Z            8
_cell_length_a                   5.4113(7)
_cell_length_b                   21.983(3)
_cell_length_c                   31.330(4)
_cell_measurement_reflns_used    9971
_cell_measurement_temperature    103(2)
_cell_measurement_theta_max      24.99
_cell_measurement_theta_min      2.26
_cell_volume                     3726.9(8)
_computing_cell_refinement
;
Bruker (2008). SAINT, version 7.56A, Bruker AXS Inc., Madison,
Wisconsin, USA.
;
_computing_data_collection
;
Bruker (2008). APEX2, version 2008.5-0, Bruker AXS Inc., Madison,
Wisconsin, USA.
;
_computing_data_reduction
;
Bruker (2008). SAINT, version 7.56A, Bruker AXS Inc., Madison,
Wisconsin, USA.
;
_computing_molecular_graphics
;
Brandenburg, K. (2009). DIAMOND. Version 3.2c. Crystal Impact GbR, Bonn,
Germany.
;
_computing_publication_material
;
Bruker AXS (2008). SHELXTL. Version 2008/1. Bruker AXS Inc., Madison,
Wisconsin, USA.
;
_computing_structure_refinement
;
Sheldrick, G. M. (2008). Acta Crystallographica, A64, 112-122.
;
_computing_structure_solution
;
Sheldrick, G. M. (2008). Acta Crystallographica, A64, 112-122.
;
_diffrn_ambient_temperature      103(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker TXS APEX-II CCD'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0715
_diffrn_reflns_av_sigmaI/netI    0.0438
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       37
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            42494
_diffrn_reflns_theta_full        25.15
_diffrn_reflns_theta_max         25.15
_diffrn_reflns_theta_min         1.85
_exptl_absorpt_coefficient_mu    1.335
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.6521
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2008/1 - Bruker AXS area detector scaling and
absorption correction.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.425
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       lath
_exptl_crystal_F_000             1664
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.236
_refine_diff_density_min         -0.365
_refine_diff_density_rms         0.101
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.003(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.108
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     470
_refine_ls_number_reflns         6679
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.108
_refine_ls_R_factor_all          0.0415
_refine_ls_R_factor_gt           0.0376
_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^)+(0.0590P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0908
_refine_ls_wR_factor_ref         0.0929
_reflns_number_gt                6227
_reflns_number_total             6679
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            C0DT01252A.TXT
_cod_data_source_block           compound1b
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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 1555 2011-01-17 13:19:09Z saulius 
;
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               7014885