Zinc(ii) ortho-hydroxyphenylhydrazo-β-diketonate complexes and their catalytic ability towards diastereoselective nitroaldol (Henry) reaction.
Kopylovich, Maximilian N.; Mac Leod, Tatiana C. O.; Mahmudov, Kamran T.; Guedes da Silva, M Fátima C; Pombeiro, Armando J. L.; Dalton transactions (Cambridge, England : 2003) 40 (2011) 5352–5361; doi:10.1039/c0dt01457e

data_7015293
_publ_section_title
;
 Zinc(ii) ortho-hydroxyphenylhydrazo-\b-diketonate complexes and their
 catalytic ability towards diastereoselective nitroaldol (Henry)
 reaction.
;
_journal_issue                   19
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              5352
_journal_page_last               5361
_journal_paper_doi               10.1039/c0dt01457e
_journal_volume                  40
_journal_year                    2011
_chemical_formula_moiety         'C24 H28 N4 O8 Zn2'
_chemical_formula_sum            'C24 H28 N4 O8 Zn2'
_chemical_formula_weight         631.24
_chemical_name_systematic
;
?
;
_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                93.178(2)
_cell_angle_beta                 103.423(3)
_cell_angle_gamma                111.763(2)
_cell_formula_units_Z            1
_cell_length_a                   8.0218(4)
_cell_length_b                   8.8006(3)
_cell_length_c                   10.3280(5)
_cell_measurement_reflns_used    1847
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      25.93
_cell_measurement_theta_min      2.84
_cell_volume                     650.53(5)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.970
_diffrn_measured_fraction_theta_max 0.970
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0415
_diffrn_reflns_av_sigmaI/netI    0.0545
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            6173
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         2.84
_exptl_absorpt_coefficient_mu    1.899
_exptl_absorpt_correction_T_max  0.8629
_exptl_absorpt_correction_T_min  0.6381
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.611
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             324
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.404
_refine_diff_density_min         -0.395
_refine_diff_density_rms         0.082
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.969
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     178
_refine_ls_number_reflns         2320
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.969
_refine_ls_R_factor_all          0.0468
_refine_ls_R_factor_gt           0.0337
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0423P)^2^+0.0048P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0734
_refine_ls_wR_factor_ref         0.0793
_reflns_number_gt                1915
_reflns_number_total             2320
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt01457e.txt
_cod_data_source_block           Compound5
_cod_original_cell_volume        650.52(5)
_cod_database_code               7015293