Dioxomolybdenum(vi) and dioxotungsten(vi) complexes chelated with the ONO tridentate hydrazone ligand: synthesis, structure and catalytic epoxidation activity
Vrdoljak, Višnja; Pisk, Jana; Agustin, Dominique; Novak, Predrag; Parlov Vuković, Jelena; Matković-Čalogović, Dubravka; New J. Chem. 38 (2014) 6176–; doi:10.1039/C4NJ01394H

data_7054471
_publ_section_title
;
 Dioxomolybdenum(vi) and dioxotungsten(vi) complexes chelated with the ONO
 tridentate hydrazone ligand: synthesis, structure and catalytic
 epoxidation activity
;
_journal_issue                   12
_journal_name_full               'New J. Chem.'
_journal_page_first              6176
_journal_paper_doi               10.1039/C4NJ01394H
_journal_volume                  38
_journal_year                    2014
_chemical_formula_sum            'C16 H16 Mo N2 O6'
_chemical_formula_weight         428.25
_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                95.560(2)
_cell_angle_beta                 90.676(2)
_cell_angle_gamma                100.214(2)
_cell_formula_units_Z            2
_cell_length_a                   6.92430(10)
_cell_length_b                   7.5678(2)
_cell_length_c                   15.8992(4)
_cell_measurement_reflns_used    17950
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      33.0859
_cell_measurement_theta_min      3.8227
_cell_volume                     815.73(3)
_computing_cell_refinement
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.33.32 (release 27-01-2009 CrysAlis171 .NET)
(compiled Jan 27 2009,14:17:37)
;
_computing_data_collection
;
CrysAlis CCD, Oxford Diffraction Ltd.,
Version 1.171.33.32 (release 27-01-2009 CrysAlis171 .NET)
(compiled Jan 27 2009,14:17:37)
;
_computing_data_reduction
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.33.32 (release 27-01-2009 CrysAlis171 .NET)
(compiled Jan 27 2009,14:17:37)
;
_computing_molecular_graphics    'Mercury (Macrae et al., 2008)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 16.3426
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Goniometer KM4/Xcalibur, detector: Sapphire3'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0485
_diffrn_reflns_av_unetI/netI     0.0271
_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       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            25526
_diffrn_reflns_theta_full        29.00
_diffrn_reflns_theta_max         29.00
_diffrn_reflns_theta_min         3.84
_exptl_absorpt_coefficient_mu    0.841
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.96512
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.33.32 (release 27-01-2009 CrysAlis171 .NET)
(compiled Jan 27 2009,14:17:37)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            orange-red
_exptl_crystal_density_diffrn    1.744
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             432
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.633
_refine_diff_density_min         -0.483
_refine_diff_density_rms         0.083
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     276
_refine_ls_number_reflns         4316
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.0275
_refine_ls_R_factor_gt           0.0239
_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^)+(0.0433P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0610
_refine_ls_wR_factor_ref         0.0620
_reflns_number_gt                3928
_reflns_number_total             4316
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c4nj01394h2.cif
_cod_data_source_block           3
_cod_depositor_comments
'Adding full bibliography for 7054467--7054471.cif.'
_cod_database_code               7054471