Syntheses, characterizations, and reactivities of new 1,4,7-trimethyl-l,4,7-triazacyclononane (Me3tacn) molybdenum and tungsten complexes
Zhang, Cai-Xia; Fang, Duo-Wen; Wang, Jun-Ling; Jia, Ai-Quan; Zhang, Qian-Feng; Inorganica Chimica Acta 507 (2020) 119599–; doi:10.1016/j.ica.2020.119599

data_1564855
_publ_section_title
;
 Syntheses, characterizations, and reactivities of new
 1,4,7-trimethyl-l,4,7-triazacyclononane (Me3tacn) molybdenum and tungsten
 complexes
;
_journal_name_full               'Inorganica Chimica Acta'
_journal_page_first              119599
_journal_paper_doi               10.1016/j.ica.2020.119599
_journal_volume                  507
_journal_year                    2020
_chemical_formula_moiety         'C12 H21 N3 O3 W'
_chemical_formula_sum            'C12 H21 N3 O3 W'
_chemical_formula_weight         439.17
_space_group_crystal_system      orthorhombic
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.859(2)
_cell_length_b                   13.042(2)
_cell_length_c                   8.2384(13)
_cell_measurement_reflns_used    1876
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      24.29
_cell_measurement_theta_min      2.88
_cell_volume                     1489.1(4)
_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-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.920
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0585
_diffrn_reflns_av_unetI/netI     0.0541
_diffrn_reflns_Laue_measured_fraction_full 0.980
_diffrn_reflns_Laue_measured_fraction_max 0.920
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            4141
_diffrn_reflns_point_group_measured_fraction_full 0.980
_diffrn_reflns_point_group_measured_fraction_max 0.920
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.517
_diffrn_reflns_theta_min         2.876
_exptl_absorpt_coefficient_mu    7.765
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.959
_exptl_crystal_description       block
_exptl_crystal_F_000             848
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.180
_exptl_crystal_size_min          0.140
_exptl_transmission_factor_max   0.337
_exptl_transmission_factor_min   0.231
_refine_diff_density_max         2.115
_refine_diff_density_min         -1.138
_refine_diff_density_rms         0.192
_refine_ls_extinction_coef       .
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.868
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     95
_refine_ls_number_reflns         1638
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.868
_refine_ls_R_factor_all          0.0504
_refine_ls_R_factor_gt           0.0389
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0600P)^2^+0.8824P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0917
_refine_ls_wR_factor_ref         0.0976
_reflns_Friedel_coverage         0.000
_reflns_Friedel_fraction_full    .
_reflns_Friedel_fraction_max     .
_reflns_number_gt                1264
_reflns_number_total             1638
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            1a.cif
_cod_data_source_block           PNMA
_cod_original_cell_volume        1489.0(4)
_cod_database_code               1564855
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.306
_shelx_estimated_absorpt_t_max   0.409
_shelx_res_checksum              84950
_shelx_hkl_checksum              31016