Synthesis and structure of mixed carboxylate-aminopyridinate and -amidinate complexes of dimolybdenum and ditungsten
Irene Mendoza; Natalia Curado; Mario Carrasco; Eleuterio Alvarez; Riccardo Peloso; Amor Rodriguez; Ernesto Carmona; Inorganica Chimica Acta 424 (2015) 120–128; doi:

data_1518801
_publ_section_title
;
 Synthesis and structure of mixed carboxylate-aminopyridinate and
 -amidinate complexes of dimolybdenum and ditungsten
;
_journal_name_full               'Inorganica Chimica Acta'
_journal_page_first              120
_journal_page_last               128
_journal_volume                  424
_journal_year                    2015
_chemical_formula_moiety         'C54 H58 F6 Mo2 N4 O4, C4 H10 O'
_chemical_formula_sum            'C58 H68 F6 Mo2 N4 O5'
_chemical_formula_weight         1207.04
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 103.191(17)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   21.516(10)
_cell_length_b                   11.795(5)
_cell_length_c                   22.894(10)
_cell_measurement_reflns_used    1527
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      20.05
_cell_measurement_theta_min      2.54
_cell_volume                     5657(4)
_computing_cell_refinement       'APEX2 Software Suite (Bruker, 2007)'
_computing_data_collection       'APEX2 Software Suite (Bruker, 2007)'
_computing_data_reduction        'APEX2 Software Suite (Bruker, 2007)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL and publCIF (Westrip, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR2002 (Burla et al., 2003)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 8.26
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type
;
 Bruker-Nonius X8kappa APEX II CCD area detector
;
_diffrn_measurement_method       'phi and omega scans with narrow frames'
_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  0.0914
_diffrn_reflns_av_sigmaI/netI    0.0879
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            22329
_diffrn_reflns_theta_full        25.25
_diffrn_reflns_theta_max         25.25
_diffrn_reflns_theta_min         1.94
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.513
_exptl_absorpt_correction_T_max  0.9650
_exptl_absorpt_correction_T_min  0.9124
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
program SADABS, Bruker (2001).
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.417
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2488
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.07
_refine_diff_density_max         1.013
_refine_diff_density_min         -1.154
_refine_diff_density_rms         0.104
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.909
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     373
_refine_ls_number_reflns         5081
_refine_ls_number_restraints     117
_refine_ls_restrained_S_all      0.952
_refine_ls_R_factor_all          0.0950
_refine_ls_R_factor_gt           0.0532
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0622P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1121
_refine_ls_wR_factor_ref         0.1228
_reflns_number_gt                3156
_reflns_number_total             5081
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ICA-2015-424-120-128-3.cif
_cod_data_source_block           2b
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 2827 2014-09-09 07:05:25Z andrius 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               1518801