One-step synthesis of Mo(0) and W(0) bis(dinitrogen) complexes with the linear tetraphosphine ligand prP4: stereoselective formation of cis-[M(N2)2(rac-prP4)] and trans-[M(N2)2(meso-prP4)]; M = Mo, W.
Römer, René; Gradert, Christian; Bannwarth, Alexander; Peters, Gerhard; Näther, Christian; Tuczek, Felix; Dalton transactions (Cambridge, England : 2003) 40 (2011) 3229–3236; doi:10.1039/c0dt01646b

data_7015473
_publ_section_title
;
 One-step synthesis of Mo(0) and W(0) bis(dinitrogen) complexes with
 the linear tetraphosphine ligand prP4: stereoselective formation of
 cis-[M(N2)2(rac-prP4)] and trans-[M(N2)2(meso-prP4)]; M = Mo, W.
;
_journal_issue                   13
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3229
_journal_page_last               3236
_journal_paper_doi               10.1039/c0dt01646b
_journal_volume                  40
_journal_year                    2011
_chemical_formula_sum            'C15 H20 N2 O3'
_chemical_formula_weight         276.33
_chemical_name_common            Hdapp
_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                85.485(6)
_cell_angle_beta                 78.375(6)
_cell_angle_gamma                69.760(5)
_cell_formula_units_Z            2
_cell_length_a                   7.5438(8)
_cell_length_b                   9.0878(9)
_cell_length_c                   11.3719(12)
_cell_measurement_reflns_used    3617
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.87
_cell_measurement_theta_min      2.39
_cell_volume                     716.44(13)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker X8 APEX II'
_diffrn_measurement_method       'area deteector'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0323
_diffrn_reflns_av_sigmaI/netI    0.0316
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            14821
_diffrn_reflns_theta_full        28.13
_diffrn_reflns_theta_max         28.13
_diffrn_reflns_theta_min         1.83
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  0.996
_exptl_absorpt_correction_T_min  0.894
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker Nonius, 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.281
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             296
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.50
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.246
_refine_diff_density_min         -0.213
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.067
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     193
_refine_ls_number_reflns         3490
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.067
_refine_ls_R_factor_all          0.0676
_refine_ls_R_factor_gt           0.0459
_refine_ls_shift/su_max          0.022
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0601P)^2^+0.1306P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1173
_refine_ls_wR_factor_ref         0.1281
_reflns_number_gt                2533
_reflns_number_total             3490
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt01646b.txt
_cod_data_source_block           co335
_cod_database_code               7015473