Fine-tuning the energy barrier for metal-mediated dinitrogen n≡n bond cleavage.
Keane, Andrew J.; Yonke, Brendan L.; Hirotsu, Masakazu; Zavalij, Peter Y.; Sita, Lawrence R.; Journal of the American Chemical Society 136 (2014) 9906–9909; doi:10.1021/ja505309j

data_4122177
_publ_section_title
;
 Fine-tuning the energy barrier for metal-mediated dinitrogen n\\tb n bond
 cleavage.
;
_journal_issue                   28
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              9906
_journal_page_last               9909
_journal_paper_doi               10.1021/ja505309j
_journal_volume                  136
_journal_year                    2014
_chemical_formula_moiety         'C36 H64 N6 V2'
_chemical_formula_sum            'C36 H64 N6 V2'
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_chemical_name_common            cmpd5
_chemical_name_systematic
;
cmpd5
;
_space_group_crystal_system      monoclinic
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_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           'SHELXL-2012 & ZCIF'
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_cell_angle_beta                 101.5360(10)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   12.5699(5)
_cell_length_b                   10.2174(4)
_cell_length_c                   15.4022(7)
_cell_measurement_reflns_used    8899
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      30.5
_cell_measurement_theta_min      2.4
_cell_volume                     1938.17(14)
_computing_cell_refinement       Apex2
_computing_data_collection       'Apex2 (Bruker, 2010)'
_computing_data_reduction        'Apex2, Saint'
_computing_molecular_graphics    'XSHEL (Bruker, 2004)'
_computing_publication_material  'Apex2, SHELXL-2012'
_computing_structure_refinement  'ShelXL-2012 (Sheldrick, 2012)'
_computing_structure_solution    'ShelXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector                 'CCD area detector'
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_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker Smart Apex II diffractometer'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_measurement_specimen_support 'MiTeGen loop'
_diffrn_orient_matrix_type       standard
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_diffrn_orient_matrix_UB_12      -0.0706165
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_diffrn_orient_matrix_UB_21      -0.0799062
_diffrn_orient_matrix_UB_22      -0.0144801
_diffrn_orient_matrix_UB_23      -0.0066842
_diffrn_orient_matrix_UB_31      -0.0140497
_diffrn_orient_matrix_UB_32      0.0662009
_diffrn_orient_matrix_UB_33      -0.0487599
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0188
_diffrn_reflns_av_unetI/netI     0.0201
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.989
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
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_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            18413
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.989
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         29.999
_diffrn_reflns_theta_min         2.407
_diffrn_source                   'sealed tube'
_exptl_absorpt_coefficient_mu    0.513
_exptl_absorpt_correction_T_max  0.902
_exptl_absorpt_correction_T_min  0.837
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008)'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.170
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             736
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.587
_refine_diff_density_min         -0.340
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.000
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     209
_refine_ls_number_reflns         5579
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.000
_refine_ls_R_factor_all          0.0437
_refine_ls_R_factor_gt           0.0369
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 w=1/[\s^2^(Fo^2^)+(0.0150P)^2^+1.9400P]
 where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0784
_refine_ls_wR_factor_ref         0.0820
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4836
_reflns_number_total             5579
_reflns_threshold_expression     'I > 2\s(I)'
_iucr_refine_instructions_details 'See _shelx_res_file'
_cod_data_source_file            ja505309j_si_002.cif
_cod_data_source_block           cmpd5
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 4122168--4122182.cif.
;
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               4122177
_shelx_estimated_absorpt_t_min   0.887
_shelx_estimated_absorpt_t_max   0.904