Triggering N(2) uptake via redox-induced expulsion of coordinated NH(3) and N(2) silylation at trigonal bipyramidal iron.
Lee, Yunho; Mankad, Neal P.; Peters, Jonas C.; Nature chemistry 2 (2010) 558–565; doi:10.1038/nchem.660

data_1508049
_publ_section_title
;
 Triggering N(2) uptake via redox-induced expulsion of coordinated NH(3)
 and N(2) silylation at trigonal bipyramidal iron.
;
_journal_issue                   7
_journal_name_full               'Nature chemistry'
_journal_page_first              558
_journal_page_last               565
_journal_paper_doi               10.1038/nchem.660
_journal_volume                  2
_journal_year                    2010
_chemical_formula_sum            'C48 H78 Fe N2 Na O3 P3 Si'
_chemical_formula_weight         930.62
_chemical_name_common            5
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           146
_symmetry_cell_setting           rhombohedral
_symmetry_space_group_name_Hall  'R 3'
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_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
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_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            3
_cell_length_a                   17.9312(3)
_cell_length_b                   17.9312(3)
_cell_length_c                   13.1252(4)
_cell_measurement_reflns_used    9889
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      68.32
_cell_measurement_theta_min      4.41
_cell_volume                     3654.73(14)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
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_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            13327
_diffrn_reflns_theta_full        68.94
_diffrn_reflns_theta_max         68.94
_diffrn_reflns_theta_min         4.41
_exptl_absorpt_coefficient_mu    4.053
_exptl_absorpt_correction_T_max  0.667
_exptl_absorpt_correction_T_min  0.586
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.269
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1860
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.308
_refine_diff_density_min         -0.204
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_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.021(3)
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_refine_ls_matrix_type           full
_refine_ls_number_parameters     182
_refine_ls_number_reflns         2577
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0245
_refine_ls_R_factor_gt           0.0240
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0309P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0598
_refine_ls_wR_factor_ref         0.0600
_reflns_number_gt                2523
_reflns_number_total             2577
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            nchem.660-s6.cif
_cod_data_source_block           d8-09022final
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Rhombohedral' changed to
'rhombohedral' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      R3
_cod_database_code               1508049