Tricarbonyltechnetium(I) and tricarbonylrhenium(I) complexes of amino acids: crystal and molecular structure of a novel cyclic dimeric Re(CO)3-amino acid complex comprised of the OON donor atom set of the tridentate ligand.
Nayak, Dipak Kumar; Halder, Kamal Krishna; Baishya, Rinku; Sen, Tuhinadri; Mitra, Partha; Debnath, Mita Chatterjee; Dalton transactions (Cambridge, England : 2003) 42 (2013) 13565–13575; doi:10.1039/c3dt50928a

data_7023171
_publ_section_title
;
 Tricarbonyltechnetium(I) and tricarbonylrhenium(I) complexes of amino
 acids: crystal and molecular structure of a novel cyclic dimeric
 Re(CO)3-amino acid complex comprised of the OON donor atom set of the
 tridentate ligand.
;
_journal_issue                   37
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              13565
_journal_page_last               13575
_journal_paper_doi               10.1039/c3dt50928a
_journal_volume                  42
_journal_year                    2013
_chemical_formula_sum            'C26 H46 N4 O16 Re2'
_chemical_formula_weight         1043.07
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 99.116(12)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.023(4)
_cell_length_b                   13.883(7)
_cell_length_c                   18.903(10)
_cell_measurement_reflns_used    1230
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.0
_cell_measurement_theta_min      1.5
_cell_volume                     1819.8(17)
_computing_cell_refinement       'APEX2(Bruker,2007)and SAINT (Bruker,2007)'
_computing_data_collection       'APEX2 (Bruker, 2007)'
_computing_data_reduction        'SAINT(Bruker,2007)and XPREP(Bruker,2007)'
_computing_molecular_graphics
;    
ORTEP-3 for Windows (Farrugia, 1997), DIAMOND (Brandenburg,
1999) and Mercury (Macrae <i>et al.</i>, 2006)
;
_computing_publication_material  'PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD area-detector'
_diffrn_measurement_method       '\w and \f'
_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  0.0662
_diffrn_reflns_av_sigmaI/netI    0.0448
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            16488
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.83
_exptl_absorpt_coefficient_mu    6.718
_exptl_absorpt_correction_T_max  0.62
_exptl_absorpt_correction_T_min  0.39
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.904
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1016
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.07
_refine_diff_density_max         1.281
_refine_diff_density_min         -0.809
_refine_diff_density_rms         0.194
_refine_ls_extinction_coef       0.0035(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.104
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     221
_refine_ls_number_reflns         3211
_refine_ls_number_restraints     188
_refine_ls_restrained_S_all      1.106
_refine_ls_R_factor_all          0.0424
_refine_ls_R_factor_gt           0.0347
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0532P)^2^+0.3326P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0920
_refine_ls_wR_factor_ref         0.0969
_reflns_number_gt                2686
_reflns_number_total             3211
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3dt50928a.txt
_cod_data_source_block           dipakiicbre_rerevised
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        1819.8(16)
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7023171