Bifunctional Single Amino Acid Chelates for Labeling of Biomolecules with the {Tc(CO)3}+ and {Re(CO)3}+ Cores. Crystal and Molecular Structures of [ReBr(CO)3(H2NCH2C5H4N)], [Re(CO)3{(C5H4NCH2)2NH}]Br, [Re(CO)3{(C5H4NCH2)2NCH2CO2H}]Br, [Re(CO)3{X(Y)NCH2CO2CH2CH3}]Br (X = Y = 2-pyridylmethyl; X = 2-pyridylmethyl, Y = 2-(1-methylimidazolyl)methyl; X = Y = 2-(1-methylimidazolyl)methyl), [ReBr(CO)3{(C5H4NCH2)NH(CH2C4H3S)}], and [Re(CO)3{(C5H4NCH2)N(CH2C4H3S)(CH2CO2)}]
Sangeeta Ray Banerjee; Murali K. Levadala; Neva Lazarova; Lihui Wei; John F. Valliant; Karin A. Stephenson; John W. Babich; Kevin P. Maresca; Jon Zubieta; Inorganic Chemistry 41 (2002) 6417–6425; doi:10.1021/ic020476e

data_4318925
_publ_section_title
;
 Bifunctional Single Amino Acid Chelates for Labeling of Biomolecules with
 the {Tc(CO)3}+ and {Re(CO)3}+ Cores. Crystal and Molecular Structures of
 [ReBr(CO)3(H2NCH2C5H4N)], [Re(CO)3{(C5H4NCH2)2NH}]Br,
 [Re(CO)3{(C5H4NCH2)2NCH2CO2H}]Br, [Re(CO)3{X(Y)NCH2CO2CH2CH3}]Br (X = Y =
 2-pyridylmethyl; X = 2-pyridylmethyl, Y = 2-(1-methylimidazolyl)methyl; X
 = Y = 2-(1-methylimidazolyl)methyl), [ReBr(CO)3{(C5H4NCH2)NH(CH2C4H3S)}],
 and [Re(CO)3{(C5H4NCH2)N(CH2C4H3S)(CH2CO2)}]
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              6417
_journal_page_last               6425
_journal_paper_doi               10.1021/ic020476e
_journal_volume                  41
_journal_year                    2002
_chemical_formula_sum            'C18 H19 Br N3 O6 Re'
_chemical_formula_weight         639.47
_chemical_name_systematic
;
  ?
;
_space_group_IT_number           11
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yb'
_symmetry_space_group_name_H-M   'P 1 21/m 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                 97.753(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.4425(3)
_cell_length_b                   9.7596(4)
_cell_length_c                   14.0646(6)
_cell_measurement_temperature    293(2)
_cell_volume                     1012.26(7)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      90(2)
_diffrn_measured_fraction_theta_full 0.954
_diffrn_measured_fraction_theta_max 0.954
_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  0.0384
_diffrn_reflns_av_sigmaI/netI    0.0392
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            13283
_diffrn_reflns_theta_full        32.92
_diffrn_reflns_theta_max         32.92
_diffrn_reflns_theta_min         1.46
_exptl_absorpt_coefficient_mu    8.016
_exptl_absorpt_correction_type   SADABS
_exptl_crystal_colour            Red
_exptl_crystal_density_diffrn    2.098
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             612
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.19
_refine_diff_density_max         2.353
_refine_diff_density_min         -1.502
_refine_diff_density_rms         0.239
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.110
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     198
_refine_ls_number_reflns         3809
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.110
_refine_ls_R_factor_all          0.0378
_refine_ls_R_factor_gt           0.0319
_refine_ls_shift/su_max          0.023
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0416P)^2^+3.2369P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0805
_refine_ls_wR_factor_ref         0.0856
_reflns_number_gt                3446
_reflns_number_total             3809
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic020476e_3.cif
_cod_data_source_block           p21(compound3).
_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 1646 2011-03-28 12:23:43Z adriana 
;
_cod_database_code               4318925