[FeIII(tmdta)]–twist-boat/half-chair conformer ratio reliably deduced from DFT-calculated Raman spectra.
Meier, Roland; Maigut, Joachim; Kallies, Bernd; Lehnert, Nicolai; Paulat, Florian; Heinemann, Frank W; Zahn, Gernot; Feth, Martin P; Krautscheid, Harald; van Eldik, Rudi; Chemical communications (Cambridge, England)  (2007) 3960–3962; doi:10.1039/b708437d

data_7102162
_publ_section_title
;
 [FeIII(tmdta)]--twist-boat/half-chair conformer ratio reliably deduced
 from DFT-calculated Raman spectra.
;
_journal_issue                   38
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              3960
_journal_page_last               3962
_journal_paper_doi               10.1039/b708437d
_journal_year                    2007
_chemical_formula_sum            'C11 H14 Fe K N2 O8'
_chemical_formula_weight         397.19
_space_group_IT_number           14
_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-97
_cell_angle_alpha                90.00
_cell_angle_beta                 97.577(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.7684(7)
_cell_length_b                   12.4703(7)
_cell_length_c                   12.8511(10)
_cell_measurement_temperature    100(2)
_cell_volume                     1392.93(17)
_computing_cell_refinement       'Stoe, X-AREA '
_computing_data_collection       'Stoe, X-AREA'
_computing_data_reduction        'Stoe, X-AREA'
_computing_molecular_graphics    'Diamond 3, Crystal Impact'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Stoe IPDS-2T'
_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  0.0368
_diffrn_reflns_av_sigmaI/netI    0.0254
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            12562
_diffrn_reflns_theta_full        29.00
_diffrn_reflns_theta_max         29.00
_diffrn_reflns_theta_min         5.32
_exptl_absorpt_coefficient_mu    1.428
_exptl_absorpt_correction_T_max  0.7440
_exptl_absorpt_correction_T_min  0.6500
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'optimized faces with STOE X-SHAPE'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.894
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             812
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.418
_refine_diff_density_min         -0.333
_refine_diff_density_rms         0.060
_refine_ls_extinction_coef       0.0061(9)
_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   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     209
_refine_ls_number_reflns         3661
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0238
_refine_ls_R_factor_gt           0.0215
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0267P)^2^+0.6494P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0574
_refine_ls_wR_factor_ref         0.0584
_reflns_number_gt                3395
_reflns_number_total             3661
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b708437d.txt
_cod_data_source_block           KFe(tmdta)_CCDC649047
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7102162