Structural characterization of manganese and iron complexes with methylated derivatives of bis(2-pyridylmethyl)-1,2-ethanediamine reveals unanticipated conformational flexibility.
Coates, Cristina M.; Hagan, Kenton; Mitchell, Casey A.; Gorden, John D.; Goldsmith, Christian R.; Dalton transactions (Cambridge, England : 2003) 40 (2011) 4048–4058; doi:10.1039/c0dt01556c

data_7015390
_publ_section_title
;
 Structural characterization of manganese and iron complexes with
 methylated derivatives of bis(2-pyridylmethyl)-1,2-ethanediamine
 reveals unanticipated conformational flexibility.
;
_journal_issue                   16
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4048
_journal_page_last               4058
_journal_paper_doi               10.1039/c0dt01556c
_journal_volume                  40
_journal_year                    2011
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C18 H26 Cl2 Fe1 N4'
_chemical_formula_sum            'C18 H26 Cl2 Fe N4'
_chemical_formula_weight         425.18
_chemical_name_systematic
;
?
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      61
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.3
_audit_creation_date             2010-03-17T21:44:16-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   13.6928(7)
_cell_length_b                   16.2440(8)
_cell_length_c                   18.0040(9)
_cell_measurement_reflns_used    4978
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      28.31
_cell_measurement_theta_min      2.25
_cell_measurement_wavelength     0.71073
_cell_volume                     4004.6(3)
_computing_cell_refinement       'SMART, SAINT (Bruker, 1999)'
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        'SAINT (Bruker, 1999)'
_computing_molecular_graphics    'ATOMS v6.1 (Shape Software, 2004)'
_computing_publication_material  'SHELXCIF-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      193(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0412
_diffrn_reflns_av_unetI/netI     0.025
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            38744
_diffrn_reflns_theta_full        28.31
_diffrn_reflns_theta_max         28.31
_diffrn_reflns_theta_min         2.25
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.028
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.41
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1776
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.549
_refine_diff_density_min         -0.481
_refine_diff_density_rms         0.078
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.067
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     226
_refine_ls_number_reflns         4978
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.067
_refine_ls_R_factor_all          0.0514
_refine_ls_R_factor_gt           0.0448
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0625P)^2^+2.5089P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1136
_refine_ls_wR_factor_ref         0.118
_reflns_number_gt                4335
_reflns_number_total             4978
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt01556c.txt
_cod_data_source_block           sad2
_cod_database_code               7015390