Contribution of Intramolecular NH...O Hydrogen Bonds to Magnesium-Carboxylate Bonds
Taka-aki Okamura; Junko Nakagawa; Inorganic Chemistry 52 (2013) 10812–10824; doi:10.1021/ic400671v

data_4336134
_publ_section_title
;
 Contribution of Intramolecular NH...O Hydrogen Bonds to
 Magnesium-Carboxylate Bonds
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              10812
_journal_page_last               10824
_journal_paper_doi               10.1021/ic400671v
_journal_volume                  52
_journal_year                    2013
_chemical_formula_moiety         'C28 H44 Mg N6 O14'
_chemical_formula_sum            'C28 H44 Mg N6 O14'
_chemical_formula_weight         713.00
_chemical_name_systematic
; 
[Mg(dmf)2(H2O)4][O2C-2,6-(CH3CONH)2C6H3]2 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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_date             2013-06-25
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 100.963(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   14.2851(14)
_cell_length_b                   5.2966(5)
_cell_length_c                   23.179(2)
_cell_measurement_reflns_used    4709
_cell_measurement_temperature    200
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      3.11
_cell_volume                     1721.8(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      200
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.1566
_diffrn_reflns_av_sigmaI/netI    0.1245
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            13036
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.11
_exptl_absorpt_coefficient_mu    0.126
_exptl_absorpt_correction_T_max  0.9937
_exptl_absorpt_correction_T_min  0.9691
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Rigaku, 1995)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.375
_exptl_crystal_description       platelet
_exptl_crystal_F_000             756
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.562
_refine_diff_density_min         -0.314
_refine_diff_density_rms         0.076
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     228
_refine_ls_number_reflns         3030
_refine_ls_number_restraints     25
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.1236
_refine_ls_R_factor_gt           0.0788
_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^)+(0.0944P)^2^+1.1908P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1902
_refine_ls_wR_factor_ref         0.2177
_reflns_number_gt                1922
_reflns_number_total             3030
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ic400671v_si_002_3.cif
_cod_data_source_block           3
_cod_database_code               4336134