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_4336136
_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 H34 F12 N4 Mg O14'
_chemical_formula_sum            'C28 H34 F12 Mg N4 O14'
_chemical_formula_weight         902.90
_chemical_name_systematic
; 
[Mg(CH3H)6][O2C-2,6-(CF3CONH)2C6H3]2
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             'Wed Jun 29 10:27:13 2005'
_audit_creation_method           SHELXL-97
_cell_angle_alpha                102.82(3)
_cell_angle_beta                 107.57(2)
_cell_angle_gamma                112.72(2)
_cell_formula_units_Z            1
_cell_length_a                   9.781(6)
_cell_length_b                   10.393(7)
_cell_length_c                   10.999(9)
_cell_measurement_reflns_used    5309
_cell_measurement_temperature    200
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.1
_cell_volume                     907.5(12)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      200
_diffrn_detector_area_resol_mean 10.00
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID Imaging Plate'
_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  0.0522
_diffrn_reflns_av_sigmaI/netI    0.0692
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            9045
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         3.09
_exptl_absorpt_coefficient_mu    0.183
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.652
_exptl_crystal_description       block
_exptl_crystal_F_000             462
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.150
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.293
_refine_diff_density_min         -0.431
_refine_diff_density_rms         0.068
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.066
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     286
_refine_ls_number_reflns         4124
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.066
_refine_ls_R_factor_all          0.0950
_refine_ls_R_factor_gt           0.0545
_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^)+(0.0639P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1215
_refine_ls_wR_factor_ref         0.1430
_reflns_number_gt                2540
_reflns_number_total             4124
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ic400671v_si_002_5.cif
_cod_data_source_block           5
_cod_original_cell_volume        907.5(11)
_cod_database_code               4336136