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_4336137
_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         'C34 H60 N4 Mg O15 '
_chemical_formula_sum            'C34 H60 Mg N4 O15'
_chemical_formula_weight         789.17
_chemical_name_systematic
; 
[Mg(H2O)6][O2C-2,6-(t-BuCONH)2C6H3]2-H2O
;
_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             'Thu Apr 14 20:18:05 2005'
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 126.454(12)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.241(3)
_cell_length_b                   15.512(4)
_cell_length_c                   27.609(7)
_cell_measurement_reflns_used    12305
_cell_measurement_temperature    200
_cell_measurement_theta_max      27.46
_cell_measurement_theta_min      3.06
_cell_volume                     4217(2)
_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 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0532
_diffrn_reflns_av_sigmaI/netI    0.0465
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            39124
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.02
_exptl_absorpt_coefficient_mu    0.110
_exptl_absorpt_correction_T_max  0.968
_exptl_absorpt_correction_T_min  0.949
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(Higashi, 1995)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.243
_exptl_crystal_description       block
_exptl_crystal_F_000             1696
_exptl_crystal_size_max          0.500
_exptl_crystal_size_mid          0.400
_exptl_crystal_size_min          0.300
_refine_diff_density_max         0.324
_refine_diff_density_min         -0.268
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     569
_refine_ls_number_reflns         9653
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0652
_refine_ls_R_factor_gt           0.0465
_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^)+(0.0567P)^2^+0.8381P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1097
_refine_ls_wR_factor_ref         0.1201
_reflns_number_gt                7291
_reflns_number_total             9653
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ic400671v_si_002_6.cif
_cod_data_source_block           6-H2O
_cod_original_cell_volume        4216.5(18)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4336137