Anion assisted supramolecular self-assemblies of succinate and malate adducts: Crystal structure and Theoretical modelling
RUBALINGAM, PADMAVATHY; N, Karthikeyan; Duraisamy, Sathya; R, Jagan; R., Mohan Kumar; Kandasamy, Sivakumar; RSC Adv.  (2016) –; doi:10.1039/C6RA15683E

data_7225855
_publ_section_title
;
 Anion assisted supramolecular self-assemblies of succinate and malate
 adducts: Crystal structure and Theoretical modelling
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C6RA15683E
_journal_year                    2016
_chemical_formula_sum            'C12 H17 N O6'
_chemical_formula_weight         271.27
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_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_method           SHELXL-97
_audit_update_record
;
2016-06-14 deposited with the CCDC.
2016-07-06 downloaded from the CCDC.
;
_cell_angle_alpha                81.600(2)
_cell_angle_beta                 81.012(2)
_cell_angle_gamma                70.7390(10)
_cell_formula_units_Z            2
_cell_length_a                   5.9736(3)
_cell_length_b                   7.5564(4)
_cell_length_c                   16.1174(7)
_cell_measurement_temperature    293(2)
_cell_volume                     674.87(6)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0226
_diffrn_reflns_av_sigmaI/netI    0.0177
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            14420
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.57
_exptl_absorpt_coefficient_mu    0.108
_exptl_crystal_density_diffrn    1.335
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             288
_refine_diff_density_max         0.182
_refine_diff_density_min         -0.144
_refine_diff_density_rms         0.027
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.070
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     340
_refine_ls_number_reflns         3087
_refine_ls_number_restraints     265
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0450
_refine_ls_R_factor_gt           0.0351
_refine_ls_shift/su_max          0.010
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0410P)^2^+0.1126P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0911
_refine_ls_wR_factor_ref         0.0964
_reflns_number_gt                2540
_reflns_number_total             3087
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6ra15683e2.cif
_cod_data_source_block           shelxl
_cod_database_code               7225855