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_7225853
_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_moiety         'C4 H6 O4, C4 H4 O4, 2(C7 H10 N)'
_chemical_formula_sum            'C22 H30 N2 O8'
_chemical_formula_weight         450.48
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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_method           SHELXL-97
_audit_update_record
;
2016-01-25 deposited with the CCDC.
2016-07-06 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 92.617(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.3856(4)
_cell_length_b                   11.0691(6)
_cell_length_c                   21.5537(10)
_cell_measurement_reflns_used    5865
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.43
_cell_measurement_theta_min      2.82
_cell_volume                     2236.88(19)
_computing_cell_refinement       'APEX2/SAINT (Bruker, 2004)'
_computing_data_collection       'APEX2 (Bruker, 2004)'
_computing_data_reduction        'SAINT/XPREP (Bruker, 2004)'
_computing_molecular_graphics
'ORTEP3 (Farrugia, 1997) and Mercury (Macrae et al., 2008)'
_computing_publication_material  'PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR92 (Altomare et al., 1993)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker AXS Kappa apex2 CCD Diffractometer'
_diffrn_measurement_method       '\w and \f scan'
_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  0.0297
_diffrn_reflns_av_sigmaI/netI    0.0223
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            20104
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         2.07
_exptl_absorpt_coefficient_mu    0.102
_exptl_absorpt_correction_T_max  0.9799
_exptl_absorpt_correction_T_min  0.9100
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2004)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.338
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             960
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.284
_refine_diff_density_min         -0.260
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.094
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     291
_refine_ls_number_reflns         4164
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.094
_refine_ls_R_factor_all          0.0625
_refine_ls_R_factor_gt           0.0499
_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^)+(0.0741P)^2^+1.0521P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1401
_refine_ls_wR_factor_ref         0.1485
_reflns_number_gt                3384
_reflns_number_total             4164
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6ra15683e2.cif
_cod_data_source_block           shelxl
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7225853