Salts of maleic and fumaric acids with organic polyamines: comparison of isomeric acids as building blocks in supramolecular chemistry
Bowes, Katharine F.; Ferguson, George; Lough, Alan J.; Glidewell, Christopher; Acta Crystallographica Section B 59 (2003) 100–117; doi:10.1107/S0108768102020219

data_2103835
_publ_section_title
;
 Salts of maleic and fumaric acids with organic polyamines: comparison
 of isomeric acids as building blocks in supramolecular chemistry
;
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              100
_journal_page_last               117
_journal_paper_doi               10.1107/S0108768102020219
_journal_volume                  59
_journal_year                    2003
_chemical_formula_moiety         'C6 H14 N2, 2(C4 H3 O4)'
_chemical_formula_sum            'C14 H20 N2 O8'
_chemical_formula_weight         344.32
_chemical_name_systematic
;
1,4-Diazabicyclo[2.2.2]octane--fumaric acid (1/2)
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 115.070(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.1118(9)
_cell_length_b                   6.4737(4)
_cell_length_c                   12.5409(7)
_cell_measurement_reflns_used    3025
_cell_measurement_temperature    150.0(10)
_cell_measurement_theta_max      27.51
_cell_measurement_theta_min      3.33
_cell_volume                     1478.97(14)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'Kappa-CCD server software (Nonius, 1997)'
_computing_data_reduction        'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'PLATON (Spek, 2002)'
_computing_publication_material
'SHELXL-97 (Sheldrick, 1997a) and PRPKAPPA (Ferguson, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997a)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997b)'
_diffrn_ambient_temperature      150.0(10)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  Kappa-CCD
_diffrn_measurement_method       '\f scans, and \w scans with \k offsets'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed X-ray tube'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.10
_diffrn_reflns_av_sigmaI/netI    0.0807
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            5858
_diffrn_reflns_theta_full        27.51
_diffrn_reflns_theta_max         27.51
_diffrn_reflns_theta_min         3.33
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.128
_exptl_absorpt_correction_T_max  0.995
_exptl_absorpt_correction_T_min  0.956
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'DENZO-SMN (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.546
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             728
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.304
_refine_diff_density_min         -0.409
_refine_ls_extinction_coef       0.006(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     119
_refine_ls_number_reflns         1691
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0833
_refine_ls_R_factor_gt           0.0553
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0784P)^2^+0.3794P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1360
_refine_ls_wR_factor_ref         0.1556
_reflns_number_gt                1182
_reflns_number_total             1691
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            na0143.cif
_cod_data_source_block           IV
_cod_depositor_comments
;
The following automatic conversions were performed:
'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               2103835
_cod_database_fobs_code          2103835