(1<i>R</i>,3<i>S</i>)-Camphoric acid as a building block in supramolecular chemistry: adducts with organic polyamines
Zakaria, Choudhury M.; Ferguson, George; Lough, Alan J.; Glidewell, Christopher; Acta Crystallographica Section B 59 (2003) 118–131; doi:10.1107/S0108768102022358

data_2103849
_publ_section_title
;
 (1<i>R</i>,3<i>S</i>)-Camphoric acid as a building block in
 supramolecular chemistry: adducts with organic polyamines
;
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              118
_journal_page_last               131
_journal_paper_doi               10.1107/S0108768102022358
_journal_volume                  59
_journal_year                    2003
_chemical_formula_moiety         'C10 H16 O4, 2(C10 H15 O4), (C6 H16 N2), 2H2 O'
_chemical_formula_sum            'C36 H66 N2 O14'
_chemical_formula_weight         750.91
_chemical_name_systematic
;
(1R,3S)-Camphoric acid--N,N'-dimethylpiperazine--water (3/1/2)
;
_space_group_IT_number           18
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2 2ab'
_symmetry_space_group_name_H-M   'P 21 21 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   13.5730(4)
_cell_length_b                   22.0500(8)
_cell_length_c                   6.8417(2)
_cell_measurement_reflns_used    2095
_cell_measurement_temperature    150.0(10)
_cell_measurement_theta_max      25.02
_cell_measurement_theta_min      3.00
_cell_volume                     2047.62(11)
_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 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.061
_diffrn_reflns_av_sigmaI/netI    0.0505
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            10832
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         3.00
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.093
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.218
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             816
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.165
_refine_diff_density_min         -0.163
_refine_ls_extinction_coef       0.016(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   1.020
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     279
_refine_ls_number_reflns         2095
_refine_ls_number_restraints     17
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.0584
_refine_ls_R_factor_gt           0.0394
_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^)+(0.0563P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_reflns_threshold_expression     >2\s(I)
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_cod_data_source_block           VII
_cod_database_code               2103849
_cod_database_fobs_code          2103849