When in the presence of the strong hydrogen bonds, the weak hydrogen bonds gain an importance
Białońska, Agata; Ciunik, Zbigniew; CrystEngComm 8 (2006) 66–; doi:10.1039/b515365d

data_7203164
_publ_section_title
;
 When in the presence of the strong hydrogen bonds, the weak hydrogen
 bonds gain an importance
;
_journal_issue                   1
_journal_name_full               CrystEngComm
_journal_page_first              66
_journal_paper_doi               10.1039/b515365d
_journal_volume                  8
_journal_year                    2006
_chemical_absolute_configuration rm
_chemical_formula_moiety         'C23 H27 N2 O4, C11 H10 N O5, 4(H2 O)'
_chemical_formula_sum            'C34 H45 N3 O13'
_chemical_formula_weight         703.73
_chemical_name_systematic
;
brucinium hydrogen N-benzoyl-D-aspartate tetrahydrate
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
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_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
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_cell_length_a                   8.2334(14)
_cell_length_b                   12.283(2)
_cell_length_c                   33.625(5)
_cell_measurement_reflns_used    2364
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.06
_cell_measurement_theta_min      3.32
_cell_volume                     3400.5(9)
_computing_cell_refinement
'CrysAlis RED (Oxford Diffraction, Poland Sp. z o.o)'
_computing_data_collection
'CrysAlis CCD (Oxford Diffraction, Poland Sp. z o.o)'
_computing_data_reduction
'CrysAlis RED (Oxford Diffraction, Poland Sp. z o.o)'
_computing_molecular_graphics    'SHELXTL-NT V5.1, Bruker AXS 1999'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.977
_diffrn_measured_fraction_theta_max 0.977
_diffrn_measurement_device_type  'Kuma KM4CCD'
_diffrn_measurement_method       '\w scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
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_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -10
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_diffrn_reflns_limit_l_max       43
_diffrn_reflns_limit_l_min       -43
_diffrn_reflns_number            22753
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         3.32
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.106
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.375
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1496
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.25
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_refine_ls_abs_structure_details 'from known structure (Toda et al., 1985)'
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     451
_refine_ls_number_reflns         4313
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.1192
_refine_ls_R_factor_gt           0.0776
_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^)+(0.0926P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1642
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_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b515365d.txt
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_cod_original_cell_volume        3400.6(9)
_cod_database_code               7203164