Crystal structure of (2S,3S)-3-(aminomethyl)-3-(methylamino)pentane-1,2,5-triol bis(hydrochloride), [C7H20N2O3]Cl2
Wolfgang Frey; Mohammad Ibrahim; Volker Jäger; Zeitschrift für Kristallographie - New Crystal Structures 224 (2009) 585–; doi:

data_8102509
_publ_section_title
;
 Crystal structure of
 (2S,3S)-3-(aminomethyl)-3-(methylamino)pentane-1,2,5-triol
 bis(hydrochloride), [C7H20N2O3]Cl2
;
_journal_issue                   4
_journal_name_full
'Zeitschrift f\"ur Kristallographie - New Crystal Structures'
_journal_page_first              585
_journal_volume                  224
_journal_year                    2009
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C7 H20 N2 O3, 2(Cl)'
_chemical_formula_sum            'C7 H20 Cl2 N2 O3'
_chemical_formula_weight         251.15
_chemical_melting_point          442.0(10)
_chemical_name_systematic
;
(2S,3S)-3-(Aminomethyl)-3-(methylamino)-pentane-1,2,5-triol bis(hydrochloride)
;
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.9366(6)
_cell_length_b                   11.2874(6)
_cell_length_c                   13.7704(11)
_cell_measurement_reflns_used    30
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25
_cell_measurement_theta_min      24
_cell_volume                     1233.60(15)
_computing_cell_refinement       'Siemens P3/PC Data Collection System'
_computing_data_collection       'Siemens P3/PC Data Collection System'
_computing_data_reduction        'SHELXTL-plus, XDISK (Sheldrick, 1991)'
_computing_molecular_graphics    'SHELXTL-plus, XP (Sheldrick, 1991)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.964
_diffrn_measured_fraction_theta_max 0.964
_diffrn_measurement_device_type  'Nicolet P3'
_diffrn_measurement_method       Wyckoff-Scan
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0398
_diffrn_reflns_av_sigmaI/netI    0.0424
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            2388
_diffrn_reflns_theta_full        67.98
_diffrn_reflns_theta_max         67.98
_diffrn_reflns_theta_min         5.07
_diffrn_standards_decay_%        5
_diffrn_standards_interval_count 50
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    4.663
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.228
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   'North et al., 1968'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.352
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plates
_exptl_crystal_F_000             536
_exptl_crystal_size_max          0.7
_exptl_crystal_size_mid          0.45
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.535
_refine_diff_density_min         -0.420
_refine_diff_density_rms         0.080
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.03(3)
_refine_ls_extinction_coef       0.0149(13)
_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   1.059
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     132
_refine_ls_number_reflns         2048
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.0574
_refine_ls_R_factor_gt           0.0525
_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^)+(0.0607P)^2^+1.9459P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1292
_refine_ls_wR_factor_ref         0.1363
_reflns_number_gt                1864
_reflns_number_total             2048
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            1267-2708.cff
_cod_data_source_block           wf1419mm
_cod_depositor_comments
;
The following automatic conversions were performed:
'_exptl_absorpt_correction_type' value 'Psi-Scan' changed to 'psi-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 1555 2011-01-17 13:19:09Z saulius 

The following automatic conversions were performed:

'_chemical_melting_point' value '441-443 K' was changed to
'442.0(10)' - the average value was taken and precision was
estimated.

Automatic conversion script
Id: cif_fix_values 1569 2011-02-09 13:29:24Z adriana 
;
_cod_database_code               8102509