<i>N,N,N</i>',<i>N</i>'-Tetramethylstreptamine 2,4,6-orthoformate
Beckmann, Claus; Jones, Peter G.; Kirby, Anthony J.; Acta Crystallographica Section E 59 (2003) o564–o565; doi:10.1107/S1600536803006275

data_2201813
_publ_section_title
;
 <i>N,N,N</i>',<i>N</i>'-Tetramethylstreptamine 2,4,6-orthoformate
;
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o564
_journal_page_last               o565
_journal_paper_doi               10.1107/S1600536803006275
_journal_volume                  59
_journal_year                    2003
_chemical_formula_iupac          'C11 H20 N2 O4'
_chemical_formula_moiety         'C11 H20 N2 O4'
_chemical_formula_sum            'C11 H20 N2 O4'
_chemical_formula_weight         244.29
_chemical_name_systematic
;
rac-(1s,3s,5R,6r,7S,8R,9S)-8,9-bis(dimethylamino)-
2,4,10-trioxatricyclo[3.3.1.1^3,7^]decan-6-ol
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                100.386(10)
_cell_angle_beta                 104.367(8)
_cell_angle_gamma                105.528(6)
_cell_formula_units_Z            2
_cell_length_a                   6.9344(8)
_cell_length_b                   7.5439(10)
_cell_length_c                   12.1650(16)
_cell_measurement_reflns_used    62
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      12.5
_cell_measurement_theta_min      3.5
_cell_volume                     572.85(13)
_computing_cell_refinement       XSCANS
_computing_data_collection       'XSCANS (Fait, 1991)'
_computing_data_reduction        XSCANS
_computing_molecular_graphics    'XP (Siemens, 1994)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Siemens P4'
_diffrn_measurement_method       \w
_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  0.0155
_diffrn_reflns_av_sigmaI/netI    0.0263
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            2719
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         3.15
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 297
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.108
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.416
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       lath
_exptl_crystal_F_000             264
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.309
_refine_diff_density_min         -0.191
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     162
_refine_ls_number_reflns         2598
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0514
_refine_ls_R_factor_gt           0.0363
_refine_ls_shift/su_max          <0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.0587P)^2^+0.0004P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0962
_refine_ls_wR_factor_ref         0.1011
_reflns_number_gt                1931
_reflns_number_total             2598
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bt6253.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_geom_angle_publ_flag' value 'Y' changed to 'y' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (6 times).

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_database_code               2201813
_cod_database_fobs_code          2201813