Tetraethylammonium <small>L</small>-tartarate dihydrate
Rahman, Mohd Basyaruddin Abdul; Jumbri, Khairulazhar; Sirat, Kamaliah; Kia, Reza; Fun, Hoong-Kun; Acta Crystallographica Section E 64 (2008) o2343–; doi:10.1107/S1600536808036969

data_2220114
_publ_section_title
;
 Tetraethylammonium <small>L</small>-tartarate dihydrate
;
_journal_coeditor_code           CI2709
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2343
_journal_paper_doi               10.1107/S1600536808036969
_journal_volume                  64
_journal_year                    2008
_chemical_formula_iupac          'C8 H20 N +, C4 H5 O6 -, 2H2 O'
_chemical_formula_moiety         'C8 H20 N +, C4 H5 O6 -, 2(H2 O)'
_chemical_formula_sum            'C12 H29 N O8'
_chemical_formula_weight         315.36
_chemical_name_systematic
;
Tetraethylammonium L-tartarate dihydrate
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_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                 106.5530(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.40740(10)
_cell_length_b                   13.8989(2)
_cell_length_c                   8.05460(10)
_cell_measurement_reflns_used    4555
_cell_measurement_temperature    100.00(10)
_cell_measurement_theta_max      33.49
_cell_measurement_theta_min      2.64
_cell_volume                     794.892(19)
_computing_cell_refinement       'SAINT (Bruker, 2005)'
_computing_data_collection       'APEX2 (Bruker, 2005)'
_computing_data_reduction        'SAINT (Bruker, 2005)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material
'SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      100.00(10)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type
;
Bruker SMART APEXII CCD area-detector
;
_diffrn_measurement_method       '\f and \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  0.0307
_diffrn_reflns_av_sigmaI/netI    0.0365
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            10518
_diffrn_reflns_theta_full        35.00
_diffrn_reflns_theta_max         35.00
_diffrn_reflns_theta_min         2.64
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.110
_exptl_absorpt_correction_T_max  0.9811
_exptl_absorpt_correction_T_min  0.8614
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2005)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.318
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             344
_exptl_crystal_size_max          0.47
_exptl_crystal_size_mid          0.45
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.292
_refine_diff_density_min         -0.231
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     218
_refine_ls_number_reflns         3579
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0426
_refine_ls_R_factor_gt           0.0371
_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^)+(0.0494P)^2^+0.0426P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0886
_refine_ls_wR_factor_ref         0.0922
_reflns_number_gt                3240
_reflns_number_total             3579
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ci2709.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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_cell_volume        794.891(19)
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               2220114
_cod_database_fobs_code          2220114