Chiral, Racemic, andMeso-Lithium Tartrate Framework Polymorphs: A Detailed Structural Analysis
H.-M. Yeung, Hamish; Kosa, Monica; Parrinello, Michele; Cheetham, Anthony K.; Crystal Growth & Design 13 (2013) 3705–; doi:10.1021/cg400741b

data_4508051
_publ_section_title
;
 Chiral, Racemic, andMeso-Lithium Tartrate Framework Polymorphs: A
 Detailed Structural Analysis
;
_journal_issue                   8
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              3705
_journal_paper_doi               10.1021/cg400741b
_journal_volume                  13
_journal_year                    2013
_chemical_formula_moiety         'C4 H4 Li2 O6'
_chemical_formula_sum            'C4 H4 Li2 O6'
_chemical_formula_weight         161.95
_chemical_name_common            'Lithium tartrate'
_chemical_name_systematic
;
 Dilithium D,L-tartrate        
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 91.241(11)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.0809(15)
_cell_length_b                   4.9703(6)
_cell_length_c                   9.4471(11)
_cell_measurement_reflns_used    1636
_cell_measurement_temperature    120
_cell_measurement_theta_max      29.0739
_cell_measurement_theta_min      3.3560
_cell_volume                     567.12(12)
_computing_cell_refinement
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.66 (release 28-04-2010 CrysAlis171 .NET)
(compiled Apr 28 2010,14:27:37)
;
_computing_data_collection
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.66 (release 28-04-2010 CrysAlis171 .NET)
(compiled Apr 28 2010,14:27:37)
;
_computing_data_reduction
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.66 (release 28-04-2010 CrysAlis171 .NET)
(compiled Apr 28 2010,14:27:37)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXL-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      120
_diffrn_detector_area_resol_mean 16.1183
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.871
_diffrn_measurement_device_type  'Xcalibur, Eos, Gemini ultra'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0655
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            1885
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         29.11
_diffrn_reflns_theta_min         3.37
_exptl_absorpt_coefficient_mu    0.175
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.897
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             328
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.4
_refine_diff_density_max         0.525
_refine_diff_density_min         -0.309
_refine_diff_density_rms         0.089
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.976
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     116
_refine_ls_number_reflns         1885
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      0.976
_refine_ls_R_factor_all          0.0617
_refine_ls_R_factor_gt           0.0495
_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^)+(0.0783P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1238
_refine_ls_wR_factor_ref         0.1288
_reflns_number_gt                1478
_reflns_number_total             1885
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            cg400741b_si_001.cif
_cod_data_source_block           8-Li2DLTartrate_(P21/c)
_cod_database_code               4508051