Fast and Accurate Quantum Crystallography: From Small to Large, from Light to Heavy.
Malaspina, Lorraine A.; Wieduwilt, Erna K.; Bergmann, Justin; Kleemiss, Florian; Meyer, Benjamin; Ruiz-López, Manuel F; Pal, Rumpa; Hupf, Emanuel; Beckmann, Jens; Piltz, Ross O.; Edwards, Alison J.; Grabowsky, Simon; Genoni, Alessandro; The journal of physical chemistry letters  (2019) 6973–6982; doi:10.1021/acs.jpclett.9b02646

data_8000296
_publ_section_title
;
 Fast and Accurate Quantum Crystallography: From Small to Large, from
 Light to Heavy.
;
_journal_name_full               'The journal of physical chemistry letters'
_journal_page_first              6973
_journal_page_last               6982
_journal_paper_doi               10.1021/acs.jpclett.9b02646
_journal_year                    2019
_chemical_absolute_configuration syn
_chemical_formula_moiety         'C5 H10 N2 O3'
_chemical_formula_sum            'C5 H10 N2 O3'
_chemical_formula_weight         146.1471
_chemical_name_common            Glycil-L-Alanine
_chemical_name_systematic        Glycil-L-Alanine
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      19
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2019-01-15T13:16:06-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.529(2)
_cell_length_b                   9.5160(10)
_cell_length_c                   9.6880(10)
_cell_measurement_reflns_used    289
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      21.1
_cell_measurement_theta_min      6.04
_cell_volume                     694.1(2)
_computing_cell_refinement
'SMART-Bruker software V5.618 (BrukerAXS, 1997-2002)'
_computing_data_collection
'SMART-Bruker software V5.618 (BrukerAXS, 1997-2002)'
_computing_data_reduction        'SAINT V6.41A (BrukerAXS, 1997-2002)'
_computing_structure_refinement
'Tonto 18.12.17 github v. 2b3dd9c (Capelli, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      295(2)
_diffrn_detector_area_resol_mean 0.657
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.968
_diffrn_measurement_device_type  'Bruker SMART-CCD'
_diffrn_measurement_method       'area detector'
_diffrn_radiation_monochromator  'Si(111) double crystal'
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.5259
_diffrn_reflns_av_R_equivalents  0.028
_diffrn_reflns_av_unetI/netI     0.0239
_diffrn_reflns_Laue_measured_fraction_full 0.982
_diffrn_reflns_Laue_measured_fraction_max 0.968
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            11998
_diffrn_reflns_point_group_measured_fraction_full 0.984
_diffrn_reflns_point_group_measured_fraction_max 0.959
_diffrn_reflns_theta_full        18.393
_diffrn_reflns_theta_max         23.793
_diffrn_reflns_theta_min         2.535
_exptl_absorpt_coefficient_mu    0.071
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.399
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prismatic
_exptl_crystal_F_000             312
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.1386
_refine_diff_density_min         -0.1685
_refine_diff_density_rms         0.036
_refine_ls_abs_structure_details
;
 Flack x determined using 921 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.2(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_all   2.739
_refine_ls_goodness_of_fit_gt    2.739
_refine_ls_hydrogen_treatment    refxyz,refU
_refine_ls_matrix_type           full
_refine_ls_number_constraints    50
_refine_ls_number_parameters     131
_refine_ls_number_reflns         2357
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0299
_refine_ls_R_factor_gt           0.0299
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details     w=1/\s(F)
_refine_ls_weighting_scheme      sigma
_refine_ls_wR_factor_all         0.0298
_refine_ls_wR_factor_gt          0.0298
_refine_ls_wR_factor_ref         0.0746
_reflns_Friedel_coverage         0.712
_reflns_Friedel_fraction_full    0.988
_reflns_Friedel_fraction_max     0.948
_reflns_number_gt                2357
_reflns_number_total             2357
_reflns_threshold_expression     'F>0 & F/u(F)>3.0 & |F_calc|>10^-3'
_cod_data_source_file            GlyAla_295K.cif
_cod_data_source_block           GlyAla_295K_tonto_IAM
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_original_sg_symbol_Hall     'p 2ac 2ab'
_cod_original_sg_symbol_H-M      'p 21 21 21'
_cod_database_code               8000296
_refine_ls_coordinate_system     cartesian
_refine_ls_svd_threshold         0.1E-02