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_8000320
_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         'C28 H37 N5 O7, 3(H2 O)'
_chemical_formula_sum            'C28 H43 N5 O10'
_chemical_formula_weight         609.6824
_chemical_name_common            'Leu-enkephalin trihydrate'
_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
_audit_creation_date             2019-01-24T13:12:18-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.851(4)
_cell_length_b                   13.095(3)
_cell_length_c                   21.192(4)
_cell_volume                     3011.3(14)
_computing_cell_refinement
;
;
_computing_data_collection
;
;
_computing_data_reduction
;
;
_computing_structure_refinement
'Tonto (Hirshfeld Atom Fit) 18.12.17 v. 2b3dd9c (Capelli, 2014) and ELMODB'
_computing_structure_solution
;
;
_diffrn_ambient_temperature      100(2)
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_diffrn_measured_fraction_theta_max 0.526
_diffrn_measurement_device_type  CAD4F?
_diffrn_measurement_method       'serial detector?'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_unetI/netI     0.1504
_diffrn_reflns_Laue_measured_fraction_full 0.959
_diffrn_reflns_Laue_measured_fraction_max 0.526
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       45
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            40844
_diffrn_reflns_point_group_measured_fraction_full 0.541
_diffrn_reflns_point_group_measured_fraction_max 0.281
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         54.797
_diffrn_reflns_theta_min         1.828
_exptl_absorpt_coefficient_mu    0.103
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.345
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1304
_refine_diff_density_max         0.205939
_refine_diff_density_min         -0.216575
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_refine_ls_hydrogen_treatment    refxyz,refU
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_refine_ls_number_restraints     0
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_refine_ls_shift/su_max          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         0.0242
_refine_ls_wR_factor_gt          0.0242
_reflns_Friedel_coverage         0
_reflns_Friedel_fraction_full    0
_reflns_Friedel_fraction_max     0
_reflns_number_gt                5851
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_reflns_threshold_expression     'F>0 & F/u(F)>3.0 & |F_calc|>10^-3'
_cod_data_source_file            ENK.cif
_cod_data_source_block           ENK_HAR-ELMO
_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               8000320
_refine_ls_svd_threshold         0.1E-02
_refine_ls_coordinate_system     cartesian