Non-Topotactic Phase Transformations in Single Crystals of β-Glycine
Jiang, Qi; Shtukenberg, Alexander G.; Ward, Michael D.; Hu, Chunhua; Crystal Growth & Design 15 (2015) 2568–; doi:10.1021/acs.cgd.5b00187

data_4512999
_publ_section_title
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 Non-Topotactic Phase Transformations in Single Crystals of \b-Glycine
;
_journal_issue                   6
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              2568
_journal_paper_doi               10.1021/acs.cgd.5b00187
_journal_volume                  15
_journal_year                    2015
_chemical_formula_sum            'C2 H5 N O2'
_chemical_formula_weight         75.07
_space_group_IT_number           144
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  'P 31'
_symmetry_space_group_name_H-M   'P 31'
_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                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            3
_cell_length_a                   6.9824(7)
_cell_length_b                   6.9824(7)
_cell_length_c                   5.4749(6)
_cell_measurement_reflns_used    3066
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.26
_cell_measurement_theta_min      3.37
_cell_volume                     231.16(4)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\w scans'
_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  0.0231
_diffrn_reflns_av_sigmaI/netI    0.0104
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            3614
_diffrn_reflns_theta_full        28.33
_diffrn_reflns_theta_max         28.33
_diffrn_reflns_theta_min         3.37
_exptl_absorpt_coefficient_mu    0.144
_exptl_absorpt_correction_T_max  0.9830
_exptl_absorpt_correction_T_min  0.9746
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.618
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             120
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.292
_refine_diff_density_min         -0.116
_refine_diff_density_rms         0.033
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0(10)
_refine_ls_extinction_coef       none
_refine_ls_extinction_expression none
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.146
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     49
_refine_ls_number_reflns         386
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.145
_refine_ls_R_factor_all          0.0183
_refine_ls_R_factor_gt           0.0183
_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^)+(0.0345P)^2^+0.0122P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0482
_refine_ls_wR_factor_ref         0.0482
_reflns_number_gt                386
_reflns_number_total             386
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg5b00187_si_005.cif
_cod_data_source_block           12hch20h_100k
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Trigonal' changed to 'trigonal'
according to
/usr/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 3271 2015-04-21 07:52:19Z andrius 

 Adding full bibliography for 4512893--4513002.cif.
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_cod_database_code               4512999