The Elusive High Temperature Solid-State Structure ofd,l-Norleucine
Coles, S. J.; Gelbrich, T.; Griesser, U. J.; Hursthouse, M. B.; Pitak, M.; Threlfall, T.; Crystal Growth & Design 9 (2009) 4610–; doi:10.1021/cg901045t

data_4509813
_publ_section_title
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 The Elusive High Temperature Solid-State Structure ofd,l-Norleucine
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_journal_issue                   11
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              4610
_journal_paper_doi               10.1021/cg901045t
_journal_volume                  9
_journal_year                    2009
_chemical_formula_moiety         'C6 H13 N O2'
_chemical_formula_sum            'C6 H13 N O2'
_chemical_formula_weight         131.17
_chemical_name_systematic
;
 ?
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_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 101.054(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   34.171(3)
_cell_length_b                   4.8197(3)
_cell_length_c                   9.8356(7)
_cell_measurement_reflns_used    1882
_cell_measurement_temperature    395(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     1589.8(2)
_computing_cell_refinement       'DENZO, COLLECT'
_computing_data_reduction        'DENZO, COLLECT'
_computing_molecular_graphics    'PLATON (Spek, 1990)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      395(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Bruker-Nonius KappaCCD Area Detector'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  '10cm confocal mirrors'
_diffrn_radiation_source         'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0393
_diffrn_reflns_av_sigmaI/netI    0.0318
_diffrn_reflns_limit_h_max       40
_diffrn_reflns_limit_h_min       -40
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            6676
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         3.65
_diffrn_standards_decay_%        negligible
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    0.081
_exptl_absorpt_correction_T_max  0.9935
_exptl_absorpt_correction_T_min  0.9839
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2.10 (Sheldrick, G.M., 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.096
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             576
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.517
_refine_diff_density_min         -0.352
_refine_diff_density_rms         0.074
_refine_ls_extinction_coef       0.13(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.283
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     84
_refine_ls_number_reflns         1371
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.293
_refine_ls_R_factor_all          0.1237
_refine_ls_R_factor_gt           0.1046
_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^)+(0.2000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2934
_refine_ls_wR_factor_ref         0.3192
_reflns_number_gt                1004
_reflns_number_total             1371
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            cg901045tsup1.cif
_cod_data_source_block           gamma395_c2c
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
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_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4509813