(S)-N-[(2-hydroxynaphthalen-1-yl)methylidene]valine ‒ A valuable ligand for the preparation of chiral complexes
Schwarzer, Sandra; Böhme, Uwe; Fels, Sabine; Günther, Betty; Brendler, Erica; Inorganica Chimica Acta 483 (2018) 136–147; doi:10.1016/j.ica.2018.08.011

data_1563824
_publ_section_title
;
 (S)-N-[(2-hydroxynaphthalen-1-yl)methylidene]valine -- A valuable ligand
 for the preparation of chiral complexes
;
_journal_name_full               'Inorganica Chimica Acta'
_journal_page_first              136
_journal_page_last               147
_journal_paper_doi               10.1016/j.ica.2018.08.011
_journal_volume                  483
_journal_year                    2018
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C18 H21 Ge N O3'
_chemical_formula_sum            'C18 H21 Ge N O3'
_chemical_formula_weight         371.95
_chemical_melting_point          521
_space_group_crystal_system      trigonal
_space_group_IT_number           145
_space_group_name_Hall           'P 32'
_space_group_name_H-M_alt        'P 32'
_atom_sites_solution_hydrogens   geom
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   11.5388(5)
_cell_length_b                   11.5388(5)
_cell_length_c                   11.4295(5)
_cell_measurement_reflns_used    3897
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      29.58
_cell_measurement_theta_min      2.04
_cell_volume                     1317.89(10)
_computing_cell_refinement       'STOE X-AREA'
_computing_data_collection       'STOE X-AREA'
_computing_data_reduction        'STOE X-RED'
_computing_molecular_graphics    'ORTEP3 (Farrugia, 1997)'
_computing_publication_material  'SHELXL-2014/7 (Sheldrick 2014)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick 2014)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      153(2)
_diffrn_detector                 'image plate (34 cm diameter)'
_diffrn_detector_area_resol_mean 6.67
_diffrn_detector_type            STOE
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       '2-circle goniometer'
_diffrn_measurement_device_type  'STOE IPDS 2'
_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  0.0734
_diffrn_reflns_av_unetI/netI     0.0151
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            3897
_diffrn_reflns_point_group_measured_fraction_full 0.975
_diffrn_reflns_point_group_measured_fraction_max 0.970
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.491
_diffrn_reflns_theta_min         2.038
_exptl_absorpt_coefficient_mu    1.757
_exptl_absorpt_correction_T_max  0.8186
_exptl_absorpt_correction_T_min  0.7230
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'X-RED; Stoe, 2009'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.406
_exptl_crystal_description       Prism
_exptl_crystal_F_000             576
_exptl_crystal_size_max          0.550
_exptl_crystal_size_mid          0.300
_exptl_crystal_size_min          0.300
_refine_diff_density_max         0.323
_refine_diff_density_min         -0.662
_refine_diff_density_rms         0.065
_refine_ls_abs_structure_details
;
 Classical Flack method preferred over Parsons because s.u. lower.
;
_refine_ls_abs_structure_Flack   -0.004(14)
_refine_ls_extinction_coef       .
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     212
_refine_ls_number_reflns         3897
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.0331
_refine_ls_R_factor_gt           0.0306
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0527P)^2^+0.7040P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0759
_refine_ls_wR_factor_ref         0.0782
_reflns_Friedel_coverage         0.944
_reflns_Friedel_fraction_full    0.953
_reflns_Friedel_fraction_max     0.942
_reflns_number_gt                3758
_reflns_number_total             3897
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            k69F_13.cif
_cod_data_source_block           k69F_13
_cod_original_cell_volume        1317.89(15)
_cod_database_code               1563824
_shelx_estimated_absorpt_t_min   0.445
_shelx_estimated_absorpt_t_max   0.621
_shelx_res_checksum              36268
_shelx_hkl_checksum              96525