Piezoactive amino acid derivatives containing fragments of planar-chiral ortho-carboranes
Gruzdev, Dmitry A.; Nuraeva, Alla S.; Slepukhin, Pavel A.; Levit, Galina L.; Zelenovskiy, Pavel S.; Shur, Vladimir Ya.; Krasnov, Victor P.; Journal of Materials Chemistry C 6 (2018) 8638–; doi:10.1039/C8TC02266F

data_7237347
_publ_section_title
;
 Piezoactive amino acid derivatives containing fragments of planar-chiral
 ortho-carboranes
;
_journal_issue                   32
_journal_name_full               'Journal of Materials Chemistry C'
_journal_page_first              8638
_journal_paper_doi               10.1039/C8TC02266F
_journal_volume                  6
_journal_year                    2018
_chemical_absolute_configuration (S,R)
_chemical_formula_moiety         'C15 H34 B10 N2 O4'
_chemical_formula_sum            'C15 H34 B10 N2 O4'
_chemical_formula_weight         414.54
_chemical_melting_point          493.8(8)
_chemical_name_common
;
(S,R)-tert-Butyl N-(3-acetamido-1,2-dicarba-closo-dodecaboran-1-yl)acetylvalinate
;
_chemical_name_systematic
; 
(S,R)-tert-Butyl N-(3-acetamido-1,2-dicarba-closo-dodecaboran-1-yl)acetylvalinate
;
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2018-04-23 deposited with the CCDC.
2018-07-05 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.73(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.325(10)
_cell_length_b                   9.558(6)
_cell_length_c                   12.703(8)
_cell_measurement_reflns_used    800
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      65.95
_cell_measurement_theta_min      3.48
_cell_volume                     1253.5(16)
_computing_cell_refinement
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.29.9 (release 23-03-2006 CrysAlis171 .NET)
(compiled Mar 23 2006,23:39:28)
;
_computing_data_collection
;
CrysAlis CCD, Oxford Diffraction Ltd.,
Version 1.171.29.9 (release 23-03-2006 CrysAlis171 .NET)
(compiled Mar 23 2006,23:39:28)
;
_computing_data_reduction
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.29.9 (release 23-03-2006 CrysAlis171 .NET)
(compiled Mar 23 2006,23:39:28)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 0.948
_diffrn_measured_fraction_theta_max 0.948
_diffrn_measurement_device_type  'Xcalibur 3'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0982
_diffrn_reflns_av_sigmaI/netI    0.1260
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            11070
_diffrn_reflns_theta_full        65.95
_diffrn_reflns_theta_max         65.95
_diffrn_reflns_theta_min         3.48
_exptl_absorpt_coefficient_mu    0.534
_exptl_absorpt_correction_T_max  1.40756
_exptl_absorpt_correction_T_min  0.45891
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.29.9 (release 23-03-2006 CrysAlis171 .NET)
(compiled Mar 23 2006,23:39:28)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.098
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             440
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: Hexane-acetone'
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.184
_refine_diff_density_min         -0.193
_refine_diff_density_rms         0.042
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.005
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     286
_refine_ls_number_reflns         2208
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.005
_refine_ls_R_factor_all          0.1212
_refine_ls_R_factor_gt           0.0592
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0270P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1115
_refine_ls_wR_factor_ref         0.1196
_reflns_number_gt                800
_reflns_number_total             2208
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c8tc02266f2.cif
_cod_data_source_block           dc1
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_chemical_melting_point' value '493.0-494.5 K' was changed
to '493.8(8)' -- the average value was taken and precision was
estimated.

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               7237347