The use of a germene for the synthesis of esters of α-germyl-substituted α-amino acid and α-aminophosphonic acid
Ech-Cherif El Kettani, S.; Escudié, J.; Couret, C.; Ranaivonjatovo, H.; Lazraq, M.; Soufiaoui, M.; Gornitzka, H.; Cretiu Nemes, G.; Chemical Communications (Cambridge, United Kingdom)  (2003) 1662–1663; doi:10.1039/b303661h

data_7103758
_publ_section_title
;
 The use of a germene for the synthesis of esters of \a-germyl-substituted
 \a-amino acid and \a-aminophosphonic acid
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   14
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              1662
_journal_page_last               1663
_journal_paper_doi               10.1039/b303661h
_journal_year                    2003
_chemical_formula_sum            'C45 H51 Ge N O3'
_chemical_formula_weight         726.46
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                101.8250(10)
_cell_angle_beta                 95.7740(10)
_cell_angle_gamma                108.6110(10)
_cell_formula_units_Z            2
_cell_length_a                   11.9777(7)
_cell_length_b                   12.1155(7)
_cell_length_c                   14.5540(8)
_cell_measurement_reflns_used    9351
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      29.339
_cell_measurement_theta_min      2.464
_cell_volume                     1927.47(19)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      193(2)
_diffrn_measured_fraction_theta_full 0.871
_diffrn_measured_fraction_theta_max 0.871
_diffrn_measurement_device_type  'Bruker CCD detector'
_diffrn_measurement_method       'phi and omega 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  0.0247
_diffrn_reflns_av_sigmaI/netI    0.0428
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            12972
_diffrn_reflns_theta_full        29.43
_diffrn_reflns_theta_max         29.43
_diffrn_reflns_theta_min         1.45
_exptl_absorpt_coefficient_mu    0.835
_exptl_absorpt_correction_T_max  1.000000
_exptl_absorpt_correction_T_min  0.760492
_exptl_absorpt_correction_type   SEMI-EMPIRICAL
_exptl_absorpt_process_details   'SADABS (Bruker-AXS)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.252
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             768
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.7
_exptl_crystal_size_min          0.7
_refine_diff_density_max         0.493
_refine_diff_density_min         -0.326
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     463
_refine_ls_number_reflns         9290
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0380
_refine_ls_R_factor_gt           0.0316
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0450P)^2^+0.3714P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0830
_refine_ls_wR_factor_ref         0.0864
_reflns_number_gt                8168
_reflns_number_total             9290
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b303661h.txt
_cod_data_source_block           4
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7103758