Synthesis and reactivity of a cyclopentadienyl-indenyl ligand ring-coupled by a chiral bridge derived from ethyl (S)-(-) lactate.
Laï, Richard; Daran, Jean-Claude; Nuel, Didier; Sanz, Martial; Summerton, Nick; Vanthuyne, Nicolas; Zaragori-Benedetti, Anaïs; Dalton transactions (Cambridge, England : 2003) 42 (2013) 7980–7990; doi:10.1039/c3dt33019b

data_7021386
_publ_section_title
;
 Synthesis and reactivity of a cyclopentadienyl-indenyl ligand
 ring-coupled by a chiral bridge derived from ethyl (S)-(-) lactate.
;
_journal_issue                   22
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              7980
_journal_page_last               7990
_journal_paper_doi               10.1039/c3dt33019b
_journal_volume                  42
_journal_year                    2013
_chemical_absolute_configuration ad
_chemical_formula_sum            'C25 H29 Rh'
_chemical_formula_weight         432.39
_chemical_name_systematic
;
?
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_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
_cell_angle_alpha                90.0000(10)
_cell_angle_beta                 96.389(12)
_cell_angle_gamma                90.000(12)
_cell_formula_units_Z            4
_cell_length_a                   7.6672(9)
_cell_length_b                   23.6258(17)
_cell_length_c                   10.9468(11)
_cell_measurement_reflns_used    8000
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      24
_cell_measurement_theta_min      2
_cell_volume                     1970.6(3)
_computing_cell_refinement       'IPDS (Stoe, 1996)'
_computing_data_collection       'IPDS (Stoe, 1996)'
_computing_data_reduction        'XRED (Stoe, 1996)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Stoe IPDS'
_diffrn_measurement_method       '\f scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.04
_diffrn_reflns_av_sigmaI/netI    0.017
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            15699
_diffrn_reflns_theta_full        24.14
_diffrn_reflns_theta_max         24.14
_diffrn_reflns_theta_min         1.87
_exptl_absorpt_coefficient_mu    0.872
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            ' orange '
_exptl_crystal_density_diffrn    1.457
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       ' block '
_exptl_crystal_F_000             896
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.510
_refine_diff_density_min         -0.246
_refine_diff_density_rms         0.048
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.03(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     471
_refine_ls_number_reflns         6192
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.0210
_refine_ls_R_factor_gt           0.0199
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0395P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0495
_refine_ls_wR_factor_ref         0.0506
_reflns_number_gt                5960
_reflns_number_total             6192
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c3dt33019b.txt
_cod_data_source_block           9
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               7021386