Bis(2-alkylpyrrolidin-1-yl)methylidenes as Chiral Acyclic Diaminocarbene Ligands
Snead, David R.; Inagaki, Sebastien; Abboud, Khalil A.; Hong, Sukwon; Organometallics 29 (2010) 1729–; doi:10.1021/om901112n

data_4067762
_publ_section_title
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 Bis(2-alkylpyrrolidin-1-yl)methylidenes as Chiral Acyclic Diaminocarbene
 Ligands
;
_journal_issue                   7
_journal_name_full               Organometallics
_journal_page_first              1729
_journal_paper_doi               10.1021/om901112n
_journal_volume                  29
_journal_year                    2010
_chemical_formula_sum            'C23 H40 Cl N2 Rh'
_chemical_formula_weight         482.93
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.5397(12)
_cell_length_b                   12.2604(16)
_cell_length_c                   19.335(2)
_cell_measurement_reflns_used    252
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.0
_cell_measurement_theta_min      2.0
_cell_volume                     2261.4(5)
_computing_cell_refinement       'Bruker APEX2'
_computing_data_collection       'Bruker APEX2 (Bruker, 2008)'
_computing_data_reduction        'Bruker SAINT (Bruker, 2008)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL (Bruker, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\w 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  0.0281
_diffrn_reflns_av_sigmaI/netI    0.0217
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            27515
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.97
_exptl_absorpt_coefficient_mu    0.884
_exptl_absorpt_correction_T_max  0.8998
_exptl_absorpt_correction_T_min  0.8479
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
'based on measured indexed crystal faces, Bruker SHELXTL  v6.12 (Bruker 2007)'
_exptl_crystal_colour            gold
_exptl_crystal_density_diffrn    1.418
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Cubes
_exptl_crystal_F_000             1016
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.386
_refine_diff_density_min         -0.331
_refine_diff_density_rms         0.051
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.024(17)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.079
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     266
_refine_ls_number_reflns         5192
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.079
_refine_ls_R_factor_all          0.0182
_refine_ls_R_factor_gt           0.0174
_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^)+(0.0202P)^2^+0.7408P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0432
_refine_ls_wR_factor_ref         0.0435
_reflns_number_gt                5092
_reflns_number_total             5192
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            om901112n_si_002.cif
_cod_data_source_block           8e
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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_values 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               4067762