N-Heterocyclic carbene rhodium(i) complexes containing an axis of chirality: dynamics and catalysis
Cassani, Maria Cristina; Brucka, Marta Anna; Femoni, Cristina; Mancinelli, Michele; Mazzanti, Andrea; Mazzoni, Rita; Solinas, Gavino; New Journal of Chemistry 38 (2014) 1768–; doi:10.1039/c3nj01620j

data_7054036
_publ_section_title
;
 N-Heterocyclic carbene rhodium(i) complexes containing an axis of
 chirality: dynamics and catalysis
;
_journal_issue                   4
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              1768
_journal_paper_doi               10.1039/c3nj01620j
_journal_volume                  38
_journal_year                    2014
_chemical_formula_sum            'C18 H20 Cl N2 Rh'
_chemical_formula_weight         402.72
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.5320(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.5190(6)
_cell_length_b                   10.7555(6)
_cell_length_c                   14.8470(9)
_cell_measurement_reflns_used    4074
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      23.358
_cell_measurement_theta_min      2.708
_cell_volume                     1679.67(17)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD AREA DETECTOR'
_diffrn_measurement_method       '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  0.0362
_diffrn_reflns_av_sigmaI/netI    0.0264
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            15678
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         1.94
_exptl_absorpt_coefficient_mu    1.173
_exptl_absorpt_correction_T_max  0.8917
_exptl_absorpt_correction_T_min  0.7992
_exptl_absorpt_correction_type   'EMPIRICAL SADABS'
_exptl_crystal_colour            'PALE YELLOW'
_exptl_crystal_density_diffrn    1.593
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       PRISMATIC
_exptl_crystal_F_000             816
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.800
_refine_diff_density_min         -0.313
_refine_diff_density_rms         0.070
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.051
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     200
_refine_ls_number_reflns         2959
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0445
_refine_ls_R_factor_gt           0.0319
_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^)+(0.0430P)^2^+1.2363P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0803
_refine_ls_wR_factor_ref         0.0883
_reflns_number_gt                2392
_reflns_number_total             2959
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3nj01620j2.cif
_cod_data_source_block           p21c
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'MONOCLINIC' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/current/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_refine_ls_hydrogen_treatment' value 'CONSTR' changed
to 'constr' according to
/usr/data/users/saulius/crontab/automatic-downloads/current/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7054036