Bis(alkyl) rare-earth complexes supported by a new tridentate amidinate ligand with a pendant diphenylphosphine oxide group. Synthesis, structures and catalytic activity in isoprene polymerization.
Tolpygin, Aleksei O.; Glukhova, Tatyana A.; Cherkasov, Anton V.; Fukin, Georgy K.; Aleksanyan, Diana V.; Cui, Dongmei; Trifonov, Alexander A.; Dalton transactions (Cambridge, England : 2003) 44 (2015) 16465–16474; doi:10.1039/c5dt02570b

data_7036206
_publ_section_title
;
 Bis(alkyl) rare-earth complexes supported by a new tridentate amidinate
 ligand with a pendant diphenylphosphine oxide group. Synthesis,
 structures and catalytic activity in isoprene polymerization.
;
_journal_issue                   37
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              16465
_journal_page_last               16474
_journal_paper_doi               10.1039/c5dt02570b
_journal_volume                  44
_journal_year                    2015
_chemical_formula_sum            'C31 H33 N2 O P'
_chemical_formula_weight         480.56
_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
_audit_update_record
;
2015-03-10 deposited with the CCDC.
2015-08-18 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 102.3655(13)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.42698(18)
_cell_length_b                   18.0000(2)
_cell_length_c                   10.28031(15)
_cell_measurement_reflns_used    15734
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      32.5435
_cell_measurement_theta_min      3.0333
_cell_volume                     2607.72(6)
_computing_cell_refinement       'CrysAlisPro, Agilent Technologies'
_computing_data_collection       'CrysAlisPro, Agilent Technologies'
_computing_data_reduction        'CrysAlisPro, Agilent Technologies'
_computing_molecular_graphics    'SHELXTL  (Sheldrick, 2000)'
_computing_publication_material  'SHELXTL  (Sheldrick, 2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Xcalibur, Eos'
_diffrn_measurement_method       '/w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0536
_diffrn_reflns_av_sigmaI/netI    0.0294
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            45921
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         3.04
_exptl_absorpt_coefficient_mu    0.132
_exptl_absorpt_correction_T_max  0.9869
_exptl_absorpt_correction_T_min  0.9492
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SCALE3 ABSPACK, CrysAlisPro, Agilent Technologies (2012) 
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.224
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1024
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.554
_refine_diff_density_min         -0.260
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     325
_refine_ls_number_reflns         6265
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0509
_refine_ls_R_factor_gt           0.0383
_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^)+(0.0532P)^2^+0.6919P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0961
_refine_ls_wR_factor_ref         0.1021
_reflns_number_gt                5112
_reflns_number_total             6265
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5dt02570b2.cif
_cod_data_source_block           1
_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/rss-feeds/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 3271 2015-04-21 07:52:19Z andrius 

 Adding full bibliography for 7036206--7036209.cif.
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7036206