Zirconium vs Aluminum Salalen Initiators for the Production of Biopolymers
Kirk, Sarah M.; Kociok-Köhn, Gabriele; Jones, Matthew D.; Organometallics 35 (2016) 3837–; doi:10.1021/acs.organomet.6b00718

data_4089116
_publ_section_title
;
 Zirconium vs Aluminum Salalen Initiators for the Production of
 Biopolymers
;
_journal_issue                   22
_journal_name_full               Organometallics
_journal_page_first              3837
_journal_paper_doi               10.1021/acs.organomet.6b00718
_journal_volume                  35
_journal_year                    2016
_chemical_formula_moiety         '2(C43 H64 Hf N2 O4), C5 H12'
_chemical_formula_sum            'C91 H140 Hf2 N4 O8'
_chemical_formula_weight         1775.04
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 114.16(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   14.665(4)
_cell_length_b                   22.490(3)
_cell_length_c                   15.545(3)
_cell_measurement_reflns_used    14462
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      23.3690
_cell_measurement_theta_min      3.6870
_cell_volume                     4677.9(18)
_computing_cell_refinement       'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_molecular_graphics
'ORTEP3 for Windows - Farrugia, L. J. J. Appl. Crystallogr. 1997, 30, 565'
_computing_publication_material
;
 'WinGX publication routines, Farrugia, 
 L. J., J. Appl. Crystallogr., 1999, 32, 837-838
;
_computing_structure_refinement
;
 SHELXL-2014/8 (Sheldrick, 2014)
 Sheldrick GM (2008) Acta Crystallogr A64:112--122 and 
 C. B. H\"ubschle, G. M. Sheldrick and B. Dittrich
 ShelXle: a Qt graphical user interface for SHELXL
 J. Appl. Cryst., 44, (2011) 1281-1284.
;
_computing_structure_solution
; 
 SHELXT
 Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.
;
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      150(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 8.0734
_diffrn_detector_type            EosS2
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.904
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'New Xcalibur, EosS2'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0671
_diffrn_reflns_av_unetI/netI     0.0646
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.904
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            70175
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.904
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.386
_diffrn_reflns_theta_min         3.322
_diffrn_source                   'fine-focus sealed X-ray tube'
_diffrn_source_type              'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    2.269
_exptl_absorpt_correction_T_max  0.958
_exptl_absorpt_correction_T_min  0.899
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.43 (Rigaku Oxford Diffraction, 2015)
Analytical numeric absorption correction using a multifaceted crystal
			model based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.260
_exptl_crystal_description       block
_exptl_crystal_F_000             1844
_exptl_crystal_size_max          0.250
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.090
_refine_diff_density_max         2.280
_refine_diff_density_min         -0.892
_refine_diff_density_rms         0.110
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.089
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     602
_refine_ls_number_reflns         10594
_refine_ls_number_restraints     111
_refine_ls_restrained_S_all      1.089
_refine_ls_R_factor_all          0.1041
_refine_ls_R_factor_gt           0.0625
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0450P)^2^+11.3621P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1132
_refine_ls_wR_factor_ref         0.1269
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7404
_reflns_number_total             10594
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            om6b00718_si_002.cif
_cod_data_source_block           Hf_1_OiPr
_cod_original_cell_volume        4677.8(17)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4089116
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.612
_shelx_estimated_absorpt_t_max   0.822
_oxdiff_exptl_absorpt_empirical_full_min 0.927
_oxdiff_exptl_absorpt_empirical_full_max 1.120
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_shelx_res_checksum              25988
_shelx_hkl_checksum              9502