Syntheses and structural systematics of trialkylphosphine complexes of open titanocenes, zirconocenes and hafnocenes.
Harvey, Benjamin G.; Basta, Rehan; Arif, Atta M.; Ernst, Richard D.; Dalton transactions (Cambridge, England : 2003)  (2004) 1221–1226; doi:10.1039/b316911a

data_7013984
_publ_section_title
;
 Syntheses and structural systematics of trialkylphosphine complexes of
 open titanocenes, zirconocenes and hafnocenes.
;
_journal_issue                   8
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1221
_journal_page_last               1226
_journal_paper_doi               10.1039/b316911a
_journal_year                    2004
_chemical_formula_sum            'C20 H37 Hf P'
_chemical_formula_weight         486.96
_chemical_name_systematic
;
?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                88.1613(20)
_cell_angle_beta                 76.1834(19)
_cell_angle_gamma                88.4466(15)
_cell_formula_units_Z            2
_cell_length_a                   7.8898(3)
_cell_length_b                   8.6491(3)
_cell_length_c                   15.5788(3)
_cell_measurement_reflns_used    13830
_cell_measurement_temperature    200(1)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      1.02
_cell_volume                     1031.59(6)
_computing_cell_refinement       DENZO-SMN
_computing_data_collection       'Nonius COLLECT'
_computing_data_reduction        DENZO-SMN
_computing_molecular_graphics    'WinGx, Ortep3'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    DIRDIF99
_diffrn_ambient_temperature      200(1)
_diffrn_measured_fraction_theta_full 0.944
_diffrn_measured_fraction_theta_max 0.944
_diffrn_measurement_device_type  'Nonius KappaCCD Diffractometer'
_diffrn_measurement_method       'Phi plus Omega scan'
_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  0.0219
_diffrn_reflns_av_sigmaI/netI    0.0439
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            6762
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.51
_diffrn_standards_decay_%        <2.0
_exptl_absorpt_coefficient_mu    5.131
_exptl_absorpt_correction_T_max  0.5133
_exptl_absorpt_correction_T_min  0.3276
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'DENZO-SMN (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            'dark brown'
_exptl_crystal_density_diffrn    1.568
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             488
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.857
_refine_diff_density_min         -1.337
_refine_diff_density_rms         0.114
_refine_ls_extinction_coef       0.0012(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.099
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     274
_refine_ls_number_reflns         4472
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.099
_refine_ls_R_factor_all          0.0262
_refine_ls_R_factor_gt           0.0235
_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^)+(0.0073P)^2^+1.3348P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0573
_refine_ls_wR_factor_ref         0.0589
_reflns_number_gt                4218
_reflns_number_total             4472
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b316911a.txt
_cod_data_source_block           shelxl_d
_cod_depositor_comments
;
The following automatic conversions were performed:
'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' 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_enum 1527 2010-12-29 10:47:43Z saulius 
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_cod_database_code               7013984