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_7013982
_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            'C17 H31 Hf P'
_chemical_formula_weight         444.88
_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                 102.3556(12)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.9542(1)
_cell_length_b                   15.4479(3)
_cell_length_c                   15.0000(3)
_cell_measurement_reflns_used    16693
_cell_measurement_temperature    200(1)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      1.02
_cell_volume                     1800.45(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    SIR97
_diffrn_ambient_temperature      200(1)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_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  0.0216
_diffrn_reflns_av_sigmaI/netI    0.0330
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            7039
_diffrn_reflns_theta_full        27.46
_diffrn_reflns_theta_max         27.46
_diffrn_reflns_theta_min         3.64
_diffrn_standards_decay_%        <2.0
_exptl_absorpt_coefficient_mu    5.871
_exptl_absorpt_correction_T_max  0.3719
_exptl_absorpt_correction_T_min  0.3215
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'DENZO-SMN (Otwinowski & Minor 1997)'
_exptl_crystal_colour            black-red
_exptl_crystal_density_diffrn    1.641
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             880
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.885
_refine_diff_density_min         -0.806
_refine_diff_density_rms         0.100
_refine_ls_extinction_coef       0.0057(2)
_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   1.052
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     288
_refine_ls_number_reflns         4054
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0254
_refine_ls_R_factor_gt           0.0207
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0129P)^2^+1.8326P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0451
_refine_ls_wR_factor_ref         0.0470
_reflns_number_gt                3648
_reflns_number_total             4054
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b316911a.txt
_cod_data_source_block           shelxl_b
_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 
;
_cod_original_cell_volume        1800.44(6)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7013982