Group-4 η1-Pyrrolyl Complexes Incorporating N,N-Di(pyrrolyl-α-methyl)-N-methylamine
Yahong Li; Angie Turnas; James T. Ciszewski; Aaron L. Odom; Inorganic Chemistry 41 (2002) 6298–6306; doi:10.1021/ic0259484

data_4318966
_publ_section_title
;
 Group-4 \h1-Pyrrolyl Complexes Incorporating
 N,N-Di(pyrrolyl-\a-methyl)-N-methylamine
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              6298
_journal_page_last               6306
_journal_paper_doi               10.1021/ic0259484
_journal_volume                  41
_journal_year                    2002
_chemical_formula_sum            'C17 H31 N6 Zr'
_chemical_formula_weight         410.70
_chemical_name_common            Zr(NMe2)2(NHMe2)(dpma)
_chemical_name_systematic
;
  ?
;
_space_group_IT_number           161
_symmetry_cell_setting           rhombohedral
_symmetry_space_group_name_Hall  'R 3 -2"c'
_symmetry_space_group_name_H-M   'R 3 c :H'
_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                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            18
_cell_length_a                   26.127(2)
_cell_length_b                   26.127(2)
_cell_length_c                   15.5158(19)
_cell_measurement_temperature    293(2)
_cell_volume                     9172.4(15)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(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       'phi and 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  0.0284
_diffrn_reflns_av_sigmaI/netI    0.0221
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            7478
_diffrn_reflns_theta_full        23.26
_diffrn_reflns_theta_max         23.26
_diffrn_reflns_theta_min         1.56
_exptl_absorpt_coefficient_mu    0.550
_exptl_absorpt_correction_T_max  0.9065
_exptl_absorpt_correction_T_min  0.7978
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.338
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       parallelpiped
_exptl_crystal_F_000             3870
_exptl_crystal_size_max          0.63
_exptl_crystal_size_mid          0.44
_exptl_crystal_size_min          0.34
_refine_diff_density_max         0.339
_refine_diff_density_min         -0.287
_refine_diff_density_rms         0.055
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.01(5)
_refine_ls_extinction_coef       0.00014(4)
_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   1.075
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     218
_refine_ls_number_reflns         2203
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.075
_refine_ls_R_factor_all          0.0263
_refine_ls_R_factor_gt           0.0257
_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^)+(0.0412P)^2^+20.9859P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0688
_refine_ls_wR_factor_ref         0.0693
_reflns_number_gt                2151
_reflns_number_total             2203
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0259484_1.cif
_cod_data_source_block           alo1t
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Rhombohedral' changed to
'rhombohedral' according to the built-in table from CIF Core
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 

2020-11-03
Z value and formula fixed to values more according to usual
chemical conventions.                 miguel
;
_cod_original_formula_sum            'C34 H62 N12 Zr2'
_cod_original_formula_weight         821.40
_cod_original_formula_units_Z            9
_cod_original_cell_volume        9172.7(16)
_cod_original_sg_symbol_H-M      'R 3 c'
_cod_database_code               4318966