Neutral zinc, lower-order zincate and higher-order zincate derivatives of pyrrole: synthesis and structural characterisation of zinc complexes with one, two, three or four pyrrolyl ligands.
Garden, Jennifer A.; Kennedy, Alan R.; Mulvey, Robert E.; Robertson, Stuart D.; Dalton transactions (Cambridge, England : 2003) 40 (2011) 11945–11954; doi:10.1039/c1dt11430a

data_7017426
_publ_section_title
;
 Neutral zinc, lower-order zincate and higher-order zincate derivatives of
 pyrrole: synthesis and structural characterisation of zinc complexes with
 one, two, three or four pyrrolyl ligands.
;
_journal_issue                   44
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              11945
_journal_page_last               11954
_journal_paper_doi               10.1039/c1dt11430a
_journal_volume                  40
_journal_year                    2011
_chemical_formula_moiety         'C26 H54 N8 Na2'
_chemical_formula_sum            'C26 H54 N8 Na2'
_chemical_formula_weight         524.75
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 100.702(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.3617(5)
_cell_length_b                   9.6380(4)
_cell_length_c                   18.0907(8)
_cell_measurement_reflns_used    3025
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      30.0546
_cell_measurement_theta_min      3.0551
_cell_volume                     1603.90(13)
_computing_cell_refinement
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.34.40 (release 27-08-2010 CrysAlis171 .NET)
(compiled Aug 27 2010,11:50:40)
;
_computing_data_collection
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.34.40 (release 27-08-2010 CrysAlis171 .NET)
(compiled Aug 27 2010,11:50:40)
;
_computing_data_reduction
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.34.40 (release 27-08-2010 CrysAlis171 .NET)
(compiled Aug 27 2010,11:50:40)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Xcalibur, Eos'
_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  0.0224
_diffrn_reflns_av_sigmaI/netI    0.0381
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            8124
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         3.06
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.99422
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.34.40 (release 27-08-2010 CrysAlis171 .NET)
(compiled Aug 27 2010,11:50:40)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.087
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             576
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.714
_refine_diff_density_min         -0.378
_refine_diff_density_rms         0.047
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     210
_refine_ls_number_reflns         3864
_refine_ls_number_restraints     116
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0843
_refine_ls_R_factor_gt           0.0595
_refine_ls_shift/su_max          0.033
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0645P)^2^+0.9049P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1431
_refine_ls_wR_factor_ref         0.1589
_reflns_number_gt                2857
_reflns_number_total             3864
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1dt11430a.txt
_cod_data_source_block           srjg1105
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7017426