From zinco(ii) arsaketenes to silylene-stabilised zinco arsinidene complexes.
Ballestero-Martínez, Ernesto; Hadlington, Terrance J.; Szilvási, Tibor; Yao, Shenglai; Driess, Matthias; Chemical communications (Cambridge, England) 54 (2018) 6124–6127; doi:10.1039/c8cc01928b

data_7121492
_publ_section_title
;
 From zinco(ii) arsaketenes to silylene-stabilised zinco arsinidene
 complexes.
;
_journal_issue                   48
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              6124
_journal_page_last               6127
_journal_paper_doi               10.1039/c8cc01928b
_journal_volume                  54
_journal_year                    2018
_chemical_formula_moiety         'C40 H61 Cl N4 Zn'
_chemical_formula_sum            'C40 H61 Cl N4 Zn'
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_chemical_properties_physical    Air-sensitive,Moisture-sensitive
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_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
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;
2018-03-07 deposited with the CCDC.
2018-04-16 downloaded from the CCDC.
;
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_computing_cell_refinement       'CrysAlisPro 1.171.38.43c (Rigaku OD, 2015)'
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_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_diffrn_ambient_temperature      150(2)
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_diffrn_reflns_limit_h_max       14
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_diffrn_reflns_limit_k_min       -21
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_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            15746
_diffrn_reflns_point_group_measured_fraction_full 0.964
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_diffrn_source                   'micro-focus sealed X-ray tube'
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_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.43c (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
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_exptl_crystal_size_mid          0.240
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_refine_diff_density_min         -0.480
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;
 Flack x determined using 2690 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.010(16)
_refine_ls_extinction_method     none
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_refine_ls_matrix_type           full
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_refine_ls_number_reflns         6952
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.012
_refine_ls_R_factor_all          0.0392
_refine_ls_R_factor_gt           0.0370
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0677P)^2^+0.3692P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_refine_ls_wR_factor_ref         0.0988
_reflns_Friedel_coverage         0.725
_reflns_Friedel_fraction_full    0.924
_reflns_Friedel_fraction_max     0.912
_reflns_number_gt                6682
_reflns_number_total             6952
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8cc01928b2.cif
_cod_data_source_block           compound_3
_cod_depositor_comments
'Adding full bibliography for 7121492--7121496.cif.'
_cod_database_code               7121492
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.531
_shelx_estimated_absorpt_t_max   0.933
_shelx_res_checksum              67479