Fourfold symmetric MCR's <i>via</i> the tetraisocyanide 1,3-diisocyano-2,2-bis(isocyanomethyl)propane.
Butera, Roberto; Shrinidhi, Annadka; Kurpiewska, Katarzyna; Kalinowska-Tłuścik, Justyna; Dömling, Alexander; Chemical communications (Cambridge, England) 56 (2020) 10662–10665; doi:10.1039/d0cc04522e

data_7127006
_publ_section_title
;
 Fourfold symmetric MCR's <i>via</i> the tetraisocyanide
 1,3-diisocyano-2,2-bis(isocyanomethyl)propane.
;
_journal_issue                   73
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              10662
_journal_page_last               10665
_journal_paper_doi               10.1039/d0cc04522e
_journal_volume                  56
_journal_year                    2020
_chemical_formula_moiety         'C9 H8 N4'
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;
2020-05-06 deposited with the CCDC.	2020-08-04 downloaded from the CCDC.
;
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'CrysAlisPro convention (1999,Acta A55,543-557)'
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_diffrn_source                   'micro-focus sealed X-ray tube'
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_exptl_absorpt_process_details
;
        CrysAlisPro 1.171.38.46 (Rigaku Oxford Diffraction, 2015)
        Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            white
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_exptl_crystal_description       prism
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_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/1 (Sheldrick 2018)'
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_refine_ls_hydrogen_treatment    constr
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_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1115P)^2^+0.1664P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_reflns_number_gt                420
_reflns_number_total             435
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0cc04522e2.cif
_cod_data_source_block           rbsw_1
_cod_depositor_comments
'Adding full bibliography for 7127005--7127007.cif.'
_cod_original_cell_volume        468.12(9)
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