Unusual C–H⋯Ni anagostic interactions in new homoleptic Ni(ii) dithio complexes

Amino-funtionalised metal xanthates

“…Cases where R incorporates a donor functionality are extremely rare (R = CH 2 CH 2 OMe; Abrahams et al, 1988a,b;Edwards et al, 1990a,b;Chen et al, 2003a,b;Haiduc et al, 2004). CH 2 (CH 2 OCH 2 ) 3 CH 2 OH (Beer et al, 2003) and, to our knowledge, only one with a pendant N-donor (N-benzylpiperidyl) have so far been incorporated (Rajput et al, 2013). Such an approach would, however, open opportunities for the synthesis of heterobimetallic species, which could be exploited as SSPs to form mixed-metal materials.…”

Surface enhanced Raman scattering investigation of two novel piperazine carbodithioic acids adsorbed on Ag and ZnO nanoparticles

“…39,40 The CT enhancement mechanism in the SERS process from the two different types of substrate AgNPs and ZnONPs are illustrated schematically in Fig. The plasmon resonance frequency for AgNPs and ZnONPs lie in visible and infrared region, respectively.…”

“…[39][40][41] For PZCDT, a mixture of PZ, KOH and CS 2 in ratio (1 : 1 : 1) was stirred for 4 h whereas for PZbCDT, a mixture of PZ, KOH and CS 2 in ratio (1 : 2 : 2) was stirred for 3 h and the resulting precipitates were ltered off and washed with diethyl ether. [39][40][41] For PZCDT, a mixture of PZ, KOH and CS 2 in ratio (1 : 1 : 1) was stirred for 4 h whereas for PZbCDT, a mixture of PZ, KOH and CS 2 in ratio (1 : 2 : 2) was stirred for 3 h and the resulting precipitates were ltered off and washed with diethyl ether.…”

An Extended AgI Cluster‐Based Framework Solid: Silver‐Thiolate Cluster Linked Polyoxometalate Including AgI···H–C Anagostic Interactions

“…On the other hand, the existence of important C–H ··· M bonding interactions between the C–H hydrogen atom on the ligand fragment and metal centres providing agostic, anagostic or preagostic and hydrogen bonding interactions has been reported in transition metal complexes . The agostic and anagostic interactions are characterized by the M ··· H–C distances of ≈ 1.8–2.3 and 2.3–2.9 Å and the ∠M ··· H–C angles of ≈ 90–140° and 110–170°, respectively , . The weaker anagostic interactions which are considered largely electrostatic in nature and the anagostic interactions are important due to their possible involvement in the mechanism of C–H activation.…”

“…The weaker anagostic interactions which are considered largely electrostatic in nature and the anagostic interactions are important due to their possible involvement in the mechanism of C–H activation. So far, three important C–H ··· M anagostic interactions have been often encountered in Ti IV d 0 , Ru II d 6 , Rh I d 8 and group 10 metal d 8 complexes , . However, the study of C–H ··· Ag I d 10 anagostic interactions is still rarely reported in silver cluster‐based coordination framework.…”