“…Values for and for structures in the Cambridge Structural Database (Web CSD v1.1.1; Groom et al, 2016) were determined using Mercury (Macrae et al, 2008). These structures are: METHUS (Marøy, 1965), METHUS01 (Ymé n, 1983), METHUS02 (Wang et al, 1986), METHUS03 (Wang & Liao, 1989), METHUS04 (Wang & Liao, 1989), ETHUSS (Karle et al, 1967) ETHUSS01 (Wang et al, 1986), ETHUSS02 (Wang & Liao, 1989), ETHUSS03 (Wang & Liao, 1989), ETHUSS04 (Shi & Wang, 1992), ETHUSS05 (Hu, 2000), HIQJUM (Jian et al, 1999), HIQJUM01 (Yu & Wang, 2003), JECYAZ (Kumar et al, 1990), TIBFEQ (Zhai et al, 2007), ZEMPUC (Hall & Tiekink, 1995), KAZHEA (Karim et al, 2012), NELTUT (Fun et al, 2001), XEBJOF (Ajibade et al, 2012), JAXPOO (Raya et al, 2005), CAPLEK (Williams et al, 1983), CAPLEK01 (Ymé n, 1983), CAPLEK02 (Yamin et al, 1996), CAPLEK03 (Bai et al, 2010), RISNEN (Quan et al, 2008), ULOXIC (Bodige & Watson, 2003), PIPTHS (Dix & Rae, 1973), PIPTHS01 (Shi & Wang, 1992), EWESUW (Nath et al, 2016), BOMPAU (Rout et al, 1982), VOHFIH (Polyakova & Starikova, 1990), VOHFIH01 (Ivanov et al, 2003), PECWOL…”