A new low global warming potential (GWP) fluid hydrochlorofluoroolefin trans-isomer of 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd(E)) has been developed in our laboratory. HCFO-1233zd(E) has a very short atmospheric lifetime of 26 days and a global warming potential (GWP) of less than 5 (Wong et al., http://www.honeywell-solsticelba.com. product-info/environmental-regulatory/#atmospheric-impact, 2012). This makes it an excellent environmentally friendly candidate for many applications including refrigeration, foam expansion agents, and as solvents. In this work we have presented our measurements of physical properties like the boiling point, critical temperature, vapor pressure, liquid density, and surface tension of HCFO-1233zd(E). We have also provided our calculated ideal gas heat capacity at constant pressure using quantum mechanical theory. Temperature-dependent properties are correlated with standard forms of equations and described in the paper.

A comprehensive experimental Investigation of the Isothermal and Isochorlc P-V-T properties of pure propane (99.998 mol %) covered the ranges 258.15-623.15 K, 0.8-12.5 mol dm"3, and 0-400 bar. Measurements on the compressed single-phase fluid and the vapor-liquid, two-phase region were used to derive vapor pressures, critical constants (Pc = 42.4709 bar, pc = 4.955 mol dm"3, Te = 389.85 K), P-V-T relations for the vapor and liquid branches of the coexistence envelope, and vlrial coefficients (S0, C0, 0O).

Crystal Structures of (C6Fs)4Sn and (C6F5)4GeRegistry No. [(C6H.)3P]AuC1, 14243-64-2; (C6HS)3P, 603-35-0;[(C6H,)sP],Aua-'/.C,H" 49788-36-5. Supplementary Material Available. Table VI, a listing of structure factor amplitudes, will appear following these pages in the microfilm edition of this volume of the journal. Photocopies of the sup-

The phase-out of CFC production and further regulations on

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