GAVs for calculation of enthalpies of vaporization of metal β-diketonates at 298.15 K (in kJ mol⁻¹).

GAV
C-(C)(H)3 or [CH3]	5.65
C–(C)2(H)2	4.98
C–(C)3(H)	3.01
C–(C)4	0.01
C–(C)2(H)2 (cyclic)	5.5a
O–(C)2 (cyclic)	7.9
C–(O)(H)(C)2(cyclic)	0.62
C–(O)2(H)2 (cyclic)	8.7a
CF3	3.8b
C6H5	31.6b
C(CH3)3	13.6b
[1,2,3-CH3]	3.0c
Fe	4.4d
Ca–(H)	5.65
Ca–(C)	4.10

^aParametrization is presented in Fig. 7.

^bParametrization is presented in Fig. 10.

^cParametrization is presented in Fig. 11.

^dParametrization is presented in Fig. 9.