Extra Subroutines–Phase Properties

Purpose Subroutine

Get Gibbs energy of a phase, Method A, B, and C*

TQGMA, TQGMB and TQGMC

Get 1st partial derivative of Gibbs energy  w.r.t. site fractions.*

TQGMDY

Get mobility of a species in a phase.

TQGMOB

Set temperature and pressure for TQGMC, TQGMDY, and TQGMOB.

TQSTP

Set site fractions for TQGMB, TQGMC, TQGMDY, and TQGMOB.

TQSYF

Get index of a system species.

TQGSSPI

Check if Mobility data is available Method A and B

TQCMOBA and TQCMOBB

Get 1st and 2nd partial derivative of Gibbs energy  w.r.t. site fractions.*

TQDGYY

Get constitutional properties of a phase.*

TQGPHP

Convert mole fraction to site fraction for phases with no internal degree of freedom.*

TQX2Y

Convert 1st partial derivative of Gibbs energy  w.r.t. site fractions to that w.r.t. mole fractions.*

TQGMDX

*in SI unit for one mole of formula unit.

† Logical function.