See Figure 4 of https://iopscience.iop.org/article/10.1086/506245/pdf https://iopscience.iop.org/article/10.1086/506245/pdf "-Overview of phosphorus chemistry a

See Figure 4 of https://iopscience.iop.org/article/10.1086/506245/pdf https://iopscience.iop.org/article/10.1086/506245/pdf "-Overview of phosphorus chemistry as a function of temperature and pressure in a solar system composition gas."