Email Record: Theoretical prediction of the heats of formation, densities, and relative sensitivities for 2-(azidomethyl)-2-nitropropane-1,3-diyl dinitrate (AMDNNM), bis-aminofurazan diamino-octanitro-azobenzene (BAFDAONAB), and bis-nitrofurazan diamino-octanitro-azobenzene (BNFDAONAB) /