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45Table 3.1: (continued)Compound f G ◦ m f Hm ◦ Sm ◦ Cp,m◦(kJ · mol −1 ) (kJ · mol −1 ) (J · K −1 · mol −1 ) (J · K −1 · mol −1 )(NH 4 ) 4 NpO 2 (CO 3 ) 3 (s) −2850.284 (b)±6.106Np(SCN) 3+ −416.198 (b) −486.622 (b) −248.165 (b)±7.081 ±6.520 ±25.449Np(SCN) 2+2 −329.777 (b) −412.222 (b) −89.545 (b)±10.166 ±12.748 ±50.953Np(SCN) + 3 −241.072 (b) −339.822 (b) 54.707 (b)±13.541 ±15.573 ±66.304(UO 2 ) 2 NpO 2 (CO 3 ) 6−6 −6174.307 (b)±16.981Sr 3 NpO 6 (cr) −3125.800±5.900Ba 3 NpO 6 (cr) −3085.600±9.600Ba 2 MgNpO 6 (cr) −3096.900±8.200Ba 2 CaNpO 6 (cr) −3159.300±7.900Ba 2 SrNpO 6 (cr) −3122.500±7.800Li 2 NpO 4 (cr) −1828.200±5.800α − Na 2 NpO 4 −1763.800±5.700β − Na 2 NpO 4 −1748.500±6.100β − Na 4 NpO 5 −2315.400±5.700Na 2 Np 2 O 7 (cr) −2894.000±11.000Na 3 NpF 8 (cr) −3521.239 (a) −3714.000 369.000 272.250 (c)±21.305 ±21.000 ±12.000 ±12.000NaNpO 2 CO 3 (s, aged)−1764.157 (b)±6.326Na 3 NpO 2 (CO 3 ) 2 (s)−2833.333 (b)±6.839NaNpO 2 CO 3·3.5H 2 O(s, fresh) −2591.287 (b)±5.991K 2 NpO 4 (cr) −1784.300±6.400K 2 Np 2 O 7 (cr) −2932.000±11.000K 4 NpO 2 (CO 3 ) 3 (s)−3660.395 (b)±7.641(Continued on next page)

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