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chemical thermodynamics of neptunium and plutonium - U.S. ...

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43Table 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 )NpO 2 F 2 (cr) (d)NpCl 3+−631.553 (b)±5.844NpCl 3 (cr) −829.811 (a) −896.800 160.400 101.850 (c)±3.237 ±3.000 ±4.000 ±4.000NpCl 3 (g) −582.357 (a) −589.000 362.800 78.500 (c)±10.822 ±10.400 ±10.000 ±5.000NpCl 4 (cr) −895.562 (a) −984.000 200.000 122.000 (c)±2.998 ±1.800 ±8.000 ±6.000NpCl 4 (g) −765.050 (a) −787.000 423.000 105.000 (c)NpCl 4 (l) (d)±5.487 ±4.600 ±10.000 ±5.000NpOCl 2 (cr) −960.645 (a) −1030.000 143.500 95.000 (c)±8.141 ±8.000 ±5.000 ±4.000NpO 2 Cl +−929.440 (b)±5.699NpO 2 ClO 4 (aq)−32.000 (c)±25.000NpBr 3 (cr, hex) −705.521 (a) −730.200 196.000 103.800 (c)±3.765 ±2.900 ±8.000 ±6.000NpBr 4 (cr) −737.843 (a) −771.200 243.000 128.000 (c)±3.495 ±1.800 ±10.000 ±4.000NpOBr 2 (cr) −906.933 (a) −950.000 160.800 98.200 (c)±11.067 ±11.000 ±4.000 ±4.000NpI 3+−552.059 (b)±6.036NpI 3 (cr) −512.498 (a) −512.400 225.000 110.000 (c)±3.715 ±2.200 ±10.000 ±8.000NpO 2 IO 3 (aq)−1036.957 (b)±5.934NpO 2 IO + 3−929.126 (b)±5.922NpSO 2+4 −1274.887 (b) −1435.522 (b) −176.635 (b)±5.809 ±9.796 ±32.277NpO 2 SO 4 (aq) −1558.666 (b) −1753.373 (b) 44.920 (b)±5.641 ±4.706 ±10.667NpO 2 SO − 4 −1654.281 (b) −1864.321 (b) 58.833 (b)±5.850 ±8.569 ±26.920Np(SO 4 ) 2 (aq) −2042.873 (b) −2319.322 (b) 7.964 (b)±6.360 ±5.871 ±18.924NpO 2 (SO 4 ) 2−2 −2310.775 (b) −2653.413 (b) 121.798 (b)±5.705 ±4.880 ±11.402(Continued on next page)

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