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Tabella 1.6 Dati cristallografici per polimorfi del C2S<br />

Polimorfo<br />

Parametri di cella (nm)<br />

a b c Angolo<br />

Gruppo<br />

spaziale<br />

α 0.5579 0.7150 γ = 120° P63/mmc<br />

α ' H 0.949 0.559 0.685 Pcmn<br />

α ' L 2.0871 0.9496 0.5600 Pna2I<br />

β 0.5502 0.6745 0.9297 β = 94.59° P2I/n<br />

γ 0.5081 1.1224 0.6778 Pbnm<br />

Figura 1.9 Struttura cristallina dei polimorfi del C2S. [Taylor, 1997]

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