Fig. 1: Experimental and calculated crystal structures of the H2CO3 phases. | Communications Chemistry

Fig. 1: Experimental and calculated crystal structures of the H2CO3 phases.

From: Synthesis and characterization of crystalline polymeric carbonic acid (H2CO3) with sp3-hybridized carbon at elevated pressures

Fig. 1

a Experimental crystal structure of H2CO3-P21/n (≈8 GPa) from single crystal X-ray diffraction8. b Experimental crystal structure of deuterated H2CO3-P21/c (≈2 GPa)5. Predicted crystal structures of: c H2CO3-Pnma (1 GPa)6, d the low-pressure phase of H2CO3-Cmc21 (100 GPa)6 and e the high-pressure phase of H2CO3-Cmc21(400 GPa)6.

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