Table 1 Structural refinements
From: Charge-density-wave quantum critical point under pressure in 2H-TaSe2
Hexagonal | Hexagonal | HexagonalCDW | Hexagonal | Hexagonal | |
|---|---|---|---|---|---|
Pressure (GPa) | 0.3 | 0.3 | 0.3 | 15.3 | 15.5 |
Temperature (K) | 150 | 40 | 40 | 40 | 80 |
Space group | \(P{6}_{3}/{mmc}\) | ||||
\(a({{\text{\AA}}})\) | 3.42621(9) | 3.42441(9) | 10.27599(14) | 3.2961(2) | 3.29460(15) |
\(b({{\text{\AA}}})\) | 3.42621(9) | 3.42441(9) | 10.27599(14) | 3.2961(2) | 3.29460(15) |
\(c({{\text{\AA}}})\) | 12.579(7) | 12.574 (7) | 12.569(3) | 11.383(14) | 11.362(9) |
\({V}^{3}\left({{\text\AA} }^{3}\right)\) | 127.88(7) | 127.70(7) | 1149.4(3) | 107.10(14) | 106.81(9) |
\(\alpha\)(°) | 90 | ||||
\(\beta\)(°) | 90 | ||||
\(\gamma\)(°) | 120 | ||||
\({R}_{{{\mathrm{int}}}}\) (%) | 1.9 | 3.1 | 2.3 | 2.4 | 5.2 |
\({R}_{1}\)/wR2 (%) | 1.36/1.55 | 1.44/1.54 | 2.17/2.63 | 1.84/1.88 | 3.78/4.77 |
