Table 1 Summary of crystallographic parameters of La2O2Sx series (1 ≤ x ≤ 2.0).

From: Design of metastable oxychalcogenide phases by topochemical (de)intercalation of sulfur in La2O2S2

Compounds

Source

Space group

a (Å)

b (Å)

c (Å)

S–S distance (Å)

La2O2S2

Ostorero et al18.

Cmca

13.215(2)

5.943(1)

5.938(1)

2.103

hP-La2O2S

Morosin et al21.

P\(\bar{3}\)m1

4.049(1)

-

6.939(2)

4.049

oA-La2O2S

This study

Amm2

4.148(9)

3.975(1)

12.728(0)

3.975(1)

oA-La2O2S1.5

This study

Amm2

8.4759(5)

4.0307(1)

12.853(0)

2.30(6)

  1. All of the indicated values were obtained from refinement of a respective XRD pattern.
Back to article page