. 2022 Nov 7;7(45):40929–40940. doi: 10.1021/acsomega.2c03964

Table 4. Lattice Parameter a, Layer Thickness h, and Bond Lengths M–C and M–F (in Å) for M₂CF₂ (M = Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, and Yb) MXenes.

MXenes	a	h	M–C	M–F
Ce₂CF₂	3.69	6.82	2.57	2.46
Pr₂CF₂	3.68	6.77	2.56	2.43
Nd₂CF₂	3.69	6.76	2.58	2.43
Sm₂CF₂	3.71	6.71	2.60	2.41
Eu₂CF₂	3.74	6.73	2.63	2.41
Gd₂CF₂	3.65	6.65	2.53	2.41
Tb₂CF₂	3.59	6.60	2.49	2.39
Dy₂CF₂	3.56	6.58	2.48	2.37
Ho₂CF₂	3.56	6.56	2.48	2.36
Er₂CF₂	3.54	6.53	2.48	2.35
Tm₂CF₂	3.52	6.51	2.47	2.33
Yb₂CF₂	3.54	6.58	2.51	2.33

Table 4. Lattice Parameter a, Layer Thickness h, and Bond Lengths M–C and M–F (in Å) for M2CF2 (M = Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, and Yb) MXenes.