Table 1 Symmetry, magnetic ground state and, for the Weyl node closest to the Fermi energy, position, energy (ε), degeneracy (Deg) and band index of the lower branch in the band crossing (N is the number of valence electrons).

LuCoC₂

I

−

+

NM⁴³

NM

NM

(0.362, 0.163, 0)

90

4

N − 1

0

YCoC₂

I

−

+

NM⁵⁷

NM

NM

(0.366, 0.173, 0)

61

4

N − 1

0

GdCoC₂

III

−

−

T_C = 15K³⁶

FM

FM

(0.347, 0.206, 0.171)

34

4

N − 1

15

GdNiC₂

III

−

−

T_N = 20K^34,42

FM

FM

(−1/2, 0, 0.487)

108

2

N

−21

GdRuC₂

II

+

−

T_C = 45(3)K³³

FM

FM

(0.074, 0.178, 0)

15

4

N − 2

−300

NdRhC₂

III

−

−

θ_CW ~ 0K^31,32

FM

FM

(0.393, 0.233, −0.199)

43

4

N

35

PrRhC₂

III

−

−

θ_CW ~ −13K^31,32

AFM

FM

(0, 0.158, −0.221)

9

4

N − 1

−13