CaMnO₃

HSE

GGA

LDA

J₁(meV)

−2.0128

−3.4640

−8.7378

J₂(meV)

−2.5739

−4.4364

−10.5128

J₃(meV)

−0.3321

−0.7465

−1.4311

T_N(K)

87

174

290