CoCuGaNiZn_2x2_CO: 5.71**2 * RBF(length_scale=15.5) + WhiteKernel(noise_level=0.00535)
CoCuGaNiZn_2x2_H_fcc: 5.68**2 * RBF(length_scale=20.2) + WhiteKernel(noise_level=0.0041)
CoCuGaNiZn_2x2_H_hcp: 9.81**2 * RBF(length_scale=32.7) + WhiteKernel(noise_level=0.00333)
AgAuCuPdPt_2x2_CO: 8.67**2 * RBF(length_scale=26.3) + WhiteKernel(noise_level=0.00293)
AgAuCuPdPt_2x2_H_fcc: 30.8**2 * RBF(length_scale=136) + WhiteKernel(noise_level=0.00627)
AgAuCuPdPt_2x2_H_hcp: 10.7**2 * RBF(length_scale=46) + WhiteKernel(noise_level=0.00354)
