# Kolmogorov-Crespi Potential
#
# Cite as A.N. Kolmogorov & V. H. Crespi, 
# Registry-dependent interlayer potential for graphitic systems
# Physical Review B 71, 235415 (2005)
# 
#      z0     C0     C2      C4       C    delta  lambda      A     S
C  C  3.34  15.71  12.29   4.933   3.030   0.578   3.629   10.238  1.0