PSF CHEQ EXT XPLOR 1 !NTITLE 6 !NATOM 1 SYS 1 MOL C1 C2LTU -0.070100 12.0100 2 SYS 1 MOL C2 C2LTU -0.070000 12.0100 3 SYS 1 MOL Cl1 CLLTU -0.094900 35.4500 4 SYS 1 MOL Cl2 CLLTU -0.094900 35.4500 5 SYS 1 MOL H1 H4LTU 0.165000 1.0080 6 SYS 1 MOL H2 H4LTU 0.165000 1.0080 5 !NBOND: bonds 1 2 1 4 2 3 1 5 2 6 6 !NTHETA: angles 1 2 3 2 1 4 1 2 6 2 1 5 3 2 6 4 1 5 4 !NPHI: dihedrals 4 1 2 3 5 1 2 3 4 1 2 6 5 1 2 6 2 !NIMPHI: impropers 5 1 4 2 1 3 2 6 0 !NDON: donors 0 !NACC: acceptors 0 !NNB 0 0 0 0 0 0 1 0 !NGRP NST2 0 2 0 1 !MOLNT 1 1 1 1 1 1 0 0 !NUMLP NUMLPH 0 !NCRTERM: cross-terms