#methane Td 1 1 1 90 90 90 1 1 .1 .1 C1 1 .00010 0.00100 .00050 H1 1 .57724 0.00000 .81850 H2 1 .57724 0.00000 -.81650 H3 1 -.57724 0.81650 .00000 H4 1 -.57724 -0.81650 .00000