(a1,3f16.10)
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C  2.551130084582  0.000000000000  1.889725988579
C -2.551130084582  0.000000000000  1.889725988579
H  3.495993078871  1.157216106424  0.732509882155
H  3.495993078871 -1.157216106424  3.046942095003
H -3.495993078871 -1.157216106424  0.732509882155
H -3.495993078871  1.157216106424  3.046942095003