function molecule(::Molecule"phosphaethene")
  return """
C	0.0566650	1.0803320	0.0000000
P	0.0566650	-0.6006730	0.0000000
H	-0.8348350	1.6951630	0.0000000
H	1.0025300	1.6111320	0.0000000
H	-1.3576590	-0.7781910	0.0000000
  """
end
