def METHOD_NAME(self):
    myx2c = scf.RHF(mol).sfx2c1e()
    myx2c.with_x2c.xuncontract = False
    e = myx2c.kernel()
    self.assertAlmostEqual(e, -76.081765429967618, 9)
    myx2c.with_x2c.xuncontract = True
    e = myx2c.kernel()
    self.assertAlmostEqual(e, -76.075429077955874, 9)
    myx2c.with_x2c.approx = 'ATOM1E'
    e = myx2c.kernel()
    self.assertAlmostEqual(e, -76.075429682026396, 9)