Eigenvalues:
	 -0.269748160255+0i	  0.105483668976+0i	 -0.243319327878+0i	  0.046702846673+0i	 -0.243319327878+0i	 -0.171254248549+0i	 -0.171254248549+0i	-0.0922019967588+0i	-0.0922019967588+0i	 0.0915672270411+0i	-0.00600745151281+0i	-0.00600745151281+0i	 0.0915672270411+0i	 0.0326364533602+0i	 0.0529259069766+0i	 0.0326364533602+0i	 0.0529259069766+0i

4.04968e-33
(-0.012451, 0.723399, -0.690318; 0.125000) (-0.628080, 0.270366, -0.729669; 0.125000) (0.012451, -0.723399, 0.690318; 0.125000) (0.875788, 0.341044, 0.341591; 0.125000) (-0.610471, -0.752675, 0.246587; 0.125000) (0.628080, -0.270366, 0.729669; 0.125000) (-0.875788, -0.341044, -0.341591; 0.125000) (0.610471, 0.752675, -0.246587; 0.125000) [Vs = -0.350608]
r_ab:
	               0	   0.76536686473	               2	   1.41421356237	   1.84775906502	   1.84775906502	   1.41421356237	   0.76536686473
	   0.76536686473	               0	   1.84775906502	   1.84775906502	   1.41421356237	               2	   0.76536686473	   1.41421356237
	               2	   1.84775906502	               0	   1.41421356237	   0.76536686473	   0.76536686473	   1.41421356237	   1.84775906502
	   1.41421356237	   1.84775906502	   1.41421356237	               0	   1.84775906502	   0.76536686473	               2	   0.76536686473
	   1.84775906502	   1.41421356237	   0.76536686473	   1.84775906502	               0	   1.41421356237	   0.76536686473	               2
	   1.84775906502	               2	   0.76536686473	   0.76536686473	   1.41421356237	               0	   1.84775906502	   1.41421356237
	   1.41421356237	   0.76536686473	   1.41421356237	               2	   0.76536686473	   1.84775906502	               0	   1.84775906502
	   0.76536686473	   1.41421356237	   1.84775906502	   0.76536686473	               2	   1.41421356237	   1.84775906502	               0

Eigenvalues of x.x^T (dimension = number of nonzero eigenvalues):
	-4.21446459725e-16	               4	               4