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This is Test                : ElasticConstantsFirstStrainGradientNumerical_fcc_Cu__TE_948689877911_000
Results for KIM Model       : LennardJones612_UniversalShifted__MO_959249795837_002
Crystal strucutre           : fcc
Species                     : Cu
 Relaxing the crystal to its equilibrium lattice constant
 --------------------------------------------------------
     Lattice spacing                energy
             7.05592              -0.56415
             2.35197            2706.07894
             5.87993              -1.74729
             3.52796             -16.38695
             2.35197            2706.07894
             2.35197            2706.07894
             4.11595             -12.21660
             2.93997              95.55023
             3.82196             -15.81290
             3.23396               0.44629
             3.67496             -16.92668
             3.82196             -15.81290
             3.60146             -16.96332
             3.52796             -16.38695
             3.63821             -17.00652
             3.67496             -16.92668
             3.61983             -17.00198
             3.65658             -16.98037
             3.62902             -17.00829
             3.61983             -17.00198
             3.63361             -17.00839
             3.63821             -17.00652
             3.63132             -17.00859
             3.62902             -17.00829
             3.63247             -17.00855
             3.63017             -17.00851
             3.63189             -17.00859
             3.63074             -17.00856
             3.63160             -17.00859
             3.63189             -17.00859
             3.63146             -17.00859
             3.63175             -17.00859
             3.63153             -17.00859
             3.63146             -17.00859
             3.63157             -17.00859
             3.63150             -17.00859
             3.63155             -17.00859
             3.63151             -17.00859
             3.63154             -17.00859
             3.63155             -17.00859
             3.63154             -17.00859
             3.63153             -17.00859
             3.63154             -17.00859
             3.63153             -17.00859
             3.63154             -17.00859
             3.63154             -17.00859
             3.63154             -17.00859
             3.63154             -17.00859
             3.63154             -17.00859
             3.63154             -17.00859
             3.63154             -17.00859
             3.63154             -17.00859
             3.63154             -17.00859
             3.63154             -17.00859
             3.63154             -17.00859
             3.63154             -17.00859
             3.63154             -17.00859
             3.63154             -17.00859
             3.63154             -17.00859
Equilibrium lattice spacing :    3.6315376958