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     #     GUI   Heat of formation (Kcal/formula unit) Geometry        Species
                    Ref.        PM7     PM6-D3H4      PM7 PM6-D3H4 
  1978  (JSmol)              -1278.4      -1404.8           25.6       28.0   Dy Complex Sparkle (BUVXIZ01) 
  1979  (JSmol)                -156.3        -407.2           27.7       33.8   Dy Complex Sparkle (CECLIF10) 
  1980  (JSmol)                -998.7      -1119.9           16.3       24.8   Dy Complex Sparkle (FOPNAZ) 
  1981  (JSmol)                -344.4        -600.0           16.6       25.4   Dy Complex Sparkle (FUXRAR) 
  1982  (JSmol)                    62.9        -291.8           20.4       11.5   Dy Complex Sparkle (ICSD 200095) 
  1983  (JSmol)                -264.2        -540.7           23.1       24.1   Dy Complex Sparkle (QQQEMM01) 
  1984  (JSmol)                -781.6      -1145.8           16.5       23.0   Dy Complex Sparkle (ICSD 1904895)