Accuracy

fe(co)4h2   3357 Fe(CO)4H2

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    #  Species Formula
  3347 Fe(OH)2H2O2Fe
  3348 Methyl iron(III) dihydroxide (Geo)CH5O2Fe
  3349 FeCp(CO)2(CN) (ACODUR) (Geo)C8H5NO2Fe
  3350 FeCp(CO)2(CN) (ACODUR)C8H5NO2Fe
  3351 FeCp(CO)2(MECN)(+) (CPACFE) (Geo)C9H8NO2Fe
  3352 FeCp(CO)2(MECN)(+) (CPACFE)C9H8NO2Fe
  3353 Cyclobutadiene iron tricarbonyl (Geo)C7H4O3Fe
  3354 Fe(CO)3(C4H6)C7H6O3Fe
  3355 Fe(CO)4(2-) (FUZHUD) (Geo)C4O4Fe
  3356 Fe(CO)4(2-)C4O4Fe
  3357 Fe(CO)4H2 C4H2O4Fe
  3358 Fe(CO)4H2 (Geo)C4H2O4Fe
  3359 Fe(CO)4(C2H4)C6H4O4Fe
  3360 Fe(CO)4(C2H4) (Geo)C6H4O4Fe
  3361 Fe(CO)4(Acetonitrile)C6H3NO4Fe
  3362 Fe(CO)2(NO)2C2N2O4Fe
  3363 Fe(CO)2(NO)2 (Geo)C2N2O4Fe
  3364 bis(Pyridine)-tetra-aqua-iron(ii) (NEJBOT01) (Geo)C10H18N2O4Fe
  3365 FeN3O2C16H11N5O4Fe
  3366 FeN3O2 (Geo)C16H11N5O4Fe
  3367 Fe(CO)5 (FOJBOV) (Geo)C5O5Fe


ΔHf: -131.0 kcal/mol,     REF: M. W. Chase, C. A. Davies, J. R. Downey, D. R. Frurip, R. A. McDonald, A. N. Syverud, JANAF Thermochemical Tables, Third Edition, J. Phys. Chem. Ref. Data 14, Suppl. 1 (1985).
  
 SYMMETRY PULAY PM7
Fe(CO)4H2
 HR=JANAF86 H=-131.0
 
 Fe     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  C     1.77640524 +1    0.0000000 +0    0.0000000 +0     1     0     0
  C     1.77640524 +0   90.0000000 +0    0.0000000 +0     1     2     0
  C     1.77640524 +0  180.0000000 +0    0.0000000 +0     1     2     3
  C     1.77640524 +0   90.0000000 +0  180.0000000 +0     1     2     3
  O     1.15213032 +1  180.0000000 +0    0.0000000 +0     2     1     3
  O     1.15213032 +0  180.0000000 +0    0.0000000 +0     3     1     2
  O     1.15213032 +0  180.0000000 +0    0.0000000 +0     4     1     3
  O     1.15213032 +0  180.0000000 +0    0.0000000 +0     5     1     2
  H     1.56568990 +1   90.0000000 +0   90.0000000 +0     1     2     3
  H     1.56568990 +0   90.0000000 +0  -90.0000000 +0     1     2     3
 
   2  1    3    4    5
   6  1    7    8    9
  10  1   11