Accuracy

1,3,5,7-tetroxane   1379 1,3,5,7-Tetroxane

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    #  Species Formula
  1369 Li(I)(H2O)4(+) (BADTUV10)H8LiO4
  1370 B(OH)4, anion (Geo)H4BO4
  1371 TetrahydroxydiboraneH4B2O4
  1372 Oxalic acidC2H2O4
  1373 Formic acid, dimer (Geo)C2H4O4
  1374 Formic acid, dimerC2H4O4
  1375 DioxybismethanolC2H6O4
  1376 (C2H4)BO4H2, anion (Geo)H6BC2O4
  1377 1,4-Dioxan-2,5-dioneC4H4O4
  1378 Dimethyl oxalateC4H6O4
  1379 1,3,5,7-Tetroxane C4H8O4
  1380 Dimethyl malonateC5H8O4
  1381 Ethylmalonic acidC5H8O4
  1382 Methylene diacetateC5H8O4
  1383 TetramethoxymethaneC5H12O4
  1384 1,1-DiacetoxyethaneC6H10O4
  1385 Dimethyl methylmalonateC6H10O4
  1386 2,2-DiacetoxypropaneC7H12O4
  1387 Diethyl malonateC7H12O4
  1388 Dimethyl dimethylmalonateC7H12O4
  1389 3,5,7,9-TetraoxyundecaneC7H16O4


ΔHf: -148.2 kcal/mol,     REF: NIST Chemistry WebBook, NIST Standard Reference Database, No. 69; W. G. Mallard, P. J. Linstrom, Eds., National Institute of Standards and Technology, Gaithersberg, http://webbook.nist.gov/chemistry.
  
 PM7
1,3,5,7-Tetroxane
 H=-148.24 HR=NIST
  C     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  O     1.39876150 +1    0.0000000 +0    0.0000000 +0     1     0     0
  C     1.39859903 +1  118.6938344 +1    0.0000000 +0     2     1     0
  O     1.39880431 +1  112.5265290 +1  -88.5112435 +1     3     2     1
  C     1.39862805 +1  118.5822898 +1   88.0727226 +1     4     3     2
  O     1.39830403 +1  112.5490489 +1  -88.2894415 +1     5     4     3
  C     1.39853680 +1  118.7274145 +1   88.7143412 +1     6     5     4
  O     1.39800266 +1  112.6020706 +1   88.5292190 +1     1     2     3
  H     1.10120037 +1  112.1010163 +1  -39.1014718 +1     1     2     3
  H     1.11245165 +1  102.3398851 +1 -162.3543034 +1     1     2     3
  H     1.11205562 +1  102.4009332 +1  162.1921000 +1     3     2     1
  H     1.10123733 +1  112.1712595 +1   38.9190735 +1     3     2     1
  H     1.11240876 +1  102.3530816 +1  162.5124296 +1     5     4     3
  H     1.10131353 +1  112.1231541 +1   39.3150956 +1     5     4     3
  H     1.11229053 +1  102.3916642 +1  162.6397655 +1     7     6     5
  H     1.10109097 +1  112.1379447 +1   39.3234673 +1     7     6     5