Accuracy

oxamic acid   1338 Oxamic acid

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    #  Species Formula
  1328 2,3-Butanediol, 2,3-dimethyl-, monoformateC7H14O3
  1329 Trimethoxymethyl benzeneC10H14O3
  1330 1-tert-Butoxy-3-propoxy-2-propanolC10H22O3
  1331 1-Butoxy-3-tert-butyl-2-propanolC11H24O3
  1332 Benzoic acid, anhydrideC14H10O3
  1333 Nitrate radicalNO3
  1334 Nitrate anionNO3
  1335 Nitric acid (Geo)HNO3
  1336 Nitric acidHNO3
  1337 Methyl nitrateCH3NO3
  1338 Oxamic acid C2H3NO3
  1339 Ethyl nitrateC2H5NO3
  1340 SerineC3H7NO3
  1341 2-NitrofuranC4H3NO3
  1342 ThreonineC4H9NO3
  1343 m-NitrophenolC6H5NO3
  1344 o-NitrophenolC6H5NO3
  1345 p-NitrophenolC6H5NO3
  1346 TyrosineC9H11NO3
  1347 Dinitrogen trioxideN2O3
  1348 Dinitrogen trioxide (Geo)N2O3


ΔHf: -132.0 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
Oxamic acid
 H=-132 HR=NIST
  N     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  C     1.37244004 +1    0.0000000 +0    0.0000000 +0     1     0     0
  C     1.53026804 +1  112.6568435 +1    0.0000000 +0     2     1     0
  O     1.33955349 +1  111.4121696 +1  179.8579287 +1     3     2     1
  O     1.20598305 +1  122.8932795 +1 -179.9960702 +1     2     1     3
  O     1.20359956 +1  125.3945524 +1  179.9711997 +1     3     2     4
  H     1.00250395 +1  122.2553306 +1    0.0232591 +1     1     2     3
  H     1.00150336 +1  120.2265062 +1  179.9591887 +1     1     2     7
  H     0.99778222 +1  113.0400864 +1  179.9836354 +1     4     3     2