National Institute of Standards and Technology

Computational Chemistry Comparison and Benchmark DataBase
Release 19	April 2018
NIST Standard Reference Database 101

I	Introduction
II	Experimental data
III	Calculated data
IV	Data comparisons
V	Cost comparisons
VI	Input and output files
VII	Tutorials and Units
VIII	Links to other sites
IX	Feedback
X	Older CCCBDB versions
XII	Geometries
XIII	Vibrations
XIV	Reaction data
XV	Entropy data
XVI	Bibliographic data
XVII	Ion data
XVIII	Bad calculations
XIX	Index of properties
XX	H-bond dimers
XXI	Oddities

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XIV.K.1. (III.G.4.)

Transition State Energies for N₂O + H = N₂ + OH

Click on an entry for additional details

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Energies in kJ/mol relative to reactant

Methods with predefined basis sets

semi-empirical	PM3	39.4

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Energies in kJ/mol relative to reactant

Methods with standard basis sets

		6-31G*	6-31+G**
hartree fock	HF	0.4	142.5
		6-31G*	6-31+G**

For descriptions of the methods (AM1, HF, MP2, ...) and basis sets (3-21G, 3-21G*, 6-31G, ...) see the glossary in section I.C. Predefined means the basis set used is determined by the method.