National Institute of Standards and Technology

Computational Chemistry Comparison and Benchmark DataBase
Release 22	May 2022
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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IV.D.3.a. (XVIII.A.3.)

Species with point groups that differ from experiment at MP2/cc-pV(T+d)Z

		Point group
Species	Name	Experimental	Calculated
MgOH	magnesium hydroxide	C∞v	Cs
CH3S	thiomethoxy	C3v	Cs
BO2	Boron dioxide	D∞h	C∞v
HCNO	fulminic acid	C∞v	Cs
CHONH2	formamide	Cs	C1
CHOCH2OH	hydroxy acetaldehyde	Cs	C1
CH3COCH3	Acetone	C2v	C2
C4H6O	Cyclobutanone	C2v	Cs
C2H4N4	1H-Tetrazole, 1-methyl-	Cs	C1
C6H5CHCH2	Styrene	Cs	C1