CCCBDB listing of experimental data page 2

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Property	Value	units	Reference
Hfg(298.15K)	11.30	kJ mol^-1	webbook
Hfg(0K)		kJ mol^-1	webbook
Entropy (298.15K)	346.55	J K^-1 mol^-1	webbook

Mode Number	Symmetry	Frequency			Intensity			Comment	Description
Mode Number	Symmetry	Fundamental(cm^-1)	Harmonic(cm^-1)	Reference	(km mol^-1)	unc.	Reference	Comment	Description
1	A	1720		webbook
2	A	1338
3	A	863
9	B	1720
10	B	1246
11	B	743
12	B	614
13	B	557
14	B	353
15	B	50

Bond Type	Count
N-O	2
N=O	4

Atom 1	Atom 2
O1	N2
O1	N3
N2	O4
N2	O6
N3	O5
N3	O7

State	Config	State description	Conf description	Exp. min.	Dipole (Debye)				Reference	comment	Point Group	Components
State	Config	State description	Conf description	Exp. min.	x	y	z	total	Reference	comment	Point Group	dipole	quadrupole
1	1	¹A^'	C_s	False							C_s	2	3
1	2	¹A	C₂	True							C₂	1	3

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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Experimental data for N2O5 (Dinitrogen pentoxide)

Experimental data for N₂O₅ (Dinitrogen pentoxide)