CCCBDB listing of experimental data page 2

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Property	Value	Uncertainty	units	Reference
Hfg(298.15K)	-202.15	1.72	kJ mol^-1	webbook
Hfg(0K)		1.72	kJ mol^-1	webbook
Entropy (298.15K)			J K^-1 mol^-1
Integrated Heat Capacity (0 to 298.15K)			kJ mol^-1

Bond Type	Count
H-C	8
C-C	3
C-Cl	2

Atom 1	Atom 2
C1	C2
C1	C3
C1	Cl5
C1	H7
C2	C4
C2	Cl6
C2	H8
C3	H9
C3	H11
C3	H13
C4	H10
C4	H12
C4	H14

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	C₂	True							C₂	1	3

State	Config	State description	Conf description	Exp. min.	Quadrupole (D Å)			Reference	comment	Point Group	Components
State	Config	State description	Conf description	Exp. min.	xx	yy	zz	Reference	comment	Point Group	dipole	quadrupole
1	1	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 C4H8Cl2 (Butane, 2,3-dichloro-, (r*,r*)-(.+/-.)-)

Experimental data for C₄H₈Cl₂ (Butane, 2,3-dichloro-, (r,r)-(.+/-.)-)