CCCBDB listing of experimental data page 2

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Property	Value	Uncertainty	units	Reference
Hfg(298.15K)	-31.10	1.26	kJ mol^-1	TRC
Hfg(0K)	-4.60	1.26	kJ mol^-1	TRC
Entropy (298.15K)	343.20		J K^-1 mol^-1	TRC
Integrated Heat Capacity (0 to 298.15K)	21.08		kJ mol^-1	TRC
Heat Capacity (298.15K)	108.90		J K^-1 mol^-1	webbook

Description	Value	unc.	Connectivity				Reference	Comment
Description	Value	unc.	Atom 1	Atom 2	Atom 3	Atom 4	Reference	Comment
rCC	1.484		4	11			1987Kuchitsu(II/15)	next to =
rCC	1.334		2	4			1987Kuchitsu(II/15)
rCC	1.576		11	15			1987Kuchitsu(II/15)	end C
rCH	1.082		1	2			1987Kuchitsu(II/15)
aCCC	125.4		4	2	8		1987Kuchitsu(II/15)
aCCC	115.6		4	11	15		1987Kuchitsu(II/15)
aHCC	112.7		2	1	5		1987Kuchitsu(II/15)
aHCC	129		1	2	4		1987Kuchitsu(II/15)
dCCCH	60		4	11	15	14	1987Kuchitsu(II/15)	to end H

Bond Type	Count
H-C	10
C-C	3
C=C	1

Atom 1	Atom 2
H1	C2
C2	C4
C2	C8
H3	C4
C4	C11
H5	C8
H6	C8
H7	C8
H9	C11
H10	C11
C11	C15
H12	C15
H13	C15
H14	C15

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	True							C_s	2	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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You are here: Experimental > One molecule all properties

Atom 1	Atom 2
H1	C2
C2	C4
C2	C8
H3	C4
C4	C11
H5	C8
H6	C8
H7	C8
H9	C11
H10	C11
C11	C15
H12	C15
H13	C15
H14	C15

squib	reference	DOI
1987Kuchitsu(II/15)	Kuchitsu (ed.), Landolt-Bornstein: Group II: Atomic and Molecular Physics Volume 15: Structure Data of Free Polyatomic Molecules. Springer-Verlag, Berlin, 1987.
1998Gus/Rui:163	M Gussoni, R Rui, G Zerbi "Electronic and relaxation contribution to linear molecular polarizability. An analysis of the experimental values" J. Mol. Struct. 447 (1998) 163-215	10.1016/S0022-2860(97)00292-5
TRC	Frenkel, M; Marsh, K.N.; Wilhoit, R.C.; Kabo, G.J.; Roganov, G.N.,Thermodynamics of Organic Compounds in the Gas State,Thermodynamics Research Center, College Station, TX, 1994
webbook	NIST Chemistry Webbook (http://webbook.nist.gov/chemistry)	10.18434/T4D303

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Atom 1	Atom 2
H1	C2
C2	C4
C2	C8
H3	C4
C4	C11
H5	C8
H6	C8
H7	C8
H9	C11
H10	C11
C11	C15
H12	C15
H13	C15
H14	C15

Experimental data for C5H10 (2-Pentene, (E)-)

Experimental data for C₅H₁₀ (2-Pentene, (E)-)

Atom 1	Atom 2
H1	C2
C2	C4
C2	C8
H3	C4
C4	C11
H5	C8
H6	C8
H7	C8
H9	C11
H10	C11
C11	C15
H12	C15
H13	C15
H14	C15