CCCBDB listing of experimental data page 2

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Property	Value	Uncertainty	units	Reference
Hfg(298.15K)	107.65	2.43	kJ mol^-1	webbook
Hfg(0K)		2.43	kJ mol^-1	webbook
Entropy (298.15K)			J K^-1 mol^-1
Integrated Heat Capacity (0 to 298.15K)			kJ mol^-1
Heat Capacity (298.15K)	119.65		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'	2972		2002Bel/Zhu:135
2	A'	2955		2002Bel/Zhu:135
3	A'	2931		2002Bel/Zhu:135
4	A'	2919		2002Bel/Zhu:135
5	A'	2903		2002Bel/Zhu:135
6	A'	2880		2002Bel/Zhu:135
7	A'	2188		2002Bel/Zhu:135
8	A'	1462		2002Bel/Zhu:135
9	A'	1447		2002Bel/Zhu:135
10	A'	1435		2002Bel/Zhu:135
11	A'	1450		2002Bel/Zhu:135
12	A'	1390		2002Bel/Zhu:135
13	A'	1382		2002Bel/Zhu:135
14	A'	1348		2002Bel/Zhu:135
15	A'	1282		2002Bel/Zhu:135
16	A'	1135		2002Bel/Zhu:135
17	A'	1097		2002Bel/Zhu:135
18	A'	1036		2002Bel/Zhu:135
19	A'	1032		2002Bel/Zhu:135
20	A'	893		2002Bel/Zhu:135
21	A'	739		2002Bel/Zhu:135
22	A'	478		2002Bel/Zhu:135
23	A'	359		2002Bel/Zhu:135
24	A'	272		2002Bel/Zhu:135
25	A'	115		2002Bel/Zhu:135
26	A"	2972		2002Bel/Zhu:135
27	A"	2995		2002Bel/Zhu:135
28	A"	2942		2002Bel/Zhu:135
29	A"	2937		2002Bel/Zhu:135
30	A"	1453		2002Bel/Zhu:135
31	A"	1450		2002Bel/Zhu:135
32	A"	1394		2002Bel/Zhu:135
33	A"	1231		2002Bel/Zhu:135
34	A"	1091		2002Bel/Zhu:135
35	A"	1032		2002Bel/Zhu:135
36	A"	866		2002Bel/Zhu:135
37	A"	740		2002Bel/Zhu:135
38	A"	392		2002Bel/Zhu:135
39	A"	238		2002Bel/Zhu:135
40	A"	220		2002Bel/Zhu:135
41	A"	88		2002Bel/Zhu:135
42	A"			2002Bel/Zhu:135				free rotor

Bond Type	Count
H-C	10
C-C	4
C#C	1

Atom 1	Atom 2
C1	C5
C1	H7
C1	H9
C1	H10
C2	C6
C2	H8
C2	H15
C2	H16
C3	C4
C3	C5
C3	H13
C3	H14
C4	C6
C5	H11
C5	H12

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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Atom 1	Atom 2
C1	C5
C1	H7
C1	H9
C1	H10
C2	C6
C2	H8
C2	H15
C2	H16
C3	C4
C3	C5
C3	H13
C3	H14
C4	C6
C5	H11
C5	H12

Atom 1	Atom 2
C1	C5
C1	H7
C1	H9
C1	H10
C2	C6
C2	H8
C2	H15
C2	H16
C3	C4
C3	C5
C3	H13
C3	H14
C4	C6
C5	H11
C5	H12

Experimental data for C6H10 (2-Hexyne)

Experimental data for C₆H₁₀ (2-Hexyne)

Atom 1	Atom 2
C1	C5
C1	H7
C1	H9
C1	H10
C2	C6
C2	H8
C2	H15
C2	H16
C3	C4
C3	C5
C3	H13
C3	H14
C4	C6
C5	H11
C5	H12