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	hartrees
Energy at 0K	-265.267831
Energy at 298.15K	-265.269407
HF Energy	-264.488657
Nuclear repulsion energy	144.114358

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3763	3576	80.32
2	A'	3486	3313	51.12
3	A'	2152	2045	65.09
4	A'	1815	1725	288.27
5	A'	1393	1323	73.92
6	A'	1214	1154	403.09
7	A'	833	791	31.72
8	A'	639	607	39.01
9	A'	591	562	2.44
10	A'	538	511	26.86
11	A'	186	177	4.89
12	A"	781	742	77.51
13	A"	630	598	2.10
14	A"	581	552	124.02
15	A"	243	231	5.10

Atom	x (Å)	y (Å)
C1	0.000	0.493
C2	-0.222	-0.940
C3	-0.461	-2.134
O4	1.314	0.790
O5	-0.882	1.322
H6	-0.733	-3.165
H7	1.375	1.758

	C1	C2	C3	O4	O5	H6	H7
C1		1.4496	2.6670	1.3477	1.2105	3.7302	1.8687
C2	1.4496		1.2180	2.3141	2.3560	2.2829	3.1354
C3	2.6670	1.2180		3.4215	3.4814	1.0659	4.3039
O4	1.3477	2.3141	3.4215		2.2598	4.4538	0.9700
O5	1.2105	2.3560	3.4814	2.2598		4.4891	2.2984
H6	3.7302	2.2829	1.0659	4.4538	4.4891		5.3555
H7	1.8687	3.1354	4.3039	0.9700	2.2984	5.3555

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C3	177.489	C1	O4	H7	106.322
C2	C1	O4	111.580	C2	C1	O5	124.417
C2	C3	H6	176.564	O4	C1	O5	124.004

All results from a given calculation for C₃H₂O₂ (Propiolic acid)

using model chemistry: MP2/6-311G*

States and conformations

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for C3H2O2 (Propiolic acid)

using model chemistry: MP2/6-311G*

States and conformations

All results from a given calculation for C₃H₂O₂ (Propiolic acid)