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	hartrees
Energy at 0K	-266.529386
Energy at 298.15K	-266.534021
HF Energy	-265.725122
Nuclear repulsion energy	162.510839

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3831	3640	83.27
2	A'	3300	3136	2.67
3	A'	3242	3081	1.44
4	A'	3195	3036	2.28
5	A'	1832	1741	234.78
6	A'	1678	1595	20.34
7	A'	1464	1391	36.69
8	A'	1386	1317	47.37
9	A'	1311	1246	1.65
10	A'	1229	1168	182.68
11	A'	1040	988	75.17
12	A'	849	806	8.48
13	A'	588	558	43.96
14	A'	535	508	5.24
15	A'	288	274	0.53
16	A"	1029	978	29.21
17	A"	956	909	30.19
18	A"	819	778	34.95
19	A"	591	562	89.68
20	A"	480	457	14.75
21	A"	97	92	0.17

Atom	x (Å)	y (Å)
O1	1.335	0.333
H2	1.741	1.210
O3	-0.471	1.686
C4	0.000	0.570
C5	-0.813	-0.670
H6	-1.884	-0.499
C7	-0.290	-1.904
H8	0.783	-2.056
H9	-0.931	-2.779

	O1	H2	O3	C4	C5	H6	C7	H8	H9
O1		0.9663	2.2566	1.3558	2.3702	3.3245	2.7649	2.4514	3.8497
H2	0.9663		2.2621	1.8543	3.1706	4.0070	3.7176	3.4029	4.8012
O3	2.2566	2.2621		1.2111	2.3807	2.6020	3.5948	3.9464	4.4891
C4	1.3558	1.8543	1.2111		1.4828	2.1662	2.4914	2.7403	3.4767
C5	2.3702	3.1706	2.3807	1.4828		1.0848	1.3403	2.1137	2.1128
H6	3.3245	4.0070	2.6020	2.1662	1.0848		2.1249	3.0884	2.4717
C7	2.7649	3.7176	3.5948	2.4914	1.3403	2.1249		1.0841	1.0849
H8	2.4514	3.4029	3.9464	2.7403	2.1137	3.0884	1.0841		1.8609
H9	3.8497	4.8012	4.4891	3.4767	2.1128	2.4717	1.0849	1.8609

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C4	O3	122.972	O1	C4	C5	113.152
H2	O1	C4	104.732	O3	C4	C5	123.876
C4	C5	H6	114.162	C4	C5	C7	123.808
C5	C7	H8	120.989	C5	C7	H9	120.833
H6	C5	C7	122.029	H8	C7	H9	118.179

All results from a given calculation for C₃H₄O₂ (2-Propenoic 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 C3H4O2 (2-Propenoic acid)

using model chemistry: MP2/6-311G**

States and conformations

All results from a given calculation for C₃H₄O₂ (2-Propenoic acid)