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	hartrees
Energy at 0K	-263.496163
Energy at 298.15K	-263.497749
HF Energy	-262.939606
Nuclear repulsion energy	141.289815

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A'	3452	3348
2	A'	3432	3329
3	A'	2134	2069
4	A'	1650	1600
5	A'	1373	1331
6	A'	1082	1049
7	A'	766	743
8	A'	681	660
9	A'	595	577
10	A'	501	486
11	A'	182	177
12	A"	762	739
13	A"	684	664
14	A"	620	601
15	A"	251	243

Atom	x (Å)	y (Å)
C1	0.000	0.488
C2	-0.224	-0.956
C3	-0.552	-2.134
O4	1.371	0.755
O5	-0.873	1.375
H6	-0.802	-3.173
H7	1.478	1.749

	C1	C2	C3	O4	O5	H6	H7
C1		1.4612	2.6790	1.3969	1.2448	3.7477	1.9431
C2	1.4612		1.2224	2.3398	2.4198	2.2910	3.1965
C3	2.6790	1.2224		3.4708	3.5234	1.0690	4.3818
O4	1.3969	2.3398	3.4708		2.3280	4.4895	0.9998
O5	1.2448	2.4198	3.5234	2.3280		4.5488	2.3803
H6	3.7477	2.2910	1.0690	4.4895	4.5488		5.4249
H7	1.9431	3.1965	4.3818	0.9998	2.3803	5.4249

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C3	173.276	C1	O4	H7	107.177
C2	C1	O4	109.884	C2	C1	O5	126.633
C2	C3	H6	177.947	O4	C1	O5	123.483

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

using model chemistry: MP4/3-21G

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: MP4/3-21G

States and conformations

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