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	hartrees
Energy at 0K	-374.955273
Energy at 298.15K	-374.959289
HF Energy	-374.235660
Nuclear repulsion energy	228.034570

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	3387	3285
2	A_g	1681	1630
3	A_g	1363	1322
4	A_g	1173	1138
5	A_g	733	711
6	A_g	550	533
7	A_g	398	386
8	A_u	701	679
9	A_u	449	436
10	A_u	161	156
11	B_g	782	759
12	B_g	697	676
13	B_u	3388	3286
14	B_u	1722	1670
15	B_u	1285	1247
16	B_u	1137	1103
17	B_u	639	620
18	B_u	253	246

Atom	x (Å)	y (Å)
C1	-0.060	0.775
C2	0.060	-0.775
O3	1.165	1.388
O4	-1.165	-1.388
O5	-1.165	1.350
O6	1.165	-1.350
H7	1.859	0.663
H8	-1.859	-0.663

	C1	C2	O3	O4	O5	O6	H7	H8
C1		1.5556	1.3694	2.4295	1.2458	2.4532	1.9225	2.3039
C2	1.5556		2.4295	1.3694	2.4532	1.2458	2.3039	1.9225
O3	1.3694	2.4295		3.6242	2.3305	2.7380	1.0040	3.6543
O4	2.4295	1.3694	3.6242		2.7380	2.3305	3.6543	1.0040
O5	1.2458	2.4532	2.3305	2.7380		3.5665	3.1016	2.1293
O6	2.4532	1.2458	2.7380	2.3305	3.5665		2.1293	3.1016
H7	1.9225	2.3039	1.0040	3.6543	3.1016	2.1293		3.9482
H8	2.3039	1.9225	3.6543	1.0040	2.1293	3.1016	3.9482

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	O4	112.164	C1	C2	O6	121.867
C1	O3	H7	107.194	C2	C1	O3	112.164
C2	C1	O5	121.867	C2	O4	H8	107.194
O3	C1	O5	125.968	O4	C2	O6	125.968

All results from a given calculation for C₂H₂O₄ (Oxalic 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 C2H2O4 (Oxalic Acid)

using model chemistry: MP4/3-21G

States and conformations

All results from a given calculation for C₂H₂O₄ (Oxalic Acid)