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	hartrees
Energy at 0K	-377.594414
Energy at 298.15K	-377.598609
HF Energy	-376.414214
Nuclear repulsion energy	234.758644

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3746	3549	0.00
2	A_g	1901	1801	0.00
3	A_g	1510	1431	0.00
4	A_g	1276	1209	0.00
5	A_g	851	806	0.00
6	A_g	577	546	0.00
7	A_g	423	401	0.00
8	A_u	717	679	185.54
9	A_u	478	453	54.50
10	A_u	129	122	5.34
11	B_g	852	807	0.00
12	B_g	711	673	0.00
13	B_u	3751	3553	257.57
14	B_u	1908	1808	398.47
15	B_u	1390	1317	797.14
16	B_u	1242	1177	19.31
17	B_u	680	645	22.99
18	B_u	279	264	50.67

Atom	x (Å)	y (Å)
C1	-0.053	0.767
C2	0.053	-0.767
O3	1.123	1.369
O4	-1.123	-1.369
O5	-1.123	1.316
O6	1.123	-1.316
H7	1.789	0.664
H8	-1.789	-0.664

	C1	C2	O3	O4	O5	O6	H7	H8
C1		1.5382	1.3212	2.3890	1.2017	2.3920	1.8451	2.2492
C2	1.5382		2.3890	1.3212	2.3920	1.2017	2.2492	1.8451
O3	1.3212	2.3890		3.5412	2.2462	2.6846	0.9702	3.5509
O4	2.3890	1.3212	3.5412		2.6846	2.2462	3.5509	0.9702
O5	1.2017	2.3920	2.2462	2.6846		3.4591	2.9836	2.0883
O6	2.3920	1.2017	2.6846	2.2462	3.4591		2.0883	2.9836
H7	1.8451	2.2492	0.9702	3.5509	2.9836	2.0883		3.8158
H8	2.2492	1.8451	3.5509	0.9702	2.0883	2.9836	3.8158

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	O4	113.112	C1	C2	O6	121.132
C1	O3	H7	106.256	C2	C1	O3	113.112
C2	C1	O5	121.132	C2	O4	H8	106.256
O3	C1	O5	125.756	O4	C2	O6	125.756

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

using model chemistry: QCISD/6-31G(2df,p)

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: QCISD/6-31G(2df,p)

States and conformations

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