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	hartrees
Energy at 0K	-374.812444
Energy at 298.15K	-374.816654
HF Energy	-374.248301
Nuclear repulsion energy	232.087297

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3646	3396	0.00
2	A_g	1897	1767	0.00
3	A_g	1432	1334	0.00
4	A_g	1268	1181	0.00
5	A_g	815	759	0.00
6	A_g	585	545	0.00
7	A_g	429	399	0.00
8	A_u	676	630	361.96
9	A_u	492	458	56.29
10	A_u	160	149	3.16
11	B_g	849	790	0.00
12	B_g	672	626	0.00
13	B_u	3646	3397	216.26
14	B_u	1918	1787	280.93
15	B_u	1337	1246	883.50
16	B_u	1242	1157	73.62
17	B_u	695	647	24.70
18	B_u	272	253	60.21

Atom	x (Å)	y (Å)
C1	-0.056	0.765
C2	0.056	-0.765
O3	1.139	1.381
O4	-1.139	-1.381
O5	-1.139	1.317
O6	1.139	-1.317
H7	1.864	0.714
H8	-1.864	-0.714

	C1	C2	O3	O4	O5	O6	H7	H8
C1		1.5347	1.3437	2.4039	1.2153	2.4009	1.9205	2.3360
C2	1.5347		2.4039	1.3437	2.4009	1.2153	2.3360	1.9205
O3	1.3437	2.4039		3.5795	2.2780	2.6983	0.9857	3.6609
O4	2.4039	1.3437	3.5795		2.6983	2.2780	3.6609	0.9857
O5	1.2153	2.4009	2.2780	2.6983		3.4824	3.0626	2.1567
O6	2.4009	1.2153	2.6983	2.2780	3.4824		2.1567	3.0626
H7	1.9205	2.3360	0.9857	3.6609	3.0626	2.1567		3.9919
H8	2.3360	1.9205	3.6609	0.9857	2.1567	3.0626	3.9919

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	O4	113.096	C1	C2	O6	121.188
C1	O3	H7	110.125	C2	C1	O3	113.096
C2	C1	O5	121.188	C2	O4	H8	110.125
O3	C1	O5	125.716	O4	C2	O6	125.716

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

using model chemistry: CID/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: CID/3-21G

States and conformations

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