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	hartrees
Energy at 0K	-377.165808
Energy at 298.15K	-377.170045
HF Energy	-376.368439
Nuclear repulsion energy	235.387687

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3828	3544	0.00
2	A_g	2002	1853	0.00
3	A_g	1580	1463	0.00
4	A_g	1316	1218	0.00
5	A_g	890	824	0.00
6	A_g	597	553	0.00
7	A_g	442	409	0.00
8	A_u	708	655	259.13
9	A_u	489	453	81.44
10	A_u	124	115	6.68
11	B_g	842	780	0.00
12	B_g	697	645	0.00
13	B_u	3831	3546	313.49
14	B_u	2001	1853	526.16
15	B_u	1434	1328	959.10
16	B_u	1294	1198	7.24
17	B_u	707	654	28.02
18	B_u	293	271	52.24

Atom	x (Å)	y (Å)
C1	-0.050	0.765
C2	0.050	-0.765
O3	1.117	1.371
O4	-1.117	-1.371
O5	-1.117	1.309
O6	1.117	-1.309
H7	1.812	0.696
H8	-1.812	-0.696

	C1	C2	O3	O4	O5	O6	H7	H8
C1		1.5331	1.3148	2.3872	1.1971	2.3793	1.8634	2.2886
C2	1.5331		2.3872	1.3148	2.3793	1.1971	2.2886	1.8634
O3	1.3148	2.3872		3.5362	2.2343	2.6794	0.9690	3.5844
O4	2.3872	1.3148	3.5362		2.6794	2.2343	3.5844	0.9690
O5	1.1971	2.3793	2.2343	2.6794		3.4406	2.9921	2.1216
O6	2.3793	1.1971	2.6794	2.2343	3.4406		2.1216	2.9921
H7	1.8634	2.2886	0.9690	3.5844	2.9921	2.1216		3.8819
H8	2.2886	1.8634	3.5844	0.9690	2.1216	2.9921	3.8819

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	O4	113.688	C1	C2	O6	120.766
C1	O3	H7	108.406	C2	C1	O3	113.688
C2	C1	O5	120.766	C2	O4	H8	108.406
O3	C1	O5	125.546	O4	C2	O6	125.546

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

using model chemistry: CISD/6-31G*

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: CISD/6-31G*

States and conformations

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