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	hartrees
Energy at 0K	-374.906855
Energy at 298.15K	-374.910951
HF Energy	-374.244019
Nuclear repulsion energy	230.153547

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3512	3415	0.00
2	A_g	1823	1772	0.00
3	A_g	1395	1357	0.00
4	A_g	1231	1196	0.00
5	A_g	783	761	0.00
6	A_g	569	553	0.00
7	A_g	417	405	0.00
8	A_u	656	638	326.50
9	A_u	470	457	48.42
10	A_u	158	154	2.11
11	B_g	809	786	0.00
12	B_g	651	633	0.00
13	B_u	3513	3416	147.16
14	B_u	1849	1798	179.25
15	B_u	1318	1282	751.39
16	B_u	1193	1160	129.80
17	B_u	671	652	23.66
18	B_u	266	259	55.66

Atom	x (Å)	y (Å)
C1	-0.058	0.768
C2	0.058	-0.768
O3	1.148	1.394
O4	-1.148	-1.394
O5	-1.148	1.329
O6	1.148	-1.329
H7	1.866	0.704
H8	-1.866	-0.704

	C1	C2	O3	O4	O5	O6	H7	H8
C1		1.5412	1.3588	2.4219	1.2264	2.4198	1.9245	2.3316
C2	1.5412		2.4219	1.3588	2.4198	1.2264	2.3316	1.9245
O3	1.3588	2.4219		3.6122	2.2978	2.7232	0.9953	3.6723
O4	2.4219	1.3588	3.6122		2.7232	2.2978	3.6723	0.9953
O5	1.2264	2.4198	2.2978	2.7232		3.5134	3.0783	2.1560
O6	2.4198	1.2264	2.7232	2.2978	3.5134		2.1560	3.0783
H7	1.9245	2.3316	0.9953	3.6723	3.0783	2.1560		3.9881
H8	2.3316	1.9245	3.6723	0.9953	2.1560	3.0783	3.9881

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	O4	113.107	C1	C2	O6	121.515
C1	O3	H7	108.698	C2	C1	O3	113.107
C2	C1	O5	121.515	C2	O4	H8	108.698
O3	C1	O5	125.378	O4	C2	O6	125.378

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

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

States and conformations

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