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	hartrees
Energy at 0K	-374.919400
Energy at 298.15K	-374.923514
HF Energy	-374.238855
Nuclear repulsion energy	229.216481

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3429	3273	0.00
2	A_g	1712	1634	0.00
3	A_g	1381	1318	0.00
4	A_g	1202	1147	0.00
5	A_g	766	731	0.00
6	A_g	566	540	0.00
7	A_g	410	392	0.00
8	A_u	704	672	302.59
9	A_u	466	445	42.79
10	A_u	164	157	2.30
11	B_g	807	771	0.00
12	B_g	700	668	0.00
13	B_u	3431	3275	182.20
14	B_u	1762	1681	122.75
15	B_u	1298	1239	775.64
16	B_u	1173	1120	83.85
17	B_u	658	628	22.22
18	B_u	262	250	59.43

Atom	x (Å)	y (Å)
C1	-0.058	0.768
C2	0.058	-0.768
O3	1.159	1.381
O4	-1.159	-1.381
O5	-1.159	1.342
O6	1.159	-1.342
H7	1.857	0.664
H8	-1.857	-0.664

	C1	C2	O3	O4	O5	O6	H7	H8
C1		1.5408	1.3623	2.4151	1.2414	2.4358	1.9179	2.2999
C2	1.5408		2.4151	1.3623	2.4358	1.2414	2.2999	1.9179
O3	1.3623	2.4151		3.6060	2.3177	2.7234	1.0012	3.6442
O4	2.4151	1.3623	3.6060		2.7234	2.3177	3.6442	1.0012
O5	1.2414	2.4358	2.3177	2.7234		3.5461	3.0911	2.1244
O6	2.4358	1.2414	2.7234	2.3177	3.5461		2.1244	3.0911
H7	1.9179	2.2999	1.0012	3.6442	3.0911	2.1244		3.9448
H8	2.2999	1.9179	3.6442	1.0012	2.1244	3.0911	3.9448

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	O4	112.445	C1	C2	O6	121.834
C1	O3	H7	107.496	C2	C1	O3	112.445
C2	C1	O5	121.834	C2	O4	H8	107.496
O3	C1	O5	125.721	O4	C2	O6	125.721

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

using model chemistry: MP2/3-21G

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: MP2/3-21G

States and conformations

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