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	hartrees
Energy at 0K	-226.908788
Energy at 298.15K
HF Energy	-226.466448
Nuclear repulsion energy	99.491934

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)	Raman Act (Å⁴/u)	Dep P	Dep U
1	A_g	3065	2932	0.00	211.63	0.26	0.41
2	A_g	1592	1524	0.00	8.41	0.71	0.83
3	A_g	1377	1318	0.00	14.37	0.50	0.66
4	A_g	1096	1049	0.00	6.85	0.47	0.64
5	A_g	564	539	0.00	6.37	0.38	0.56
6	A_u	820	785	5.19	0.00	0.00	0.00
7	A_u	160	153	34.47	0.00	0.00	0.00
8	B_g	1044	998	0.00	9.06	0.75	0.86
9	B_u	3064	2932	104.50	0.00	0.25	0.41
10	B_u	1561	1493	35.21	0.00	0.00	0.00
11	B_u	1372	1313	3.31	0.00	0.49	0.66
12	B_u	339	325	53.81	0.00	0.00	0.00

Atom	x (Å)	y (Å)
C1	-0.338	0.675
C2	0.338	-0.675
H3	-1.440	0.670
H4	1.440	-0.670
O5	0.338	1.740
O6	-0.338	-1.740

	C1	C2	H3	H4	O5	O6
C1		1.5103	1.1017	2.2303	1.2623	2.4155
C2	1.5103		2.2303	1.1017	2.4155	1.2623
H3	1.1017	2.2303		3.1772	2.0757	2.6507
H4	2.2303	1.1017	3.1772		2.6507	2.0757
O5	1.2623	2.4155	2.0757	2.6507		3.5461
O6	2.4155	1.2623	2.6507	2.0757	3.5461

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H4	116.393	C1	C2	O6	120.936
C2	C1	H3	116.393	C2	C1	O5	120.936
H3	C1	O5	122.671	H4	C2	O6	122.671

All results from a given calculation for C₂H₂O₂ (Ethanedial)

using model chemistry: MP2/6-31G

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 C2H2O2 (Ethanedial)

using model chemistry: MP2/6-31G

States and conformations

All results from a given calculation for C₂H₂O₂ (Ethanedial)