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	hartrees
Energy at 0K	-264.490011
Energy at 298.15K	-264.493743
HF Energy	-263.726065
Nuclear repulsion energy	122.910509

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3858	3741
2	A₁	1850	1794
3	A₁	1322	1282
4	A₁	971	941
5	A₁	549	532
6	A₂	519	504
7	B₁	787	763
8	B₁	603	585
9	B₂	3855	3738
10	B₂	1483	1438
11	B₂	1186	1150
12	B₂	599	581

Atom	y (Å)	z (Å)
C1	0.000	0.103
O2	0.000	1.313
O3	1.090	-0.686
O4	-1.090	-0.686
H5	1.834	-0.073
H6	-1.834	-0.073

	C1	O2	O3	O4	H5	H6
C1		1.2101	1.3456	1.3456	1.8430	1.8430
O2	1.2101		2.2772	2.2772	2.2996	2.2996
O3	1.3456	2.2772		2.1794	0.9646	2.9877
O4	1.3456	2.2772	2.1794		2.9877	0.9646
H5	1.8430	2.2996	0.9646	2.9877		3.6690
H6	1.8430	2.2996	2.9877	0.9646	3.6690

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	H5	104.626	C1	O4	H6	104.626
O2	C1	O3	125.921	O2	C1	O4	125.921
O3	C1	O4	108.158

All results from a given calculation for H₂CO₃ (Carbonic acid)

using model chemistry: MP4/6-311G**

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 H2CO3 (Carbonic acid)

using model chemistry: MP4/6-311G**

States and conformations

All results from a given calculation for H₂CO₃ (Carbonic acid)