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	hartrees
Energy at 0K	-264.341382
Energy at 298.15K	-264.345101
HF Energy	-263.663796
Nuclear repulsion energy	122.485061

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3844	3615	13.72
2	A₁	1840	1731	551.06
3	A₁	1295	1218	30.48
4	A₁	986	927	22.49
5	A₁	545	513	5.35
6	A₂	522	491	0.00
7	B₁	781	734	54.11
8	B₁	608	572	248.61
9	B₂	3842	3614	207.18
10	B₂	1473	1386	169.08
11	B₂	1173	1103	443.98
12	B₂	595	560	50.19

Atom	y (Å)	z (Å)
C1	0.000	0.102
O2	0.000	1.321
O3	1.090	-0.687
O4	-1.090	-0.687
H5	1.855	-0.091
H6	-1.855	-0.091

	C1	O2	O3	O4	H5	H6
C1		1.2188	1.3461	1.3461	1.8646	1.8646
O2	1.2188		2.2852	2.2852	2.3307	2.3307
O3	1.3461	2.2852		2.1803	0.9698	3.0046
O4	1.3461	2.2852	2.1803		3.0046	0.9698
H5	1.8646	2.3307	0.9698	3.0046		3.7091
H6	1.8646	2.3307	3.0046	0.9698	3.7091

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	H5	106.103	C1	O4	H6	106.103
O2	C1	O3	125.918	O2	C1	O4	125.918
O3	C1	O4	108.165

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

using model chemistry: MP2/6-31+G**

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: MP2/6-31+G**

States and conformations

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