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	hartrees
Energy at 0K	-264.420436
Energy at 298.15K	-264.424211
HF Energy	-263.698364
Nuclear repulsion energy	122.897069

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3849	3713	12.16
2	A₁	1867	1801	571.37
3	A₁	1331	1284	25.34
4	A₁	989	954	18.96
5	A₁	552	533	6.21
6	A₂	540	521	0.00
7	B₁	813	784	53.49
8	B₁	603	582	209.86
9	B₂	3847	3710	183.14
10	B₂	1492	1439	126.59
11	B₂	1205	1162	444.49
12	B₂	610	588	47.81

Atom	y (Å)	z (Å)
C1	0.000	0.103
O2	0.000	1.312
O3	1.090	-0.684
O4	-1.090	-0.684
H5	1.852	-0.088
H6	-1.852	-0.088

	C1	O2	O3	O4	H5	H6
C1		1.2091	1.3443	1.3443	1.8618	1.8618
O2	1.2091		2.2739	2.2739	2.3215	2.3215
O3	1.3443	2.2739		2.1806	0.9669	3.0019
O4	1.3443	2.2739	2.1806		3.0019	0.9669
H5	1.8618	2.3215	0.9669	3.0019		3.7040
H6	1.8618	2.3215	3.0019	0.9669	3.7040

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	H5	106.178	C1	O4	H6	106.178
O2	C1	O3	125.800	O2	C1	O4	125.800
O3	C1	O4	108.400

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

using model chemistry: CCD/aug-cc-pVDZ

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: CCD/aug-cc-pVDZ

States and conformations

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