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	hartrees
Energy at 0K	-264.298636
Energy at 298.15K	-264.302423
HF Energy	-263.644529
Nuclear repulsion energy	123.270475

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3812	3578	17.45
2	A₁	1943	1823	529.17
3	A₁	1356	1273	40.30
4	A₁	1022	960	14.24
5	A₁	558	524	6.51
6	A₂	552	518	0.00
7	B₁	812	762	86.74
8	B₁	625	586	245.68
9	B₂	3810	3576	173.77
10	B₂	1552	1456	157.84
11	B₂	1229	1153	446.42
12	B₂	617	579	60.81

Atom	y (Å)	z (Å)
C1	0.000	0.099
O2	0.000	1.306
O3	1.088	-0.680
O4	-1.088	-0.680
H5	1.850	-0.077
H6	-1.850	-0.077

	C1	O2	O3	O4	H5	H6
C1		1.2066	1.3379	1.3379	1.8580	1.8580
O2	1.2066		2.2641	2.2641	2.3095	2.3095
O3	1.3379	2.2641		2.1753	0.9716	2.9985
O4	1.3379	2.2641	2.1753		2.9985	0.9716
H5	1.8580	2.3095	0.9716	2.9985		3.6992
H6	1.8580	2.3095	2.9985	0.9716	3.6992

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	H5	106.032	C1	O4	H6	106.032
O2	C1	O3	125.617	O2	C1	O4	125.617
O3	C1	O4	108.766

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

using model chemistry: MP3/6-31G*

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 H2CO3 (Carbonic acid)

using model chemistry: MP3/6-31G*

States and conformations

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