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	hartrees
Energy at 0K	-264.657428
Energy at 298.15K	-264.661174
HF Energy	-263.759655
Nuclear repulsion energy	123.262344

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3827	3630
2	A₁	1855	1759
3	A₁	1307	1240
4	A₁	980	929
5	A₁	545	517
6	A₂	528	501
7	B₁	804	763
8	B₁	600	570
9	B₂	3824	3627
10	B₂	1490	1413
11	B₂	1176	1116
12	B₂	601	570

Atom	y (Å)	z (Å)
C1	0.000	0.101
O2	0.000	1.307
O3	1.088	-0.682
O4	-1.088	-0.682
H5	1.838	-0.074
H6	-1.838	-0.074

	C1	O2	O3	O4	H5	H6
C1		1.2059	1.3408	1.3408	1.8465	1.8465
O2	1.2059		2.2671	2.2671	2.2993	2.2993
O3	1.3408	2.2671		2.1770	0.9649	2.9891
O4	1.3408	2.2671	2.1770		2.9891	0.9649
H5	1.8465	2.2993	0.9649	2.9891		3.6764
H6	1.8465	2.2993	2.9891	0.9649	3.6764

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	H5	105.259	C1	O4	H6	105.259
O2	C1	O3	125.723	O2	C1	O4	125.723
O3	C1	O4	108.554

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

using model chemistry: QCISD(T)/cc-pVTZ

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: QCISD(T)/cc-pVTZ

States and conformations

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