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	hartrees
Energy at 0K	-340.368297
Energy at 298.15K
HF Energy	-339.381729
Nuclear repulsion energy	227.844267

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3350	3227	0.32
2	A₁	1912	1842	713.72
3	A₁	1694	1632	5.47
4	A₁	1190	1146	148.84
5	A₁	1117	1076	40.11
6	A₁	898	865	36.47
7	A₁	742	714	4.07
8	A₂	796	767	0.00
9	A₂	561	541	0.00
10	B₁	790	761	6.00
11	B₁	718	692	83.07
12	B₁	234	225	0.80
13	B₂	3323	3201	9.71
14	B₂	1369	1319	35.01
15	B₂	1105	1065	128.18
16	B₂	1070	1031	1.16
17	B₂	899	867	0.83
18	B₂	527	507	0.01

Atom	y (Å)	z (Å)
C1	0.000	0.786
O2	0.000	1.982
O3	1.116	-0.016
O4	-1.116	-0.016
C5	0.671	-1.339
C6	-0.671	-1.339
H7	1.420	-2.124
H8	-1.420	-2.124

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1956	1.3749	1.3749	2.2287	2.2287	3.2381	3.2381
O2	1.1956		2.2891	2.2891	3.3879	3.3879	4.3444	4.3444
O3	1.3749	2.2891		2.2320	1.3950	2.2232	2.1291	3.2971
O4	1.3749	2.2891	2.2320		2.2232	1.3950	3.2971	2.1291
C5	2.2287	3.3879	1.3950	2.2232		1.3425	1.0848	2.2336
C6	2.2287	3.3879	2.2232	1.3950	1.3425		2.2336	1.0848
H7	3.2381	4.3444	2.1291	3.2971	1.0848	2.2336		2.8396
H8	3.2381	4.3444	3.2971	2.1291	2.2336	1.0848	2.8396

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.143	C1	O4	C6	107.143
O2	C1	O3	125.735	O2	C1	O4	125.735
O3	C1	O4	108.530	O3	C5	C6	108.592
O3	C5	H7	117.774	O4	C6	C5	108.592
O4	C6	H8	117.774	C5	C6	H8	133.634
C6	C5	H7	133.634

All results from a given calculation for C₃H₂O₃ (vinylene carbonate)

using model chemistry: CCSD/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 C3H2O3 (vinylene carbonate)

using model chemistry: CCSD/aug-cc-pVDZ

States and conformations

All results from a given calculation for C₃H₂O₃ (vinylene carbonate)