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	hartrees
Energy at 0K	-340.314472
Energy at 298.15K
HF Energy	-339.360361
Nuclear repulsion energy	228.749799

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3361	3361	0.08
2	A₁	1978	1978	639.21
3	A₁	1711	1711	3.89
4	A₁	1212	1212	172.70
5	A₁	1132	1132	9.17
6	A₁	917	917	32.13
7	A₁	750	750	3.34
8	A₂	818	818	0.00
9	A₂	570	570	0.00
10	B₁	801	801	7.17
11	B₁	729	729	75.58
12	B₁	236	236	1.31
13	B₂	3334	3334	8.46
14	B₂	1395	1395	50.28
15	B₂	1125	1125	124.54
16	B₂	1095	1095	0.50
17	B₂	914	914	1.39
18	B₂	538	538	0.02

Atom	y (Å)	z (Å)
C1	0.000	0.782
O2	0.000	1.972
O3	1.114	-0.017
O4	-1.114	-0.017
C5	0.671	-1.330
C6	-0.671	-1.330
H7	1.418	-2.117
H8	-1.418	-2.117

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1902	1.3708	1.3708	2.2162	2.2162	3.2278	3.2278
O2	1.1902		2.2801	2.2801	3.3698	3.3698	4.3287	4.3287
O3	1.3708	2.2801		2.2272	1.3855	2.2152	2.1222	3.2893
O4	1.3708	2.2801	2.2272		2.2152	1.3855	3.2893	2.1222
C5	2.2162	3.3698	1.3855	2.2152		1.3414	1.0855	2.2322
C6	2.2162	3.3698	2.2152	1.3855	1.3414		2.2322	1.0855
H7	3.2278	4.3287	2.1222	3.2893	1.0855	2.2322		2.8359
H8	3.2278	4.3287	3.2893	2.1222	2.2322	1.0855	2.8359

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.030	C1	O4	C6	107.030
O2	C1	O3	125.673	O2	C1	O4	125.673
O3	C1	O4	108.654	O3	C5	C6	108.643
O3	C5	H7	117.855	O4	C6	C5	108.643
O4	C6	H8	117.855	C5	C6	H8	133.502
C6	C5	H7	133.502

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

using model chemistry: CCSD=FULL/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=FULL/cc-pVDZ

States and conformations

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