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	hartrees
Energy at 0K	-340.628269
Energy at 298.15K
HF Energy	-339.479608
Nuclear repulsion energy	230.217006

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3358	3358	0.34
2	A₁	1956	1956	699.36
3	A₁	1711	1711	4.88
4	A₁	1220	1220	167.03
5	A₁	1144	1144	28.08
6	A₁	925	925	33.63
7	A₁	755	755	4.03
8	A₂	842	842	0.00
9	A₂	579	579	0.00
10	B₁	807	807	4.37
11	B₁	739	739	83.59
12	B₁	236	236	0.78
13	B₂	3331	3331	10.31
14	B₂	1402	1402	37.56
15	B₂	1131	1131	128.02
16	B₂	1097	1097	2.07
17	B₂	916	916	1.42
18	B₂	541	541	0.01

Atom	y (Å)	z (Å)
C1	0.000	0.779
O2	0.000	1.963
O3	1.104	-0.017
O4	-1.104	-0.017
C5	0.663	-1.325
C6	-0.663	-1.325
H7	1.402	-2.101
H8	-1.402	-2.101

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1832	1.3616	1.3616	2.2069	2.2069	3.2038	3.2038
O2	1.1832		2.2668	2.2668	3.3543	3.3543	4.2989	4.2989
O3	1.3616	2.2668		2.2089	1.3810	2.1992	2.1055	3.2599
O4	1.3616	2.2668	2.2089		2.1992	1.3810	3.2599	2.1055
C5	2.2069	3.3543	1.3810	2.1992		1.3260	1.0715	2.2060
C6	2.2069	3.3543	2.1992	1.3810	1.3260		2.2060	1.0715
H7	3.2038	4.2989	2.1055	3.2599	1.0715	2.2060		2.8041
H8	3.2038	4.2989	3.2599	2.1055	2.2060	1.0715	2.8041

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.151	C1	O4	C6	107.151
O2	C1	O3	125.792	O2	C1	O4	125.792
O3	C1	O4	108.415	O3	C5	C6	108.642
O3	C5	H7	117.747	O4	C6	C5	108.642
O4	C6	H8	117.747	C5	C6	H8	133.611
C6	C5	H7	133.611

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

using model chemistry: CCSD/Def2TZVPP

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/Def2TZVPP

States and conformations

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