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	hartrees
Energy at 0K	-340.961129
Energy at 298.15K
HF Energy	-340.961129
Nuclear repulsion energy	230.607662

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3332	3202	0.25
2	A₁	1953	1877	670.61
3	A₁	1695	1629	3.87
4	A₁	1208	1161	159.45
5	A₁	1135	1091	11.06
6	A₁	921	885	29.62
7	A₁	751	722	3.63
8	A₂	850	817	0.00
9	A₂	591	568	0.00
10	B₁	796	765	1.64
11	B₁	730	701	86.29
12	B₁	246	237	0.55
13	B₂	3307	3178	9.53
14	B₂	1381	1327	33.57
15	B₂	1118	1074	102.27
16	B₂	1058	1016	24.48
17	B₂	911	875	0.77
18	B₂	534	513	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.781
O2	0.000	1.964
O3	1.101	-0.021
O4	-1.101	-0.021
C5	0.662	-1.321
C6	-0.662	-1.321
H7	1.401	-2.101
H8	-1.401	-2.101

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1829	1.3619	1.3619	2.2039	2.2039	3.2039	3.2039
O2	1.1829		2.2695	2.2695	3.3511	3.3511	4.2990	4.2990
O3	1.3619	2.2695		2.2019	1.3727	2.1905	2.1012	3.2535
O4	1.3619	2.2695	2.2019		2.1905	1.3727	3.2535	2.1012
C5	2.2039	3.3511	1.3727	2.1905		1.3233	1.0742	2.2049
C6	2.2039	3.3511	2.1905	1.3727	1.3233		2.2049	1.0742
H7	3.2039	4.2990	2.1012	3.2535	1.0742	2.2049		2.8021
H8	3.2039	4.2990	3.2535	2.1012	2.2049	1.0742	2.8021

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.395	C1	O4	C6	107.395
O2	C1	O3	126.061	O2	C1	O4	126.061
O3	C1	O4	107.879	O3	C5	C6	108.666
O3	C5	H7	117.831	O4	C6	C5	108.666
O4	C6	H8	117.831	C5	C6	H8	133.503
C6	C5	H7	133.503

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

using model chemistry: HSEh1PBE/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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Number	Element	Mulliken
1	C	0.314
2	O	-0.266
3	O	-0.152
4	O	-0.152
5	C	-0.029
6	C	-0.029
7	H	0.156
8	H	0.156

<r²>	113.349
(<r²>)^1/2	10.647

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

using model chemistry: HSEh1PBE/cc-pVTZ

States and conformations

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