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	hartrees
Energy at 0K	-340.865738
Energy at 298.15K
HF Energy	-340.559572
Nuclear repulsion energy	228.616082

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3373	3373	0.11
2	A₁	1937	1937	565.41
3	A₁	1688	1688	1.80
4	A₁	1205	1205	125.65
5	A₁	1135	1135	29.54
6	A₁	898	898	30.93
7	A₁	739	739	2.43
8	A₂	800	800	0.00
9	A₂	566	566	0.00
10	B₁	771	771	0.13
11	B₁	713	713	81.06
12	B₁	244	244	1.08
13	B₂	3348	3348	8.00
14	B₂	1385	1385	26.30
15	B₂	1109	1109	94.34
16	B₂	1046	1046	40.80
17	B₂	903	903	0.42
18	B₂	520	520	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.787
O2	0.000	1.983
O3	1.111	-0.023
O4	-1.111	-0.023
C5	0.666	-1.333
C6	-0.666	-1.333
H7	1.409	-2.109
H8	-1.409	-2.109

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1958	1.3753	1.3753	2.2226	2.2226	3.2210	3.2210
O2	1.1958		2.2932	2.2932	3.3824	3.3824	4.3280	4.3280
O3	1.3753	2.2932		2.2229	1.3838	2.2086	2.1075	3.2720
O4	1.3753	2.2932	2.2229		2.2086	1.3838	3.2720	2.1075
C5	2.2226	3.3824	1.3838	2.2086		1.3330	1.0741	2.2159
C6	2.2226	3.3824	2.2086	1.3838	1.3330		2.2159	1.0741
H7	3.2210	4.3280	2.1075	3.2720	1.0741	2.2159		2.8181
H8	3.2210	4.3280	3.2720	2.1075	2.2159	1.0741	2.8181

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.327	C1	O4	C6	107.327
O2	C1	O3	126.086	O2	C1	O4	126.086
O3	C1	O4	107.829	O3	C5	C6	108.758
O3	C5	H7	117.506	O4	C6	C5	108.758
O4	C6	H8	117.506	C5	C6	H8	133.735
C6	C5	H7	133.735

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

using model chemistry: B2PLYP/6-31G**

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	0.803
2	O	-0.444
3	O	-0.452
4	O	-0.452
5	C	0.112
6	C	0.112
7	H	0.161
8	H	0.161

	x	y	z	Total
	0.000	0.000	-4.625	4.625
CHELPG
AIM
ESP

<r²>	114.853
(<r²>)^1/2	10.717

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

using model chemistry: B2PLYP/6-31G**

States and conformations

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