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	hartrees
Energy at 0K	-339.189130
Energy at 298.15K
HF Energy	-339.189130
Nuclear repulsion energy	225.546231

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3392	3238	1.55
2	A₁	1953	1864	475.29
3	A₁	1667	1592	0.32
4	A₁	1189	1135	70.72
5	A₁	1089	1040	63.19
6	A₁	857	819	26.51
7	A₁	734	700	3.15
8	A₂	908	866	0.00
9	A₂	575	549	0.00
10	B₁	793	757	31.18
11	B₁	734	701	86.81
12	B₁	244	233	3.02
13	B₂	3362	3209	9.79
14	B₂	1355	1293	3.80
15	B₂	1053	1005	77.18
16	B₂	963	919	52.63
17	B₂	881	841	1.78
18	B₂	513	489	0.02

Atom	y (Å)	z (Å)
C1	0.000	0.812
O2	0.000	2.011
O3	1.128	-0.025
O4	-1.128	-0.025
C5	0.665	-1.358
C6	-0.665	-1.358
H7	1.400	-2.137
H8	-1.400	-2.137

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1982	1.4046	1.4046	2.2699	2.2699	3.2647	3.2647
O2	1.1982		2.3269	2.3269	3.4335	3.4335	4.3774	4.3774
O3	1.4046	2.3269		2.2560	1.4114	2.2342	2.1297	3.2943
O4	1.4046	2.3269	2.2560		2.2342	1.4114	3.2943	2.1297
C5	2.2699	3.4335	1.4114	2.2342		1.3297	1.0711	2.2070
C6	2.2699	3.4335	2.2342	1.4114	1.3297		2.2070	1.0711
H7	3.2647	4.3774	2.1297	3.2943	1.0711	2.2070		2.8002
H8	3.2647	4.3774	3.2943	2.1297	2.2070	1.0711	2.8002

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.423	C1	O4	C6	107.423
O2	C1	O3	126.579	O2	C1	O4	126.579
O3	C1	O4	106.842	O3	C5	C6	109.156
O3	C5	H7	117.497	O4	C6	C5	109.156
O4	C6	H8	117.497	C5	C6	H8	133.347
C6	C5	H7	133.347

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

using model chemistry: mPW1PW91/3-21G

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	0.911
2	O	-0.476
3	O	-0.511
4	O	-0.511
5	C	0.009
6	C	0.009
7	H	0.284
8	H	0.284

	x	y	z	Total
	0.000	0.000	-4.657	4.657
CHELPG
AIM
ESP

<r²>	117.668
(<r²>)^1/2	10.847

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

using model chemistry: mPW1PW91/3-21G

States and conformations

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