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	hartrees
Energy at 0K	-341.131444
Energy at 298.15K
HF Energy	-341.131444
Nuclear repulsion energy	226.763829

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3244	3226	0.05
2	A₁	1869	1859	504.44
3	A₁	1606	1597	1.40
4	A₁	1145	1138	74.43
5	A₁	1071	1066	44.31
6	A₁	843	839	31.71
7	A₁	715	711	2.53
8	A₂	742	738	0.00
9	A₂	557	554	0.00
10	B₁	739	735	0.03
11	B₁	681	678	67.84
12	B₁	240	238	0.64
13	B₂	3219	3201	4.34
14	B₂	1312	1304	14.83
15	B₂	1048	1042	74.89
16	B₂	947	942	36.56
17	B₂	847	842	2.59
18	B₂	497	494	0.04

Atom	y (Å)	z (Å)
C1	0.000	0.798
O2	0.000	1.996
O3	1.125	-0.025
O4	-1.125	-0.025
C5	0.670	-1.342
C6	-0.670	-1.342
H7	1.420	-2.122
H8	-1.420	-2.122

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1982	1.3935	1.3935	2.2428	2.2428	3.2469	3.2469
O2	1.1982		2.3129	2.3129	3.4051	3.4051	4.3561	4.3561
O3	1.3935	2.3129		2.2491	1.3936	2.2262	2.1178	3.2972
O4	1.3935	2.3129	2.2491		2.2262	1.3936	3.2972	2.1178
C5	2.2428	3.4051	1.3936	2.2262		1.3401	1.0817	2.2306
C6	2.2428	3.4051	2.2262	1.3936	1.3401		2.2306	1.0817
H7	3.2469	4.3561	2.1178	3.2972	1.0817	2.2306		2.8396
H8	3.2469	4.3561	3.2972	2.1178	2.2306	1.0817	2.8396

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.163	C1	O4	C6	107.163
O2	C1	O3	126.196	O2	C1	O4	126.196
O3	C1	O4	107.608	O3	C5	C6	109.033
O3	C5	H7	117.091	O4	C6	C5	109.033
O4	C6	H8	117.091	C5	C6	H8	133.876
C6	C5	H7	133.876

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

using model chemistry: BLYP/6-31G(2df,p)

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	0.449
2	O	-0.332
3	O	-0.166
4	O	-0.166
5	C	-0.041
6	C	-0.041
7	H	0.148
8	H	0.148

<r²>	116.198
(<r²>)^1/2	10.780

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

using model chemistry: BLYP/6-31G(2df,p)

States and conformations

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