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	hartrees
Energy at 0K	-340.837473
Energy at 298.15K
HF Energy	-340.837473
Nuclear repulsion energy	227.793826

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3253	3220	0.01
2	A₁	1895	1876	510.41
3	A₁	1624	1607	2.13
4	A₁	1157	1145	107.90
5	A₁	1091	1080	12.50
6	A₁	866	857	28.17
7	A₁	719	711	2.29
8	A₂	752	744	0.00
9	A₂	565	559	0.00
10	B₁	747	739	0.09
11	B₁	684	677	69.53
12	B₁	242	239	0.57
13	B₂	3228	3195	5.74
14	B₂	1319	1306	19.35
15	B₂	1069	1058	64.62
16	B₂	976	966	43.79
17	B₂	869	860	0.05
18	B₂	503	497	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.790
O2	0.000	1.987
O3	1.119	-0.025
O4	-1.119	-0.025
C5	0.670	-1.334
C6	-0.670	-1.334
H7	1.419	-2.116
H8	-1.419	-2.116

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1969	1.3849	1.3849	2.2274	2.2274	3.2349	3.2349
O2	1.1969		2.3029	2.3029	3.3881	3.3881	4.3423	4.3423
O3	1.3849	2.3029		2.2383	1.3836	2.2164	2.1126	3.2890
O4	1.3849	2.3029	2.2383		2.2164	1.3836	3.2890	2.1126
C5	2.2274	3.3881	1.3836	2.2164		1.3396	1.0837	2.2310
C6	2.2274	3.3881	2.2164	1.3836	1.3396		2.2310	1.0837
H7	3.2349	4.3423	2.1126	3.2890	1.0837	2.2310		2.8389
H8	3.2349	4.3423	3.2890	2.1126	2.2310	1.0837	2.8389

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.136	C1	O4	C6	107.136
O2	C1	O3	126.088	O2	C1	O4	126.088
O3	C1	O4	107.824	O3	C5	C6	108.952
O3	C5	H7	117.278	O4	C6	C5	108.952
O4	C6	H8	117.278	C5	C6	H8	133.770
C6	C5	H7	133.770

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

using model chemistry: PBEPBE/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	0.481
2	O	-0.341
3	O	-0.184
4	O	-0.184
5	C	-0.056
6	C	-0.056
7	H	0.170
8	H	0.170

<r²>	115.228
(<r²>)^1/2	10.734

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

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

States and conformations

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