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	hartrees
Energy at 0K	-341.098618
Energy at 298.15K
HF Energy	-341.098618
Nuclear repulsion energy	229.904045

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3365	3203	0.71
2	A₁	1953	1859	722.74
3	A₁	1700	1618	4.35
4	A₁	1217	1159	169.78
5	A₁	1140	1085	9.23
6	A₁	926	882	28.88
7	A₁	747	711	3.69
8	A₂	835	794	0.00
9	A₂	577	549	0.00
10	B₁	783	745	0.12
11	B₁	726	691	102.66
12	B₁	244	232	0.75
13	B₂	3340	3179	12.38
14	B₂	1385	1318	38.49
15	B₂	1122	1068	106.16
16	B₂	1077	1025	27.56
17	B₂	913	869	0.80
18	B₂	527	502	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.781
O2	0.000	1.972
O3	1.102	-0.022
O4	-1.102	-0.022
C5	0.665	-1.326
C6	-0.665	-1.326
H7	1.410	-2.102
H8	-1.410	-2.102

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1909	1.3640	1.3640	2.2097	2.2097	3.2098	3.2098
O2	1.1909		2.2785	2.2785	3.3645	3.3645	4.3116	4.3116
O3	1.3640	2.2785		2.2050	1.3755	2.1966	2.1032	3.2618
O4	1.3640	2.2785	2.2050		2.1966	1.3755	3.2618	2.1032
C5	2.2097	3.3645	1.3755	2.1966		1.3302	1.0757	2.2152
C6	2.2097	3.3645	2.1966	1.3755	1.3302		2.2152	1.0757
H7	3.2098	4.3116	2.1032	3.2618	1.0757	2.2152		2.8190
H8	3.2098	4.3116	3.2618	2.1032	2.2152	1.0757	2.8190

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.532	C1	O4	C6	107.532
O2	C1	O3	126.073	O2	C1	O4	126.073
O3	C1	O4	107.853	O3	C5	C6	108.541
O3	C5	H7	117.668	O4	C6	C5	108.541
O4	C6	H8	117.668	C5	C6	H8	133.790
C6	C5	H7	133.790

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

using model chemistry: mPW1PW91/6-31+G**

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	0.732
2	O	-0.499
3	O	-0.331
4	O	-0.331
5	C	0.011
6	C	0.011
7	H	0.202
8	H	0.202

	x	y	z	Total
	0.000	0.000	-4.896	4.896
CHELPG
AIM
ESP

<r²>	114.231
(<r²>)^1/2	10.688

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

using model chemistry: mPW1PW91/6-31+G**

States and conformations

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