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	hartrees
Energy at 0K	-340.744486
Energy at 298.15K
HF Energy	-339.480151
Nuclear repulsion energy	230.543088

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3359	3359	0.38
2	A₁	1959	1959	702.35
3	A₁	1713	1713	4.92
4	A₁	1223	1223	167.01
5	A₁	1147	1147	28.46
6	A₁	927	927	33.97
7	A₁	757	757	3.98
8	A₂	858	858	0.00
9	A₂	583	583	0.00
10	B₁	812	812	3.55
11	B₁	747	747	84.62
12	B₁	237	237	0.76
13	B₂	3332	3332	10.49
14	B₂	1406	1406	37.00
15	B₂	1133	1133	128.03
16	B₂	1099	1099	3.22
17	B₂	918	918	1.33
18	B₂	542	542	0.01

Atom	y (Å)	z (Å)
C1	0.000	0.779
O2	0.000	1.960
O3	1.103	-0.017
O4	-1.103	-0.017
C5	0.662	-1.324
C6	-0.662	-1.324
H7	1.399	-2.098
H8	-1.399	-2.098

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1812	1.3600	1.3600	2.2042	2.2042	3.1991	3.1991
O2	1.1812		2.2638	2.2638	3.3497	3.3497	4.2925	4.2925
O3	1.3600	2.2638		2.2058	1.3791	2.1960	2.1022	3.2543
O4	1.3600	2.2638	2.2058		2.1960	1.3791	3.2543	2.1022
C5	2.2042	3.3497	1.3791	2.1960		1.3240	1.0691	2.2016
C6	2.2042	3.3497	2.1960	1.3791	1.3240		2.2016	1.0691
H7	3.1991	4.2925	2.1022	3.2543	1.0691	2.2016		2.7978
H8	3.1991	4.2925	3.2543	2.1022	2.2016	1.0691	2.7978

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.164	C1	O4	C6	107.164
O2	C1	O3	125.809	O2	C1	O4	125.809
O3	C1	O4	108.381	O3	C5	C6	108.645
O3	C5	H7	117.784	O4	C6	C5	108.645
O4	C6	H8	117.784	C5	C6	H8	133.571
C6	C5	H7	133.571

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

using model chemistry: CCSD=FULL/Def2TZVPP

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

using model chemistry: CCSD=FULL/Def2TZVPP

States and conformations

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