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	hartrees
Energy at 0K	-338.112401
Energy at 298.15K
HF Energy	-337.419094
Nuclear repulsion energy	221.254221

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3323	3253
2	A₁	1810	1771
3	A₁	1589	1556
4	A₁	1173	1148
5	A₁	1025	1003
6	A₁	767	751
7	A₁	698	684
8	A₂	803	786
9	A₂	543	531
10	B₁	739	723
11	B₁	679	664
12	B₁	225	220
13	B₂	3293	3223
14	B₂	1336	1308
15	B₂	1004	983
16	B₂	909	890
17	B₂	819	801
18	B₂	489	479

Atom	y (Å)	z (Å)
C1	0.000	0.828
O2	0.000	2.046
O3	1.160	-0.027
O4	-1.160	-0.027
C5	0.673	-1.381
C6	-0.673	-1.381
H7	1.413	-2.164
H8	-1.413	-2.164

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.2182	1.4407	1.4407	2.3090	2.3090	3.3088	3.3088
O2	1.2182		2.3753	2.3753	3.4925	3.4925	4.4408	4.4408
O3	1.4407	2.3753		2.3194	1.4390	2.2785	2.1520	3.3446
O4	1.4407	2.3753	2.3194		2.2785	1.4390	3.3446	2.1520
C5	2.3090	3.4925	1.4390	2.2785		1.3456	1.0776	2.2281
C6	2.3090	3.4925	2.2785	1.4390	1.3456		2.2281	1.0776
H7	3.3088	4.4408	2.1520	3.3446	1.0776	2.2281		2.8264
H8	3.3088	4.4408	3.3446	2.1520	2.2281	1.0776	2.8264

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	106.614	C1	O4	C6	106.614
O2	C1	O3	126.392	O2	C1	O4	126.392
O3	C1	O4	107.215	O3	C5	C6	109.778
O3	C5	H7	116.821	O4	C6	C5	109.778
O4	C6	H8	116.821	C5	C6	H8	133.400
C6	C5	H7	133.400

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

using model chemistry: MP4=FULL/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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All results from a given calculation for C3H2O3 (vinylene carbonate)

using model chemistry: MP4=FULL/3-21G

States and conformations

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