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	hartrees
Energy at 0K	-341.495983
Energy at 298.15K
HF Energy	-340.538707
Nuclear repulsion energy	245.110950

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3144	2963	57.43
2	A₁	1969	1856	683.80
3	A₁	1607	1515	4.04
4	A₁	1447	1363	2.09
5	A₁	1256	1183	256.79
6	A₁	985	928	16.32
7	A₁	845	796	45.50
8	A₁	734	691	0.70
9	A₂	3179	2996	0.00
10	A₂	1282	1208	0.00
11	A₂	1202	1132	0.00
12	A₂	200i	189i	0.00
13	B₁	3200	3015	38.71
14	B₁	1295	1221	2.91
15	B₁	882	831	1.33
16	B₁	766	722	29.72
17	B₁	122	115	2.78
18	B₂	3137	2956	21.02
19	B₂	1593	1501	2.94
20	B₂	1453	1369	18.23
21	B₂	1242	1171	14.73
22	B₂	1081	1019	322.75
23	B₂	765	721	0.96
24	B₂	512	483	0.00

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.868
O2	0.000	0.000	2.056
O3	0.000	1.133	0.057
O4	0.000	-1.133	0.057
C5	0.000	0.774	-1.290
C6	0.000	-0.774	-1.290
H7	-0.887	1.186	-1.771
H8	0.887	1.186	-1.771
H9	0.887	-1.186	-1.771
H10	-0.887	-1.186	-1.771

	C1	O2	O3	O4	C5	C6	H7	H8	H9	H10
C1		1.1881	1.3940	1.3940	2.2928	2.2928	3.0261	3.0261	3.0261	3.0261
O2	1.1881		2.2984	2.2984	3.4347	3.4347	4.1036	4.1036	4.1036	4.1036
O3	1.3940	2.2984		2.2669	1.3940	2.3351	2.0320	2.0320	3.0834	3.0834
O4	1.3940	2.2984	2.2669		2.3351	1.3940	3.0834	3.0834	2.0320	2.0320
C5	2.2928	3.4347	1.3940	2.3351		1.5481	1.0897	1.0897	2.2046	2.2046
C6	2.2928	3.4347	2.3351	1.3940	1.5481		2.2046	2.2046	1.0897	1.0897
H7	3.0261	4.1036	2.0320	3.0834	1.0897	2.2046		1.7735	2.9622	2.3726
H8	3.0261	4.1036	2.0320	3.0834	1.0897	2.2046	1.7735		2.3726	2.9622
H9	3.0261	4.1036	3.0834	2.0320	2.2046	1.0897	2.9622	2.3726		1.7735
H10	3.0261	4.1036	3.0834	2.0320	2.2046	1.0897	2.3726	2.9622	1.7735

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	110.655	C1	O4	C6	110.655
O2	C1	O3	125.597	O2	C1	O4	125.597
O3	C1	O4	108.805	O3	C5	C6	104.943
O3	C5	H7	109.187	O3	C5	H8	109.187
O4	C6	C5	104.943	O4	C6	H9	109.187
O4	C6	H10	109.187	C5	C6	H9	112.231
C5	C6	H10	112.231	C6	C5	H7	112.231
C6	C5	H8	112.231	H7	C5	H8	108.937
H9	C6	H10	108.937

All results from a given calculation for C₂H₄CO₃ (Ethylene carbonate)

using model chemistry: CCD/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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All results from a given calculation for C2H4CO3 (Ethylene carbonate)

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

States and conformations

All results from a given calculation for C₂H₄CO₃ (Ethylene carbonate)