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	hartrees
Energy at 0K	-2477.271153
Energy at 298.15K	-2477.275235
HF Energy	-2476.799402
Nuclear repulsion energy	185.638838

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3178	3085
2	A₁	3074	2984
3	A₁	1529	1484
4	A₁	1378	1338
5	A₁	1010	981
6	A₁	585	568
7	A₁	221	214
8	A₂	3176	3083
9	A₂	1510	1466
10	A₂	912	886
11	A₂	156	152
12	B₁	3171	3079
13	B₁	1523	1478
14	B₁	949	922
15	B₁	156	151
16	B₂	3178	3085
17	B₂	3077	2986
18	B₂	1523	1478
19	B₂	1353	1313
20	B₂	888	862
21	B₂	605	587

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	0.000	0.478
C2	0.000	1.459	-0.827
C3	0.000	-1.459	-0.827
H4	0.000	2.398	-0.265
H5	0.000	-2.398	-0.265
H6	0.900	1.407	-1.448
H7	-0.900	1.407	-1.448
H8	-0.900	-1.407	-1.448
H9	0.900	-1.407	-1.448

	Se1	C2	C3	H4	H5	H6	H7	H8	H9
Se1		1.9580	1.9580	2.5105	2.5105	2.5488	2.5488	2.5488	2.5488
C2	1.9580		2.9190	1.0942	3.8984	1.0940	1.0940	3.0674	3.0674
C3	1.9580	2.9190		3.8984	1.0942	3.0674	3.0674	1.0940	1.0940
H4	2.5105	1.0942	3.8984		4.7961	1.7864	1.7864	4.0847	4.0847
H5	2.5105	3.8984	1.0942	4.7961		4.0847	4.0847	1.7864	1.7864
H6	2.5488	1.0940	3.0674	1.7864	4.0847		1.7992	3.3395	2.8133
H7	2.5488	1.0940	3.0674	1.7864	4.0847	1.7992		2.8133	3.3395
H8	2.5488	3.0674	1.0940	4.0847	1.7864	3.3395	2.8133		1.7992
H9	2.5488	3.0674	1.0940	4.0847	1.7864	2.8133	3.3395	1.7992

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Se1	C2	H4	107.258	Se1	C2	H6	110.001
Se1	C2	H7	110.001	Se1	C3	H5	107.258
Se1	C3	H8	110.001	Se1	C3	H9	110.001
C2	Se1	C3	96.385	H4	C2	H6	109.445
H4	C2	H7	109.445	H5	C3	H8	109.445
H5	C3	H9	109.445	H6	C2	H7	110.624
H8	C3	H9	110.624

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)

using model chemistry: CCSD(T)=FULL/6-31G*

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 CH3SeCH3 (dimethylselenide)

using model chemistry: CCSD(T)=FULL/6-31G*

States and conformations

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)