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	hartrees
Energy at 0K	-2477.228722
Energy at 298.15K	-2477.232787
HF Energy	-2476.799235
Nuclear repulsion energy	185.168476

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3178	3058
2	A₁	3073	2957
3	A₁	1529	1471
4	A₁	1375	1323
5	A₁	1008	970
6	A₁	580	558
7	A₁	219	211
8	A₂	3176	3056
9	A₂	1510	1453
10	A₂	911	876
11	A₂	155	149
12	B₁	3171	3051
13	B₁	1522	1465
14	B₁	948	912
15	B₁	154	148
16	B₂	3178	3058
17	B₂	3076	2960
18	B₂	1523	1465
19	B₂	1349	1298
20	B₂	887	853
21	B₂	599	577

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	0.000	0.480
C2	0.000	1.463	-0.831
C3	0.000	-1.463	-0.831
H4	0.000	2.402	-0.268
H5	0.000	-2.402	-0.268
H6	0.900	1.409	-1.451
H7	-0.900	1.409	-1.451
H8	-0.900	-1.409	-1.451
H9	0.900	-1.409	-1.451

	Se1	C2	C3	H4	H5	H6	H7	H8	H9
Se1		1.9643	1.9643	2.5159	2.5159	2.5537	2.5537	2.5537	2.5537
C2	1.9643		2.9265	1.0945	3.9061	1.0943	1.0943	3.0727	3.0727
C3	1.9643	2.9265		3.9061	1.0945	3.0727	3.0727	1.0943	1.0943
H4	2.5159	1.0945	3.9061		4.8043	1.7877	1.7877	4.0902	4.0902
H5	2.5159	3.9061	1.0945	4.8043		4.0902	4.0902	1.7877	1.7877
H6	2.5537	1.0943	3.0727	1.7877	4.0902		1.7999	3.3430	2.8170
H7	2.5537	1.0943	3.0727	1.7877	4.0902	1.7999		2.8170	3.3430
H8	2.5537	3.0727	1.0943	4.0902	1.7877	3.3430	2.8170		1.7999
H9	2.5537	3.0727	1.0943	4.0902	1.7877	2.8170	3.3430	1.7999

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Se1	C2	H4	107.226	Se1	C2	H6	109.927
Se1	C2	H7	109.927	Se1	C3	H5	107.226
Se1	C3	H8	109.927	Se1	C3	H9	109.927
C2	Se1	C3	96.306	H4	C2	H6	109.522
H4	C2	H7	109.522	H5	C3	H8	109.522
H5	C3	H9	109.522	H6	C2	H7	110.651
H8	C3	H9	110.651

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)

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

States and conformations

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)