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	hartrees
Energy at 0K	-2479.491092
Energy at 298.15K	-2479.495160
HF Energy	-2479.031827
Nuclear repulsion energy	185.108113

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3138	3021
2	A₁	3037	2923
3	A₁	1505	1449
4	A₁	1362	1311
5	A₁	995	958
6	A₁	589	567
7	A₁	214	206
8	A₂	3135	3017
9	A₂	1487	1431
10	A₂	916	881
11	A₂	149	144
12	B₁	3129	3012
13	B₁	1497	1441
14	B₁	946	911
15	B₁	154	148
16	B₂	3139	3021
17	B₂	3040	2926
18	B₂	1498	1442
19	B₂	1339	1289
20	B₂	877	845
21	B₂	607	584

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	0.000	0.482
C2	0.000	1.459	-0.834
C3	0.000	-1.459	-0.834
H4	0.000	2.401	-0.278
H5	0.000	-2.401	-0.278
H6	0.898	1.406	-1.457
H7	-0.898	1.406	-1.457
H8	-0.898	-1.406	-1.457
H9	0.898	-1.406	-1.457

	Se1	C2	C3	H4	H5	H6	H7	H8	H9
Se1		1.9648	1.9648	2.5190	2.5190	2.5583	2.5583	2.5583	2.5583
C2	1.9648		2.9175	1.0943	3.9001	1.0942	1.0942	3.0662	3.0662
C3	1.9648	2.9175		3.9001	1.0943	3.0662	3.0662	1.0942	1.0942
H4	2.5190	1.0943	3.9001		4.8030	1.7853	1.7853	4.0858	4.0858
H5	2.5190	3.9001	1.0943	4.8030		4.0858	4.0858	1.7853	1.7853
H6	2.5583	1.0942	3.0662	1.7853	4.0858		1.7954	3.3363	2.8121
H7	2.5583	1.0942	3.0662	1.7853	4.0858	1.7954		2.8121	3.3363
H8	2.5583	3.0662	1.0942	4.0858	1.7853	3.3363	2.8121		1.7954
H9	2.5583	3.0662	1.0942	4.0858	1.7853	2.8121	3.3363	1.7954

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Se1	C2	H4	107.419	Se1	C2	H6	110.236
Se1	C2	H7	110.236	Se1	C3	H5	107.419
Se1	C3	H8	110.236	Se1	C3	H9	110.236
C2	Se1	C3	95.882	H4	C2	H6	109.322
H4	C2	H7	109.322	H5	C3	H8	109.322
H5	C3	H9	109.322	H6	C2	H7	110.249
H8	C3	H9	110.249

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)

using model chemistry: CCSD(T)/6-311G*

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)/6-311G*

States and conformations

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)