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	hartrees
Energy at 0K	-2479.491461
Energy at 298.15K	-2479.495527
HF Energy	-2479.031807
Nuclear repulsion energy	185.083260

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3137	3020
2	A₁	3035	2922
3	A₁	1505	1449
4	A₁	1362	1311
5	A₁	995	958
6	A₁	589	567
7	A₁	214	206
8	A₂	3133	3017
9	A₂	1487	1431
10	A₂	915	881
11	A₂	149	144
12	B₁	3128	3011
13	B₁	1497	1441
14	B₁	946	911
15	B₁	154	148
16	B₂	3137	3021
17	B₂	3038	2925
18	B₂	1498	1442
19	B₂	1339	1289
20	B₂	877	844
21	B₂	606	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	2.402	-0.278
H5	0.000	-2.402	-0.278
H6	0.898	1.406	-1.458
H7	-0.898	1.406	-1.458
H8	-0.898	-1.406	-1.458
H9	0.898	-1.406	-1.458

	Se1	C2	C3	H4	H5	H6	H7	H8	H9
Se1		1.9651	1.9651	2.5193	2.5193	2.5587	2.5587	2.5587	2.5587
C2	1.9651		2.9179	1.0945	3.9005	1.0943	1.0943	3.0665	3.0665
C3	1.9651	2.9179		3.9005	1.0945	3.0665	3.0665	1.0943	1.0943
H4	2.5193	1.0945	3.9005		4.8035	1.7855	1.7855	4.0862	4.0862
H5	2.5193	3.9005	1.0945	4.8035		4.0862	4.0862	1.7855	1.7855
H6	2.5587	1.0943	3.0665	1.7855	4.0862		1.7956	3.3366	2.8123
H7	2.5587	1.0943	3.0665	1.7855	4.0862	1.7956		2.8123	3.3366
H8	2.5587	3.0665	1.0943	4.0862	1.7855	3.3366	2.8123		1.7956
H9	2.5587	3.0665	1.0943	4.0862	1.7855	2.8123	3.3366	1.7956

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Se1	C2	H4	107.417	Se1	C2	H6	110.235
Se1	C2	H7	110.235	Se1	C3	H5	107.417
Se1	C3	H8	110.235	Se1	C3	H9	110.235
C2	Se1	C3	95.880	H4	C2	H6	109.326
H4	C2	H7	109.326	H5	C3	H8	109.326
H5	C3	H9	109.326	H6	C2	H7	110.246
H8	C3	H9	110.246

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)

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

States and conformations

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)