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	hartrees
Energy at 0K	-2476.803694
Energy at 298.15K	-2476.807766
HF Energy	-2476.555185
Nuclear repulsion energy	183.117450

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3215	3015	11.29
2	A₁	3114	2920	23.12
3	A₁	1558	1461	1.02
4	A₁	1425	1336	2.66
5	A₁	1040	975	25.73
6	A₁	568	532	0.45
7	A₁	228	214	0.00
8	A₂	3220	3019	0.00
9	A₂	1540	1444	0.00
10	A₂	928	870	0.00
11	A₂	141	132	0.00
12	B₁	3216	3016	28.96
13	B₁	1552	1455	20.54
14	B₁	961	902	13.52
15	B₁	149	139	0.22
16	B₂	3215	3015	5.06
17	B₂	3112	2919	27.73
18	B₂	1549	1452	17.37
19	B₂	1397	1310	6.87
20	B₂	919	862	0.20
21	B₂	585	549	0.10

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	0.000	0.487
C2	0.000	1.483	-0.845
C3	0.000	-1.483	-0.845
H4	0.000	2.421	-0.284
H5	0.000	-2.421	-0.284
H6	0.900	1.424	-1.460
H7	-0.900	1.424	-1.460
H8	-0.900	-1.424	-1.460
H9	0.900	-1.424	-1.460

	Se1	C2	C3	H4	H5	H6	H7	H8	H9
Se1		1.9929	1.9929	2.5401	2.5401	2.5740	2.5740	2.5740	2.5740
C2	1.9929		2.9662	1.0924	3.9437	1.0916	1.0916	3.1047	3.1047
C3	1.9929	2.9662		3.9437	1.0924	3.1047	3.1047	1.0916	1.0916
H4	2.5401	1.0924	3.9437		4.8411	1.7849	1.7849	4.1198	4.1198
H5	2.5401	3.9437	1.0924	4.8411		4.1198	4.1198	1.7849	1.7849
H6	2.5740	1.0916	3.1047	1.7849	4.1198		1.7996	3.3689	2.8479
H7	2.5740	1.0916	3.1047	1.7849	4.1198	1.7996		2.8479	3.3689
H8	2.5740	3.1047	1.0916	4.1198	1.7849	3.3689	2.8479		1.7996
H9	2.5740	3.1047	1.0916	4.1198	1.7849	2.8479	3.3689	1.7996

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Se1	C2	H4	107.196	Se1	C2	H6	109.638
Se1	C2	H7	109.638	Se1	C3	H5	107.196
Se1	C3	H8	109.638	Se1	C3	H9	109.638
C2	Se1	C3	96.181	H4	C2	H6	109.625
H4	C2	H7	109.625	H5	C3	H8	109.625
H5	C3	H9	109.625	H6	C2	H7	111.039
H8	C3	H9	111.039

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)

using model chemistry: CISD/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: CISD/6-31G

States and conformations

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)