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	hartrees
Energy at 0K	-2477.267666
Energy at 298.15K	-2477.271786
HF Energy	-2476.810781
Nuclear repulsion energy	185.834985

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3234	3045	11.81
2	A₁	3125	2942	22.22
3	A₁	1544	1453	0.00
4	A₁	1390	1309	5.82
5	A₁	1017	957	18.38
6	A₁	592	557	0.36
7	A₁	221	208	0.02
8	A₂	3234	3044	0.00
9	A₂	1523	1433	0.00
10	A₂	924	870	0.00
11	A₂	155	146	0.00
12	B₁	3229	3040	22.77
13	B₁	1535	1445	8.68
14	B₁	961	904	8.90
15	B₁	162	152	0.27
16	B₂	3235	3045	4.61
17	B₂	3127	2944	23.85
18	B₂	1537	1447	11.94
19	B₂	1364	1284	16.59
20	B₂	894	842	0.20
21	B₂	611	575	0.38

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	0.000	0.477
C2	0.000	1.461	-0.826
C3	0.000	-1.461	-0.826
H4	0.000	2.392	-0.264
H5	0.000	-2.392	-0.264
H6	0.894	1.410	-1.443
H7	-0.894	1.410	-1.443
H8	-0.894	-1.410	-1.443
H9	0.894	-1.410	-1.443

	Se1	C2	C3	H4	H5	H6	H7	H8	H9
Se1		1.9579	1.9579	2.5045	2.5045	2.5444	2.5444	2.5444	2.5444
C2	1.9579		2.9224	1.0875	3.8943	1.0874	1.0874	3.0701	3.0701
C3	1.9579	2.9224		3.8943	1.0875	3.0701	3.0701	1.0874	1.0874
H4	2.5045	1.0875	3.8943		4.7846	1.7756	1.7756	4.0803	4.0803
H5	2.5045	3.8943	1.0875	4.7846		4.0803	4.0803	1.7756	1.7756
H6	2.5444	1.0874	3.0701	1.7756	4.0803		1.7884	3.3399	2.8207
H7	2.5444	1.0874	3.0701	1.7756	4.0803	1.7884		2.8207	3.3399
H8	2.5444	3.0701	1.0874	4.0803	1.7756	3.3399	2.8207		1.7884
H9	2.5444	3.0701	1.0874	4.0803	1.7756	2.8207	3.3399	1.7884

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Se1	C2	H4	107.160	Se1	C2	H6	110.030
Se1	C2	H7	110.030	Se1	C3	H5	107.160
Se1	C3	H8	110.030	Se1	C3	H9	110.030
C2	Se1	C3	96.543	H4	C2	H6	109.452
H4	C2	H7	109.452	H5	C3	H8	109.452
H5	C3	H9	109.452	H6	C2	H7	110.646
H8	C3	H9	110.646

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)

using model chemistry: QCISD/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: QCISD/6-31G**

States and conformations

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)