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	hartrees
Energy at 0K	-2477.250124
Energy at 298.15K	-2477.254262
HF Energy	-2476.799878
Nuclear repulsion energy	186.249855

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3233	3033	8.09
2	A₁	3127	2934	19.19
3	A₁	1547	1452	0.23
4	A₁	1398	1312	2.60
5	A₁	1027	963	22.10
6	A₁	601	564	0.37
7	A₁	224	210	0.05
8	A₂	3232	3033	0.00
9	A₂	1528	1434	0.00
10	A₂	926	869	0.00
11	A₂	160	150	0.00
12	B₁	3227	3028	16.37
13	B₁	1540	1445	13.62
14	B₁	964	904	11.79
15	B₁	162	152	0.33
16	B₂	3233	3034	2.60
17	B₂	3131	2937	17.39
18	B₂	1540	1445	15.54
19	B₂	1374	1289	8.15
20	B₂	903	847	0.48
21	B₂	621	583	0.51

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	0.000	0.475
C2	0.000	1.458	-0.822
C3	0.000	-1.458	-0.822
H4	0.000	2.391	-0.258
H5	0.000	-2.391	-0.258
H6	0.897	1.408	-1.440
H7	-0.897	1.408	-1.440
H8	-0.897	-1.408	-1.440
H9	0.897	-1.408	-1.440

	Se1	C2	C3	H4	H5	H6	H7	H8	H9
Se1		1.9513	1.9513	2.5008	2.5008	2.5404	2.5404	2.5404	2.5404
C2	1.9513		2.9160	1.0903	3.8901	1.0901	1.0901	3.0660	3.0660
C3	1.9513	2.9160		3.8901	1.0903	3.0660	3.0660	1.0901	1.0901
H4	2.5008	1.0903	3.8901		4.7820	1.7797	1.7797	4.0786	4.0786
H5	2.5008	3.8901	1.0903	4.7820		4.0786	4.0786	1.7797	1.7797
H6	2.5404	1.0901	3.0660	1.7797	4.0786		1.7930	3.3386	2.8163
H7	2.5404	1.0901	3.0660	1.7797	4.0786	1.7930		2.8163	3.3386
H8	2.5404	3.0660	1.0901	4.0786	1.7797	3.3386	2.8163		1.7930
H9	2.5404	3.0660	1.0901	4.0786	1.7797	2.8163	3.3386	1.7930

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Se1	C2	H4	107.191	Se1	C2	H6	110.041
Se1	C2	H7	110.041	Se1	C3	H5	107.191
Se1	C3	H8	110.041	Se1	C3	H9	110.041
C2	Se1	C3	96.694	H4	C2	H6	109.421
H4	C2	H7	109.421	H5	C3	H8	109.421
H5	C3	H9	109.421	H6	C2	H7	110.656
H8	C3	H9	110.656

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)

using model chemistry: MP3=FULL/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: MP3=FULL/6-31G*

States and conformations

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)