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	hartrees
Energy at 0K	-2467.551805
Energy at 298.15K	-2467.555897
HF Energy	-2467.281821
Nuclear repulsion energy	183.050655

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3186	3186	9.69
2	A₁	3099	3099	18.40
3	A₁	1572	1572	1.13
4	A₁	1433	1433	2.02
5	A₁	1029	1029	25.53
6	A₁	591	591	0.12
7	A₁	211	211	0.02
8	A₂	3186	3186	0.00
9	A₂	1550	1550	0.00
10	A₂	948	948	0.00
11	A₂	151	151	0.00
12	B₁	3183	3183	25.98
13	B₁	1558	1558	21.06
14	B₁	973	973	14.10
15	B₁	139	139	0.30
16	B₂	3186	3186	4.09
17	B₂	3102	3102	19.43
18	B₂	1564	1564	19.62
19	B₂	1411	1411	4.36
20	B₂	915	915	0.55
21	B₂	609	609	0.43

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	0.000	0.489
C2	0.000	1.479	-0.846
C3	0.000	-1.479	-0.846
H4	0.000	2.419	-0.289
H5	0.000	-2.419	-0.289
H6	0.895	1.428	-1.469
H7	-0.895	1.428	-1.469
H8	-0.895	-1.428	-1.469
H9	0.895	-1.428	-1.469

	Se1	C2	C3	H4	H5	H6	H7	H8	H9
Se1		1.9925	1.9925	2.5408	2.5408	2.5833	2.5833	2.5833	2.5833
C2	1.9925		2.9585	1.0926	3.9378	1.0920	1.0920	3.1048	3.1048
C3	1.9925	2.9585		3.9378	1.0926	3.1048	3.1048	1.0920	1.0920
H4	2.5408	1.0926	3.9378		4.8378	1.7826	1.7826	4.1221	4.1221
H5	2.5408	3.9378	1.0926	4.8378		4.1221	4.1221	1.7826	1.7826
H6	2.5833	1.0920	3.1048	1.7826	4.1221		1.7905	3.3703	2.8554
H7	2.5833	1.0920	3.1048	1.7826	4.1221	1.7905		2.8554	3.3703
H8	2.5833	3.1048	1.0920	4.1221	1.7826	3.3703	2.8554		1.7905
H9	2.5833	3.1048	1.0920	4.1221	1.7826	2.8554	3.3703	1.7905

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Se1	C2	H4	107.257	Se1	C2	H6	110.319
Se1	C2	H7	110.319	Se1	C3	H5	107.257
Se1	C3	H8	110.319	Se1	C3	H9	110.319
C2	Se1	C3	95.872	H4	C2	H6	109.374
H4	C2	H7	109.374	H5	C3	H8	109.374
H5	C3	H9	109.374	H6	C2	H7	110.142
H8	C3	H9	110.142

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)

using model chemistry: MP3=FULL/3-21G

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/3-21G

States and conformations

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)