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	hartrees
Energy at 0K	-2477.219094
Energy at 298.15K	-2477.223256
HF Energy	-2476.799882
Nuclear repulsion energy	186.689424

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3239	3051	6.72
2	A₁	3124	2943	17.82
3	A₁	1551	1461	0.10
4	A₁	1397	1317	3.06
5	A₁	1028	969	22.10
6	A₁	606	571	0.46
7	A₁	224	211	0.07
8	A₂	3239	3052	0.00
9	A₂	1530	1442	0.00
10	A₂	929	876	0.00
11	A₂	164	155	0.00
12	B₁	3234	3047	13.11
13	B₁	1543	1454	13.32
14	B₁	967	911	12.58
15	B₁	168	158	0.36
16	B₂	3240	3052	1.44
17	B₂	3128	2947	15.60
18	B₂	1543	1454	15.94
19	B₂	1372	1293	8.83
20	B₂	907	854	0.60
21	B₂	626	590	0.47

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	0.000	0.474
C2	0.000	1.452	-0.821
C3	0.000	-1.452	-0.821
H4	0.000	2.386	-0.258
H5	0.000	-2.386	-0.258
H6	0.896	1.402	-1.439
H7	-0.896	1.402	-1.439
H8	-0.896	-1.402	-1.439
H9	0.896	-1.402	-1.439

	Se1	C2	C3	H4	H5	H6	H7	H8	H9
Se1		1.9458	1.9458	2.4958	2.4958	2.5359	2.5359	2.5359	2.5359
C2	1.9458		2.9043	1.0904	3.8791	1.0901	1.0901	3.0551	3.0551
C3	1.9458	2.9043		3.8791	1.0904	3.0551	3.0551	1.0901	1.0901
H4	2.4958	1.0904	3.8791		4.7719	1.7794	1.7794	4.0681	4.0681
H5	2.4958	3.8791	1.0904	4.7719		4.0681	4.0681	1.7794	1.7794
H6	2.5359	1.0901	3.0551	1.7794	4.0681		1.7929	3.3287	2.8046
H7	2.5359	1.0901	3.0551	1.7794	4.0681	1.7929		2.8046	3.3287
H8	2.5359	3.0551	1.0901	4.0681	1.7794	3.3287	2.8046		1.7929
H9	2.5359	3.0551	1.0901	4.0681	1.7794	2.8046	3.3287	1.7929

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Se1	C2	H4	107.184	Se1	C2	H6	110.080
Se1	C2	H7	110.080	Se1	C3	H5	107.184
Se1	C3	H8	110.080	Se1	C3	H9	110.080
C2	Se1	C3	96.538	H4	C2	H6	109.387
H4	C2	H7	109.387	H5	C3	H8	109.387
H5	C3	H9	109.387	H6	C2	H7	110.651
H8	C3	H9	110.651

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)

using model chemistry: MP2=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: MP2=FULL/6-31G*

States and conformations

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)