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	hartrees
Energy at 0K	-2477.270055
Energy at 298.15K	-2477.274145
HF Energy	-2476.799441
Nuclear repulsion energy	185.753145

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3186	3063
2	A₁	3077	2959
3	A₁	1531	1472
4	A₁	1380	1327
5	A₁	1012	973
6	A₁	589	566
7	A₁	220	212
8	A₂	3184	3062
9	A₂	1512	1454
10	A₂	914	879
11	A₂	157	151
12	B₁	3179	3057
13	B₁	1524	1466
14	B₁	951	915
15	B₁	157	151
16	B₂	3186	3064
17	B₂	3080	2962
18	B₂	1525	1466
19	B₂	1355	1303
20	B₂	890	856
21	B₂	608	585

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	0.000	0.477
C2	0.000	1.459	-0.827
C3	0.000	-1.459	-0.827
H4	0.000	2.397	-0.264
H5	0.000	-2.397	-0.264
H6	0.899	1.406	-1.447
H7	-0.899	1.406	-1.447
H8	-0.899	-1.406	-1.447
H9	0.899	-1.406	-1.447

	Se1	C2	C3	H4	H5	H6	H7	H8	H9
Se1		1.9565	1.9565	2.5091	2.5091	2.5477	2.5477	2.5477	2.5477
C2	1.9565		2.9172	1.0941	3.8964	1.0939	1.0939	3.0662	3.0662
C3	1.9565	2.9172		3.8964	1.0941	3.0662	3.0662	1.0939	1.0939
H4	2.5091	1.0941	3.8964		4.7940	1.7860	1.7860	4.0834	4.0834
H5	2.5091	3.8964	1.0941	4.7940		4.0834	4.0834	1.7860	1.7860
H6	2.5477	1.0939	3.0662	1.7860	4.0834		1.7988	3.3387	2.8127
H7	2.5477	1.0939	3.0662	1.7860	4.0834	1.7988		2.8127	3.3387
H8	2.5477	3.0662	1.0939	4.0834	1.7860	3.3387	2.8127		1.7988
H9	2.5477	3.0662	1.0939	4.0834	1.7860	2.8127	3.3387	1.7988

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Se1	C2	H4	107.262	Se1	C2	H6	110.027
Se1	C2	H7	110.027	Se1	C3	H5	107.262
Se1	C3	H8	110.027	Se1	C3	H9	110.027
C2	Se1	C3	96.404	H4	C2	H6	109.427
H4	C2	H7	109.427	H5	C3	H8	109.427
H5	C3	H9	109.427	H6	C2	H7	110.605
H8	C3	H9	110.605

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)

using model chemistry: MP4=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: MP4=FULL/6-31G*

States and conformations

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)