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	hartrees
Energy at 0K	-2479.850771
Energy at 298.15K	-2479.854914
HF Energy	-2479.032411
Nuclear repulsion energy	186.500522

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3205	3036	7.96
2	A₁	3092	2928	23.06
3	A₁	1523	1443	0.77
4	A₁	1379	1306	1.71
5	A₁	1013	959	22.79
6	A₁	613	581	0.35
7	A₁	218	206	0.02
8	A₂	3203	3033	0.00
9	A₂	1504	1425	0.00
10	A₂	933	884	0.00
11	A₂	156	147	0.00
12	B₁	3196	3027	16.32
13	B₁	1515	1435	19.97
14	B₁	964	913	15.47
15	B₁	160	152	0.41
16	B₂	3206	3037	2.33
17	B₂	3096	2932	19.92
18	B₂	1516	1436	19.03
19	B₂	1356	1285	4.18
20	B₂	896	848	0.46
21	B₂	630	597	0.80

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	0.000	0.478
C2	0.000	1.447	-0.827
C3	0.000	-1.447	-0.827
H4	0.000	2.386	-0.273
H5	0.000	-2.386	-0.273
H6	0.894	1.396	-1.448
H7	-0.894	1.396	-1.448
H8	-0.894	-1.396	-1.448
H9	0.894	-1.396	-1.448

	Se1	C2	C3	H4	H5	H6	H7	H8	H9
Se1		1.9486	1.9486	2.5014	2.5014	2.5409	2.5409	2.5409	2.5409
C2	1.9486		2.8942	1.0896	3.8726	1.0895	1.0895	3.0443	3.0443
C3	1.9486	2.8942		3.8726	1.0896	3.0443	3.0443	1.0895	1.0895
H4	2.5014	1.0896	3.8726		4.7715	1.7769	1.7769	4.0594	4.0594
H5	2.5014	3.8726	1.0896	4.7715		4.0594	4.0594	1.7769	1.7769
H6	2.5409	1.0895	3.0443	1.7769	4.0594		1.7879	3.3153	2.7919
H7	2.5409	1.0895	3.0443	1.7769	4.0594	1.7879		2.7919	3.3153
H8	2.5409	3.0443	1.0895	4.0594	1.7769	3.3153	2.7919		1.7879
H9	2.5409	3.0443	1.0895	4.0594	1.7769	2.7919	3.3153	1.7879

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Se1	C2	H4	107.438	Se1	C2	H6	110.283
Se1	C2	H7	110.283	Se1	C3	H5	107.438
Se1	C3	H8	110.283	Se1	C3	H9	110.283
C2	Se1	C3	95.914	H4	C2	H6	109.256
H4	C2	H7	109.256	H5	C3	H8	109.256
H5	C3	H9	109.256	H6	C2	H7	110.268
H8	C3	H9	110.268

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)

using model chemistry: MP2=FULL/6-311G*

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/6-311G*

States and conformations

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)