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	hartrees
Energy at 0K	-2479.526549
Energy at 298.15K	-2479.530609
HF Energy	-2479.035659
Nuclear repulsion energy	185.120873

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3161	3013
2	A₁	3049	2906
3	A₁	1472	1403
4	A₁	1323	1261
5	A₁	973	927
6	A₁	598	570
7	A₁	213	203
8	A₂	3155	3007
9	A₂	1451	1383
10	A₂	896	854
11	A₂	152	145
12	B₁	3149	3002
13	B₁	1460	1391
14	B₁	927	883
15	B₁	152	145
16	B₂	3162	3014
17	B₂	3053	2909
18	B₂	1465	1397
19	B₂	1298	1237
20	B₂	855	815
21	B₂	616	587

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	0.000	0.482
C2	0.000	1.455	-0.832
C3	0.000	-1.455	-0.832
H4	0.000	2.406	-0.272
H5	0.000	-2.406	-0.272
H6	0.905	1.405	-1.463
H7	-0.905	1.405	-1.463
H8	-0.905	-1.405	-1.463
H9	0.905	-1.405	-1.463

	Se1	C2	C3	H4	H5	H6	H7	H8	H9
Se1		1.9602	1.9602	2.5211	2.5211	2.5648	2.5648	2.5648	2.5648
C2	1.9602		2.9091	1.1043	3.9010	1.1046	1.1046	3.0654	3.0654
C3	1.9602	2.9091		3.9010	1.1043	3.0654	3.0654	1.1046	1.1046
H4	2.5211	1.1043	3.9010		4.8119	1.8003	1.8003	4.0946	4.0946
H5	2.5211	3.9010	1.1043	4.8119		4.0946	4.0946	1.8003	1.8003
H6	2.5648	1.1046	3.0654	1.8003	4.0946		1.8106	3.3434	2.8107
H7	2.5648	1.1046	3.0654	1.8003	4.0946	1.8106		2.8107	3.3434
H8	2.5648	3.0654	1.1046	4.0946	1.8003	3.3434	2.8107		1.8106
H9	2.5648	3.0654	1.1046	4.0946	1.8003	2.8107	3.3434	1.8106

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Se1	C2	H4	107.390	Se1	C2	H6	110.483
Se1	C2	H7	110.483	Se1	C3	H5	107.390
Se1	C3	H8	110.483	Se1	C3	H9	110.483
C2	Se1	C3	95.807	H4	C2	H6	109.174
H4	C2	H7	109.174	H5	C3	H8	109.174
H5	C3	H9	109.174	H6	C2	H7	110.077
H8	C3	H9	110.077

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)

using model chemistry: QCISD(T)/cc-pVDZ

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: QCISD(T)/cc-pVDZ

States and conformations

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)