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	hartrees
Energy at 0K	-2477.520623
Energy at 298.15K	-2477.524849
HF Energy	-2476.991085
Nuclear repulsion energy	187.791823

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3196	3027	6.79
2	A₁	3095	2933	15.97
3	A₁	1517	1437	0.27
4	A₁	1363	1292	1.57
5	A₁	997	945	17.63
6	A₁	648	614	0.08
7	A₁	220	209	0.03
8	A₂	3193	3025	0.00
9	A₂	1499	1420	0.00
10	A₂	912	864	0.00
11	A₂	175	165	0.00
12	B₁	3188	3020	12.58
13	B₁	1509	1429	10.51
14	B₁	945	896	8.43
15	B₁	181	171	0.31
16	B₂	3196	3028	1.44
17	B₂	3098	2935	16.77
18	B₂	1511	1432	13.06
19	B₂	1338	1268	8.04
20	B₂	871	825	0.29
21	B₂	665	630	1.37

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	0.000	0.468
C2	0.000	1.447	-0.808
C3	0.000	-1.447	-0.808
H4	0.000	2.380	-0.244
H5	0.000	-2.380	-0.244
H6	0.893	1.413	-1.433
H7	-0.893	1.413	-1.433
H8	-0.893	-1.413	-1.433
H9	0.893	-1.413	-1.433

	Se1	C2	C3	H4	H5	H6	H7	H8	H9
Se1		1.9291	1.9291	2.4842	2.4842	2.5316	2.5316	2.5316	2.5316
C2	1.9291		2.8932	1.0904	3.8678	1.0902	1.0902	3.0606	3.0606
C3	1.9291	2.8932		3.8678	1.0904	3.0606	3.0606	1.0902	1.0902
H4	2.4842	1.0904	3.8678		4.7598	1.7732	1.7732	4.0742	4.0742
H5	2.4842	3.8678	1.0904	4.7598		4.0742	4.0742	1.7732	1.7732
H6	2.5316	1.0902	3.0606	1.7732	4.0742		1.7854	3.3435	2.8269
H7	2.5316	1.0902	3.0606	1.7732	4.0742	1.7854		2.8269	3.3435
H8	2.5316	3.0606	1.0902	4.0742	1.7732	3.3435	2.8269		1.7854
H9	2.5316	3.0606	1.0902	4.0742	1.7732	2.8269	3.3435	1.7854

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Se1	C2	H4	107.446	Se1	C2	H6	110.880
Se1	C2	H7	110.880	Se1	C3	H5	107.446
Se1	C3	H8	110.880	Se1	C3	H9	110.880
C2	Se1	C3	97.164	H4	C2	H6	108.811
H4	C2	H7	108.811	H5	C3	H8	108.811
H5	C3	H9	108.811	H6	C2	H7	109.935
H8	C3	H9	109.935

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)

using model chemistry: QCISD/6-31G(2df,p)

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/6-31G(2df,p)

States and conformations

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)