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	hartrees
Energy at 0K	-2467.793262
Energy at 298.15K	-2467.797464
HF Energy	-2467.480618
Nuclear repulsion energy	184.921210

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3200	2990	9.33
2	A₁	3114	2910	19.02
3	A₁	1594	1489	0.61
4	A₁	1439	1345	2.36
5	A₁	1048	980	22.80
6	A₁	622	581	0.47
7	A₁	225	210	0.07
8	A₂	3201	2991	0.00
9	A₂	1576	1473	0.00
10	A₂	959	896	0.00
11	A₂	165	154	0.00
12	B₁	3198	2988	20.61
13	B₁	1585	1481	15.50
14	B₁	989	924	13.52
15	B₁	155	145	0.38
16	B₂	3200	2990	4.05
17	B₂	3114	2910	20.83
18	B₂	1587	1483	15.44
19	B₂	1418	1325	7.17
20	B₂	927	867	0.86
21	B₂	643	600	0.30

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	0.000	0.482
C2	0.000	1.463	-0.836
C3	0.000	-1.463	-0.836
H4	0.000	2.402	-0.279
H5	0.000	-2.402	-0.279
H6	0.896	1.404	-1.455
H7	-0.896	1.404	-1.455
H8	-0.896	-1.404	-1.455
H9	0.896	-1.404	-1.455

	Se1	C2	C3	H4	H5	H6	H7	H8	H9
Se1		1.9694	1.9694	2.5198	2.5198	2.5548	2.5548	2.5548	2.5548
C2	1.9694		2.9266	1.0912	3.9051	1.0905	1.0905	3.0674	3.0674
C3	1.9694	2.9266		3.9051	1.0912	3.0674	3.0674	1.0905	1.0905
H4	2.5198	1.0912	3.9051		4.8039	1.7831	1.7831	4.0832	4.0832
H5	2.5198	3.9051	1.0912	4.8039		4.0832	4.0832	1.7831	1.7831
H6	2.5548	1.0905	3.0674	1.7831	4.0832		1.7919	3.3317	2.8087
H7	2.5548	1.0905	3.0674	1.7831	4.0832	1.7919		2.8087	3.3317
H8	2.5548	3.0674	1.0905	4.0832	1.7831	3.3317	2.8087		1.7919
H9	2.5548	3.0674	1.0905	4.0832	1.7831	2.8087	3.3317	1.7919

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Se1	C2	H4	107.330	Se1	C2	H6	109.859
Se1	C2	H7	109.859	Se1	C3	H5	107.330
Se1	C3	H8	109.859	Se1	C3	H9	109.859
C2	Se1	C3	95.976	H4	C2	H6	109.625
H4	C2	H7	109.625	H5	C3	H8	109.625
H5	C3	H9	109.625	H6	C2	H7	110.485
H8	C3	H9	110.485

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)

using model chemistry: CISD/3-21G*

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: CISD/3-21G*

States and conformations

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)