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	hartrees
Energy at 0K	-2477.538649
Energy at 298.15K	-2477.542840
HF Energy	-2476.990938
Nuclear repulsion energy	187.532744

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3184	3184
2	A₁	3081	3081
3	A₁	1506	1506
4	A₁	1349	1349
5	A₁	987	987
6	A₁	640	640
7	A₁	217	217
8	A₂	3178	3178
9	A₂	1488	1488
10	A₂	903	903
11	A₂	172	172
12	B₁	3173	3173
13	B₁	1499	1499
14	B₁	937	937
15	B₁	175	175
16	B₂	3185	3185
17	B₂	3084	3084
18	B₂	1501	1501
19	B₂	1324	1324
20	B₂	862	862
21	B₂	657	657

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	0.000	0.470
C2	0.000	1.446	-0.812
C3	0.000	-1.446	-0.812
H4	0.000	2.382	-0.251
H5	0.000	-2.382	-0.251
H6	0.894	1.408	-1.437
H7	-0.894	1.408	-1.437
H8	-0.894	-1.408	-1.437
H9	0.894	-1.408	-1.437

	Se1	C2	C3	H4	H5	H6	H7	H8	H9
Se1		1.9325	1.9325	2.4885	2.4885	2.5341	2.5341	2.5341	2.5341
C2	1.9325		2.8913	1.0913	3.8682	1.0915	1.0915	3.0553	3.0553
C3	1.9325	2.8913		3.8682	1.0913	3.0553	3.0553	1.0915	1.0915
H4	2.4885	1.0913	3.8682		4.7634	1.7759	1.7759	4.0707	4.0707
H5	2.4885	3.8682	1.0913	4.7634		4.0707	4.0707	1.7759	1.7759
H6	2.5341	1.0915	3.0553	1.7759	4.0707		1.7877	3.3360	2.8166
H7	2.5341	1.0915	3.0553	1.7759	4.0707	1.7877		2.8166	3.3360
H8	2.5341	3.0553	1.0915	4.0707	1.7759	3.3360	2.8166		1.7877
H9	2.5341	3.0553	1.0915	4.0707	1.7759	2.8166	3.3360	1.7877

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Se1	C2	H4	107.487	Se1	C2	H6	110.768
Se1	C2	H7	110.768	Se1	C3	H5	107.487
Se1	C3	H8	110.768	Se1	C3	H9	110.768
C2	Se1	C3	96.848	H4	C2	H6	108.898
H4	C2	H7	108.898	H5	C3	H8	108.898
H5	C3	H9	108.898	H6	C2	H7	109.952
H8	C3	H9	109.952

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)

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

States and conformations

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)