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	hartrees
Energy at 0K	-2451.995850
Energy at 298.15K	-2451.999963
HF Energy	-2451.861886
Nuclear repulsion energy	185.770376

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3553	3158	0.77
2	A₁	3359	2986	2.00
3	A₁	1732	1539	0.01
4	A₁	1572	1397	4.37
5	A₁	1106	983	14.87
6	A₁	716	636	0.98
7	A₁	251	223	0.15
8	A₂	3537	3144	0.00
9	A₂	1719	1528	0.00
10	A₂	1047	930	0.00
11	A₂	150	133	0.00
12	B₁	3535	3142	6.73
13	B₁	1720	1529	5.86
14	B₁	1070	951	0.75
15	B₁	140	125	0.39
16	B₂	3552	3157	0.00
17	B₂	3361	2988	1.46
18	B₂	1730	1538	6.93
19	B₂	1550	1378	23.35
20	B₂	1010	898	0.03
21	B₂	729	648	0.15

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	0.000	0.481
C2	0.000	1.446	-0.826
C3	0.000	-1.446	-0.826
H4	0.000	2.408	-0.288
H5	0.000	-2.408	-0.288
H6	0.896	1.408	-1.470
H7	-0.896	1.408	-1.470
H8	-0.896	-1.408	-1.470
H9	0.896	-1.408	-1.470

	Se1	C2	C3	H4	H5	H6	H7	H8	H9
Se1		1.9489	1.9489	2.5283	2.5283	2.5677	2.5677	2.5677	2.5677
C2	1.9489		2.8916	1.1023	3.8914	1.1040	1.1040	3.0599	3.0599
C3	1.9489	2.8916		3.8914	1.1023	3.0599	3.0599	1.1040	1.1040
H4	2.5283	1.1023	3.8914		4.8167	1.7885	1.7885	4.0945	4.0945
H5	2.5283	3.8914	1.1023	4.8167		4.0945	4.0945	1.7885	1.7885
H6	2.5677	1.1040	3.0599	1.7885	4.0945		1.7912	3.3378	2.8164
H7	2.5677	1.1040	3.0599	1.7885	4.0945	1.7912		2.8164	3.3378
H8	2.5677	3.0599	1.1040	4.0945	1.7885	3.3378	2.8164		1.7912
H9	2.5677	3.0599	1.1040	4.0945	1.7885	2.8164	3.3378	1.7912

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Se1	C2	H4	108.719	Se1	C2	H6	111.479
Se1	C2	H7	111.479	Se1	C3	H5	108.719
Se1	C3	H8	111.479	Se1	C3	H9	111.479
C2	Se1	C3	95.778	H4	C2	H6	108.316
H4	C2	H7	108.316	H5	C3	H8	108.316
H5	C3	H9	108.316	H6	C2	H7	108.432
H8	C3	H9	108.432

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)

using model chemistry: MP2=FULL/STO-3G

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/STO-3G

States and conformations

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)