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	hartrees
Energy at 0K	-2467.807824
Energy at 298.15K	-2467.812013
HF Energy	-2467.480361
Nuclear repulsion energy	184.759535

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3188	3023	7.80
2	A₁	3092	2931	17.03
3	A₁	1585	1502	0.30
4	A₁	1421	1347	3.24
5	A₁	1036	982	21.21
6	A₁	615	583	0.71
7	A₁	221	210	0.13
8	A₂	3189	3023	0.00
9	A₂	1566	1485	0.00
10	A₂	951	901	0.00
11	A₂	169	160	0.00
12	B₁	3185	3019	17.79
13	B₁	1576	1494	14.87
14	B₁	981	930	13.84
15	B₁	157	149	0.39
16	B₂	3189	3023	2.85
17	B₂	3096	2935	15.65
18	B₂	1578	1496	15.64
19	B₂	1398	1326	8.56
20	B₂	920	872	1.01
21	B₂	636	603	0.12

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	0.000	0.485
C2	0.000	1.460	-0.840
C3	0.000	-1.460	-0.840
H4	0.000	2.401	-0.284
H5	0.000	-2.401	-0.284
H6	0.898	1.396	-1.459
H7	-0.898	1.396	-1.459
H8	-0.898	-1.396	-1.459
H9	0.898	-1.396	-1.459

	Se1	C2	C3	H4	H5	H6	H7	H8	H9
Se1		1.9719	1.9719	2.5212	2.5212	2.5564	2.5564	2.5564	2.5564
C2	1.9719		2.9199	1.0930	3.9007	1.0924	1.0924	3.0573	3.0573
C3	1.9719	2.9199		3.9007	1.0930	3.0573	3.0573	1.0924	1.0924
H4	2.5212	1.0930	3.9007		4.8019	1.7877	1.7877	4.0749	4.0749
H5	2.5212	3.9007	1.0930	4.8019		4.0749	4.0749	1.7877	1.7877
H6	2.5564	1.0924	3.0573	1.7877	4.0749		1.7964	3.3203	2.7924
H7	2.5564	1.0924	3.0573	1.7877	4.0749	1.7964		2.7924	3.3203
H8	2.5564	3.0573	1.0924	4.0749	1.7877	3.3203	2.7924		1.7964
H9	2.5564	3.0573	1.0924	4.0749	1.7877	2.7924	3.3203	1.7964

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Se1	C2	H4	107.182	Se1	C2	H6	109.716
Se1	C2	H7	109.716	Se1	C3	H5	107.182
Se1	C3	H8	109.716	Se1	C3	H9	109.716
C2	Se1	C3	95.530	H4	C2	H6	109.773
H4	C2	H7	109.773	H5	C3	H8	109.773
H5	C3	H9	109.773	H6	C2	H7	110.616
H8	C3	H9	110.616

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)

using model chemistry: MP2=FULL/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: MP2=FULL/3-21G*

States and conformations

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)