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	hartrees
Energy at 0K	-23.761399
Energy at 298.15K	-23.765289
HF Energy	-23.550101
Nuclear repulsion energy	40.981150

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3172	3065	31.38
2	A₁	3044	2941	43.89
3	A₁	1491	1441	1.42
4	A₁	1389	1342	4.38
5	A₁	1003	969	31.86
6	A₁	558	539	0.03
7	A₁	202	195	0.00
8	A₂	3172	3065	0.00
9	A₂	1464	1414	0.00
10	A₂	920	889	0.00
11	A₂	102	99	0.00
12	B₁	3168	3061	69.12
13	B₁	1470	1421	20.83
14	B₁	952	920	23.53
15	B₁	128	124	0.26
16	B₂	3172	3065	16.40
17	B₂	3047	2944	56.79
18	B₂	1482	1432	14.78
19	B₂	1364	1318	5.14
20	B₂	878	848	0.13
21	B₂	582	563	0.91

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	0.000	0.493
C2	0.000	1.500	-0.856
C3	0.000	-1.500	-0.856
H4	0.000	2.448	-0.281
H5	0.000	-2.448	-0.281
H6	0.910	1.452	-1.486
H7	-0.910	1.452	-1.486
H8	-0.910	-1.452	-1.486
H9	0.910	-1.452	-1.486

	Se1	C2	C3	H4	H5	H6	H7	H8	H9
Se1		2.0175	2.0175	2.5674	2.5674	2.6182	2.6182	2.6182	2.6182
C2	2.0175		3.0007	1.1084	3.9899	1.1082	1.1082	3.1532	3.1532
C3	2.0175	3.0007		3.9899	1.1084	3.1532	3.1532	1.1082	1.1082
H4	2.5674	1.1084	3.9899		4.8959	1.8092	1.8092	4.1823	4.1823
H5	2.5674	3.9899	1.1084	4.8959		4.1823	4.1823	1.8092	1.8092
H6	2.6182	1.1082	3.1532	1.8092	4.1823		1.8199	3.4273	2.9042
H7	2.6182	1.1082	3.1532	1.8092	4.1823	1.8199		2.9042	3.4273
H8	2.6182	3.1532	1.1082	4.1823	1.8092	3.4273	2.9042		1.8199
H9	2.6182	3.1532	1.1082	4.1823	1.8092	2.9042	3.4273	1.8199

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Se1	C2	H4	106.800	Se1	C2	H6	110.371
Se1	C2	H7	110.371	Se1	C3	H5	106.800
Se1	C3	H8	110.371	Se1	C3	H9	110.371
C2	Se1	C3	96.090	H4	C2	H6	109.415
H4	C2	H7	109.415	H5	C3	H8	109.415
H5	C3	H9	109.415	H6	C2	H7	110.393
H8	C3	H9	110.393

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)

using model chemistry: MP2/CEP-31G

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/CEP-31G

States and conformations

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)