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	hartrees
Energy at 0K	-2479.483683
Energy at 298.15K	-2479.487818
HF Energy	-2479.036199
Nuclear repulsion energy	186.468685

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3215	3056	6.95
2	A₁	3092	2938	21.92
3	A₁	1483	1409	0.10
4	A₁	1333	1267	2.67
5	A₁	985	936	17.39
6	A₁	625	594	0.19
7	A₁	216	206	0.00
8	A₂	3211	3051	0.00
9	A₂	1460	1388	0.00
10	A₂	908	863	0.00
11	A₂	159	151	0.00
12	B₁	3204	3045	16.22
13	B₁	1470	1397	13.16
14	B₁	939	893	10.85
15	B₁	162	154	0.39
16	B₂	3216	3056	1.58
17	B₂	3096	2943	21.80
18	B₂	1475	1402	15.65
19	B₂	1308	1243	10.69
20	B₂	868	825	0.54
21	B₂	642	610	1.40

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	0.000	0.478
C2	0.000	1.443	-0.825
C3	0.000	-1.443	-0.825
H4	0.000	2.391	-0.267
H5	0.000	-2.391	-0.267
H6	0.901	1.396	-1.454
H7	-0.901	1.396	-1.454
H8	-0.901	-1.396	-1.454
H9	0.901	-1.396	-1.454

	Se1	C2	C3	H4	H5	H6	H7	H8	H9
Se1		1.9443	1.9443	2.5047	2.5047	2.5486	2.5486	2.5486	2.5486
C2	1.9443		2.8862	1.1001	3.8747	1.1003	1.1003	3.0447	3.0447
C3	1.9443	2.8862		3.8747	1.1001	3.0447	3.0447	1.1003	1.1003
H4	2.5047	1.1001	3.8747		4.7825	1.7921	1.7921	4.0702	4.0702
H5	2.5047	3.8747	1.1001	4.7825		4.0702	4.0702	1.7921	1.7921
H6	2.5486	1.1003	3.0447	1.7921	4.0702		1.8030	3.3240	2.7925
H7	2.5486	1.1003	3.0447	1.7921	4.0702	1.8030		2.7925	3.3240
H8	2.5486	3.0447	1.1003	4.0702	1.7921	3.3240	2.7925		1.8030
H9	2.5486	3.0447	1.1003	4.0702	1.7921	2.7925	3.3240	1.8030

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Se1	C2	H4	107.448	Se1	C2	H6	110.585
Se1	C2	H7	110.585	Se1	C3	H5	107.448
Se1	C3	H8	110.585	Se1	C3	H9	110.585
C2	Se1	C3	95.839	H4	C2	H6	109.066
H4	C2	H7	109.066	H5	C3	H8	109.066
H5	C3	H9	109.066	H6	C2	H7	110.029
H8	C3	H9	110.029

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)

using model chemistry: MP2=FULL/cc-pVDZ

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/cc-pVDZ

States and conformations

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)