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	hartrees
Energy at 0K	-2477.292779
Energy at 298.15K	-2477.296922
HF Energy	-2476.830760
Nuclear repulsion energy	187.255750

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3252	3054	7.52
2	A₁	3129	2939	25.88
3	A₁	1528	1435	0.42
4	A₁	1394	1309	4.04
5	A₁	1029	967	18.28
6	A₁	617	580	0.25
7	A₁	215	202	0.00
8	A₂	3245	3048	0.00
9	A₂	1506	1415	0.00
10	A₂	951	894	0.00
11	A₂	146	138	0.00
12	B₁	3238	3041	11.63
13	B₁	1517	1425	13.86
14	B₁	984	924	9.19
15	B₁	162	152	0.28
16	B₂	3253	3055	2.90
17	B₂	3133	2943	21.64
18	B₂	1521	1428	15.97
19	B₂	1368	1285	8.19
20	B₂	910	855	0.01
21	B₂	629	590	0.99

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	0.000	0.477
C2	0.000	1.440	-0.823
C3	0.000	-1.440	-0.823
H4	0.000	2.378	-0.273
H5	0.000	-2.378	-0.273
H6	0.890	1.388	-1.445
H7	-0.890	1.388	-1.445
H8	-0.890	-1.388	-1.445
H9	0.890	-1.388	-1.445

	Se1	C2	C3	H4	H5	H6	H7	H8	H9
Se1		1.9400	1.9400	2.4928	2.4928	2.5317	2.5317	2.5317	2.5317
C2	1.9400		2.8808	1.0866	3.8573	1.0869	1.0869	3.0296	3.0296
C3	1.9400	2.8808		3.8573	1.0866	3.0296	3.0296	1.0869	1.0869
H4	2.4928	1.0866	3.8573		4.7550	1.7732	1.7732	4.0428	4.0428
H5	2.4928	3.8573	1.0866	4.7550		4.0428	4.0428	1.7732	1.7732
H6	2.5317	1.0869	3.0296	1.7732	4.0428		1.7803	3.2978	2.7760
H7	2.5317	1.0869	3.0296	1.7732	4.0428	1.7803		2.7760	3.2978
H8	2.5317	3.0296	1.0869	4.0428	1.7732	3.2978	2.7760		1.7803
H9	2.5317	3.0296	1.0869	4.0428	1.7732	2.7760	3.2978	1.7803

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Se1	C2	H4	107.526	Se1	C2	H6	110.317
Se1	C2	H7	110.317	Se1	C3	H5	107.526
Se1	C3	H8	110.317	Se1	C3	H9	110.317
C2	Se1	C3	95.883	H4	C2	H6	109.333
H4	C2	H7	109.333	H5	C3	H8	109.333
H5	C3	H9	109.333	H6	C2	H7	109.968
H8	C3	H9	109.968

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)

using model chemistry: MP2=FULL/6-31+G**

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/6-31+G**

States and conformations

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)