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	hartrees
Energy at 0K	-2479.577625
Energy at 298.15K	-2479.581649
HF Energy	-2479.042452
Nuclear repulsion energy	185.168136

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3153	3075
2	A₁	3037	2962
3	A₁	1458	1421
4	A₁	1314	1281
5	A₁	968	944
6	A₁	597	582
7	A₁	206	201
8	A₂	3143	3065
9	A₂	1439	1403
10	A₂	885	863
11	A₂	139	136
12	B₁	3137	3059
13	B₁	1450	1414
14	B₁	917	894
15	B₁	150	146
16	B₂	3154	3075
17	B₂	3041	2966
18	B₂	1451	1415
19	B₂	1291	1259
20	B₂	852	831
21	B₂	615	600

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	0.000	0.484
C2	0.000	1.451	-0.836
C3	0.000	-1.451	-0.836
H4	0.000	2.404	-0.284
H5	0.000	-2.404	-0.284
H6	0.905	1.392	-1.462
H7	-0.905	1.392	-1.462
H8	-0.905	-1.392	-1.462
H9	0.905	-1.392	-1.462

	Se1	C2	C3	H4	H5	H6	H7	H8	H9
Se1		1.9621	1.9621	2.5242	2.5242	2.5581	2.5581	2.5581	2.5581
C2	1.9621		2.9025	1.1016	3.8951	1.1019	1.1019	3.0485	3.0485
C3	1.9621	2.9025		3.8951	1.1016	3.0485	3.0485	1.1019	1.1019
H4	2.5242	1.1016	3.8951		4.8089	1.7978	1.7978	4.0765	4.0765
H5	2.5242	3.8951	1.1016	4.8089		4.0765	4.0765	1.7978	1.7978
H6	2.5581	1.1019	3.0485	1.7978	4.0765		1.8100	3.3203	2.7836
H7	2.5581	1.1019	3.0485	1.7978	4.0765	1.8100		2.7836	3.3203
H8	2.5581	3.0485	1.1019	4.0765	1.7978	3.3203	2.7836		1.8100
H9	2.5581	3.0485	1.1019	4.0765	1.7978	2.7836	3.3203	1.8100

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Se1	C2	H4	107.618	Se1	C2	H6	110.015
Se1	C2	H7	110.015	Se1	C3	H5	107.618
Se1	C3	H8	110.015	Se1	C3	H9	110.015
C2	Se1	C3	95.404	H4	C2	H6	109.352
H4	C2	H7	109.352	H5	C3	H8	109.352
H5	C3	H9	109.352	H6	C2	H7	110.437
H8	C3	H9	110.437

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)

using model chemistry: MP4=FULL/aug-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: MP4=FULL/aug-cc-pVDZ

States and conformations

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)