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	hartrees
Energy at 0K	-2479.539537
Energy at 298.15K	-2479.543616
HF Energy	-2479.035862
Nuclear repulsion energy	185.519527

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3176	3065
2	A₁	3060	2953
3	A₁	1476	1424
4	A₁	1327	1281
5	A₁	975	941
6	A₁	606	584
7	A₁	213	206
8	A₂	3169	3059
9	A₂	1454	1404
10	A₂	898	867
11	A₂	153	148
12	B₁	3163	3053
13	B₁	1464	1412
14	B₁	929	897
15	B₁	155	149
16	B₂	3176	3065
17	B₂	3063	2956
18	B₂	1469	1418
19	B₂	1302	1257
20	B₂	857	827
21	B₂	623	601

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	0.000	0.481
C2	0.000	1.451	-0.830
C3	0.000	-1.451	-0.830
H4	0.000	2.402	-0.271
H5	0.000	-2.402	-0.271
H6	0.904	1.403	-1.461
H7	-0.904	1.403	-1.461
H8	-0.904	-1.403	-1.461
H9	0.904	-1.403	-1.461

	Se1	C2	C3	H4	H5	H6	H7	H8	H9
Se1		1.9554	1.9554	2.5165	2.5165	2.5606	2.5606	2.5606	2.5606
C2	1.9554		2.9019	1.1031	3.8931	1.1034	1.1034	3.0596	3.0596
C3	1.9554	2.9019		3.8931	1.1031	3.0596	3.0596	1.1034	1.1034
H4	2.5165	1.1031	3.8931		4.8034	1.7976	1.7976	4.0879	4.0879
H5	2.5165	3.8931	1.1031	4.8034		4.0879	4.0879	1.7976	1.7976
H6	2.5606	1.1034	3.0596	1.7976	4.0879		1.8078	3.3381	2.8063
H7	2.5606	1.1034	3.0596	1.7976	4.0879	1.8078		2.8063	3.3381
H8	2.5606	3.0596	1.1034	4.0879	1.7976	3.3381	2.8063		1.8078
H9	2.5606	3.0596	1.1034	4.0879	1.7976	2.8063	3.3381	1.8078

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Se1	C2	H4	107.434	Se1	C2	H6	110.563
Se1	C2	H7	110.563	Se1	C3	H5	107.434
Se1	C3	H8	110.563	Se1	C3	H9	110.563
C2	Se1	C3	95.811	H4	C2	H6	109.110
H4	C2	H7	109.110	H5	C3	H8	109.110
H5	C3	H9	109.110	H6	C2	H7	110.002
H8	C3	H9	110.002

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)

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

States and conformations

All results from a given calculation for CH₃SeCH₃ (dimethylselenide)