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All results from a given calculation for CH3SeCH3 (dimethylselenide)

using model chemistry: B2PLYP=FULLultrafine/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP=FULLultrafine/6-311G*
 hartrees
Energy at 0K-2480.933751
Energy at 298.15K 
HF Energy-2480.676506
Nuclear repulsion energy185.528004
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B2PLYP=FULLultrafine/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3175 3175 12.90      
2 A1 3074 3074 27.83      
3 A1 1516 1516 0.60      
4 A1 1364 1364 3.21      
5 A1 1001 1001 22.33      
6 A1 591 591 0.38      
7 A1 213 213 0.01      
8 A2 3171 3171 0.00      
9 A2 1498 1498 0.00      
10 A2 919 919 0.00      
11 A2 158 158 0.00      
12 B1 3166 3166 25.21      
13 B1 1508 1508 17.61      
14 B1 949 949 14.80      
15 B1 155 155 0.38      
16 B2 3175 3175 4.63      
17 B2 3077 3077 27.40      
18 B2 1509 1509 18.28      
19 B2 1341 1341 7.73      
20 B2 882 882 0.35      
21 B2 607 607 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 16524.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16524.0 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULLultrafine/6-311G*
ABC
0.37343 0.22686 0.14916

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.478
C2 0.000 1.464 -0.827
C3 0.000 -1.464 -0.827
H4 0.000 2.396 -0.264
H5 0.000 -2.396 -0.264
H6 0.893 1.419 -1.447
H7 -0.893 1.419 -1.447
H8 -0.893 -1.419 -1.447
H9 0.893 -1.419 -1.447

Atom - Atom Distances (Å)
  Se1 C2 C3 H4 H5 H6 H7 H8 H9
Se11.96061.96062.50792.50792.55252.55252.55252.5525
C21.96062.92721.08853.89991.08841.08843.08053.0805
C31.96062.92723.89991.08853.08053.08051.08841.0884
H42.50791.08853.89994.79111.77511.77514.09194.0919
H52.50793.89991.08854.79114.09194.09191.77511.7751
H62.55251.08843.08051.77514.09191.78643.35272.8372
H72.55251.08843.08051.77514.09191.78642.83723.3527
H82.55253.08051.08844.09191.77513.35272.83721.7864
H92.55253.08051.08844.09191.77512.83723.35271.7864

picture of dimethylselenide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Se1 C2 H4 107.179 Se1 C2 H6 110.384
Se1 C2 H7 110.384 Se1 C3 H5 107.179
Se1 C3 H8 110.384 Se1 C3 H9 110.384
C2 Se1 C3 96.578 H4 C2 H6 109.262
H4 C2 H7 109.262 H5 C3 H8 109.262
H5 C3 H9 109.262 H6 C2 H7 110.305
H8 C3 H9 110.305
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability