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All results from a given calculation for CH3SeCH3 (dimethylselenide)

using model chemistry: MP3=FULL/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-2479.864894
Energy at 298.15K-2479.869017
HF Energy-2479.141867
Nuclear repulsion energy188.181044
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 MP3=FULL/aug-cc-pVTZ
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 3193 3193 6.88      
2 A1 3116 3116 21.77      
3 A1 1517 1517 0.76      
4 A1 1358 1358 0.82      
5 A1 998 998 14.48      
6 A1 632 632 0.03      
7 A1 218 218 0.00      
8 A2 3192 3192 0.00      
9 A2 1499 1499 0.00      
10 A2 916 916 0.00      
11 A2 132 132 0.00      
12 B1 3185 3185 10.13      
13 B1 1508 1508 12.23      
14 B1 951 951 7.14      
15 B1 161 161 0.19      
16 B2 3194 3194 2.05      
17 B2 3121 3121 17.98      
18 B2 1507 1507 13.23      
19 B2 1337 1337 4.91      
20 B2 873 873 0.14      
21 B2 648 648 1.45      

Unscaled Zero Point Vibrational Energy (zpe) 16628.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16628.2 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 MP3=FULL/aug-cc-pVTZ
ABC
0.37793 0.23671 0.15405

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.475
C2 0.000 1.431 -0.822
C3 0.000 -1.431 -0.822
H4 0.000 2.366 -0.275
H5 0.000 -2.366 -0.275
H6 0.891 1.372 -1.435
H7 -0.891 1.372 -1.435
H8 -0.891 -1.372 -1.435
H9 0.891 -1.372 -1.435

Atom - Atom Distances (Å)
  Se1 C2 C3 H4 H5 H6 H7 H8 H9
Se11.93121.93122.48212.48212.51462.51462.51462.5146
C21.93122.86221.08333.83641.08311.08313.00403.0040
C31.93122.86223.83641.08333.00403.00401.08311.0831
H42.48211.08333.83644.73221.76891.76894.01374.0137
H52.48213.83641.08334.73224.01374.01371.76891.7689
H62.51461.08313.00401.76894.01371.78133.27072.7430
H72.51461.08313.00401.76894.01371.78132.74303.2707
H82.51463.00401.08314.01371.76893.27072.74301.7813
H92.51463.00401.08314.01371.76892.74303.27071.7813

picture of dimethylselenide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Se1 C2 H4 107.492 Se1 C2 H6 109.850
Se1 C2 H7 109.850 Se1 C3 H5 107.492
Se1 C3 H8 109.850 Se1 C3 H9 109.850
C2 Se1 C3 95.637 H4 C2 H6 109.478
H4 C2 H7 109.478 H5 C3 H8 109.478
H5 C3 H9 109.478 H6 C2 H7 110.636
H8 C3 H9 110.636
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability