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All results from a given calculation for CH3SeCH3 (dimethylselenide)

using model chemistry: CCD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCD/cc-pVDZ
 hartrees
Energy at 0K-2479.509788
Energy at 298.15K-2479.513897
HF Energy-2479.035999
Nuclear repulsion energy185.641173
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 CCD/cc-pVDZ
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 3188 3050 9.66      
2 A1 3076 2943 23.34      
3 A1 1485 1420 0.11      
4 A1 1342 1284 3.14      
5 A1 986 943 16.51      
6 A1 614 587 0.12      
7 A1 217 208 0.00      
8 A2 3182 3045 0.00      
9 A2 1463 1400 0.00      
10 A2 908 869 0.00      
11 A2 153 147 0.00      
12 B1 3177 3040 22.23      
13 B1 1472 1408 11.31      
14 B1 938 897 9.35      
15 B1 155 149 0.36      
16 B2 3188 3050 3.57      
17 B2 3079 2946 25.25      
18 B2 1478 1414 13.64      
19 B2 1318 1261 12.58      
20 B2 868 830 0.33      
21 B2 632 605 1.33      

Unscaled Zero Point Vibrational Energy (zpe) 16460.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 15747.5 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 CCD/cc-pVDZ
ABC
0.37131 0.22902 0.14994

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.479
C2 0.000 1.453 -0.827
C3 0.000 -1.453 -0.827
H4 0.000 2.402 -0.265
H5 0.000 -2.402 -0.265
H6 0.903 1.408 -1.458
H7 -0.903 1.408 -1.458
H8 -0.903 -1.408 -1.458
H9 0.903 -1.408 -1.458

Atom - Atom Distances (Å)
  Se1 C2 C3 H4 H5 H6 H7 H8 H9
Se11.95351.95352.51452.51452.55892.55892.55892.5589
C21.95352.90681.10243.89611.10271.10273.06623.0662
C31.95352.90683.89611.10243.06623.06621.10271.1027
H42.51451.10243.89614.80401.79611.79614.09334.0933
H52.51453.89611.10244.80404.09334.09331.79611.7961
H62.55891.10273.06621.79614.09331.80643.34572.8162
H72.55891.10273.06621.79614.09331.80642.81623.3457
H82.55893.06621.10274.09331.79613.34572.81621.8064
H92.55893.06621.10274.09331.79612.81623.34571.8064

picture of dimethylselenide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Se1 C2 H4 107.439 Se1 C2 H6 110.597
Se1 C2 H7 110.597 Se1 C3 H5 107.439
Se1 C3 H8 110.597 Se1 C3 H9 110.597
C2 Se1 C3 96.141 H4 C2 H6 109.080
H4 C2 H7 109.080 H5 C3 H8 109.080
H5 C3 H9 109.080 H6 C2 H7 109.987
H8 C3 H9 109.987
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability