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All results from a given calculation for CH3SeCH3 (dimethylselenide)

using model chemistry: PBEPBEultrafine/aug-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 PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-2480.870707
Energy at 298.15K-2480.874635
HF Energy-2480.870707
Nuclear repulsion energy184.475450
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 PBEPBEultrafine/aug-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 3093 3074 9.39      
2 A1 2978 2959 25.16      
3 A1 1391 1382 0.55      
4 A1 1243 1236 1.82      
5 A1 932 926 13.49      
6 A1 576 573 0.25      
7 A1 202 201 0.02      
8 A2 3083 3064 0.00      
9 A2 1374 1365 0.00      
10 A2 849 844 0.00      
11 A2 144 143 0.00      
12 B1 3076 3057 13.74      
13 B1 1383 1374 11.16      
14 B1 880 874 9.32      
15 B1 143 143 0.28      
16 B2 3094 3075 1.90      
17 B2 2981 2963 21.62      
18 B2 1384 1375 14.73      
19 B2 1219 1212 7.42      
20 B2 817 812 0.40      
21 B2 589 586 0.96      

Unscaled Zero Point Vibrational Energy (zpe) 15714.5 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 15618.7 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 PBEPBEultrafine/aug-cc-pVDZ
ABC
0.37080 0.22403 0.14777

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-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 1.471 -0.828
C3 0.000 -1.471 -0.828
H4 0.000 2.413 -0.252
H5 0.000 -2.413 -0.252
H6 0.907 1.429 -1.457
H7 -0.907 1.429 -1.457
H8 -0.907 -1.429 -1.457
H9 0.907 -1.429 -1.457

Atom - Atom Distances (Å)
  Se1 C2 C3 H4 H5 H6 H7 H8 H9
Se11.96811.96812.52132.52132.57082.57082.57082.5708
C21.96812.94301.10363.92691.10391.10393.10313.1031
C31.96812.94303.92691.10363.10313.10311.10391.1039
H42.52131.10363.92694.82601.80011.80014.12714.1271
H52.52133.92691.10364.82604.12714.12711.80011.8001
H62.57081.10393.10311.80014.12711.81343.38472.8580
H72.57081.10393.10311.80014.12711.81342.85803.3847
H82.57083.10311.10394.12711.80013.38472.85801.8134
H92.57083.10311.10394.12711.80012.85803.38471.8134

picture of dimethylselenide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Se1 C2 H4 106.937 Se1 C2 H6 110.436
Se1 C2 H7 110.436 Se1 C3 H5 106.937
Se1 C3 H8 110.436 Se1 C3 H9 110.436
C2 Se1 C3 96.778 H4 C2 H6 109.256
H4 C2 H7 109.256 H5 C3 H8 109.256
H5 C3 H9 109.256 H6 C2 H7 110.441
H8 C3 H9 110.441
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 0.540      
2 C 0.386      
3 C 0.386      
4 H -0.283      
5 H -0.283      
6 H -0.187      
7 H -0.187      
8 H -0.187      
9 H -0.187      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.494 1.494
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.840 0.000 0.000
y 0.000 -29.594 0.000
z 0.000 0.000 -32.968
Traceless
 xyz
x -3.559 0.000 0.000
y 0.000 4.309 0.000
z 0.000 0.000 -0.751
Polar
3z2-r2-1.501
x2-y2-5.245
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.407 0.000 0.000
y 0.000 10.057 0.000
z 0.000 0.000 8.712


<r2> (average value of r2) Å2
<r2> 93.999
(<r2>)1/2 9.695