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All results from a given calculation for CH3SeH (Methane selenol)

using model chemistry: HF/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/cc-pVDZ
 hartrees
Energy at 0K-2440.003572
Energy at 298.15K-2440.005677
Nuclear repulsion energy100.296459
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 HF/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 A' 3317 3012 7.05      
2 A' 3213 2917 31.82      
3 A' 2580 2343 36.41      
4 A' 1578 1433 6.86      
5 A' 1422 1291 18.84      
6 A' 1091 991 20.47      
7 A' 765 695 0.79      
8 A' 629 571 0.71      
9 A" 3326 3020 7.78      
10 A" 1567 1423 4.57      
11 A" 988 897 7.23      
12 A" 221 201 6.99      

Unscaled Zero Point Vibrational Energy (zpe) 10348.3 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 9396.3 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 HF/cc-pVDZ
ABC
3.19308 0.31145 0.30007

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 -0.031 -0.421 0.000
C2 -0.031 1.535 0.000
H3 1.419 -0.580 0.000
H4 -1.077 1.838 0.000
H5 0.455 1.915 0.895
H6 0.455 1.915 -0.895

Atom - Atom Distances (Å)
  Se1 C2 H3 H4 H5 H6
Se11.95571.45852.48902.54842.5484
C21.95572.56431.08871.08721.0872
H31.45852.56433.47482.82052.8205
H42.48901.08873.47481.77611.7761
H52.54841.08722.82051.77611.7895
H62.54841.08722.82051.77611.7895

picture of Methane selenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Se1 C2 H4 106.158 Se1 C2 H5 110.473
Se1 C2 H6 110.473 C2 Se1 H3 96.274
H4 C2 H5 109.427 H4 C2 H6 109.427
H5 C2 H6 110.769
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se -0.050      
2 C -0.208      
3 H 0.030      
4 H 0.076      
5 H 0.077      
6 H 0.077      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.625 1.388 0.000 1.522
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.497 -1.026 0.000
y -1.026 -24.659 0.000
z 0.000 0.000 -28.250
Traceless
 xyz
x 1.958 -1.026 0.000
y -1.026 1.715 0.000
z 0.000 0.000 -3.673
Polar
3z2-r2-7.345
x2-y20.162
xy-1.026
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.657 -0.351 0.000
y -0.351 6.011 0.000
z 0.000 0.000 3.315


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000