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

using model chemistry: BLYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-31G**
 hartrees
Energy at 0K-2439.869676
Energy at 298.15K-2439.871572
Nuclear repulsion energy98.627282
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 BLYP/6-31G**
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' 3103 3079 8.00      
2 A' 3007 2984 18.36      
3 A' 2306 2289 33.63      
4 A' 1461 1450 5.84      
5 A' 1285 1275 17.19      
6 A' 988 981 16.64      
7 A' 718 712 0.03      
8 A' 538 534 0.32      
9 A" 3111 3087 7.51      
10 A" 1453 1442 2.93      
11 A" 884 877 8.09      
12 A" 174 173 4.51      

Unscaled Zero Point Vibrational Energy (zpe) 9514.7 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 9441.4 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 BLYP/6-31G**
ABC
3.11584 0.30002 0.28920

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 -0.032 -0.429 0.000
C2 -0.032 1.567 0.000
H3 1.439 -0.552 0.000
H4 -1.088 1.863 0.000
H5 0.458 1.943 0.906
H6 0.458 1.943 -0.906

Atom - Atom Distances (Å)
  Se1 C2 H3 H4 H5 H6
Se11.99661.47592.52442.58602.5860
C21.99662.57971.09731.09591.0959
H31.47592.57973.49602.83002.8300
H42.52441.09733.49601.79341.7934
H52.58601.09592.83001.79341.8116
H62.58601.09592.83001.79341.8116

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 105.653 Se1 C2 H5 110.045
Se1 C2 H6 110.045 C2 Se1 H3 94.773
H4 C2 H5 109.718 H4 C2 H6 109.718
H5 C2 H6 111.496
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se -0.118      
2 C -0.356      
3 H 0.076      
4 H 0.131      
5 H 0.133      
6 H 0.133      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.495 1.319 0.000 1.409
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.214 -0.802 0.000
y -0.802 -24.156 0.000
z 0.000 0.000 -27.970
Traceless
 xyz
x 1.849 -0.802 0.000
y -0.802 1.936 0.000
z 0.000 0.000 -3.785
Polar
3z2-r2-7.570
x2-y2-0.058
xy-0.802
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.729 -0.234 0.000
y -0.234 6.039 0.000
z 0.000 0.000 3.918


<r2> (average value of r2) Å2
<r2> 53.580
(<r2>)1/2 7.320