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

using model chemistry: CCSD(T)=FULL/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 CCSD(T)=FULL/6-31G*
 hartrees
Energy at 0K-2438.081001
Energy at 298.15K-2438.083022
HF Energy-2437.762078
Nuclear repulsion energy99.540152
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 CCSD(T)=FULL/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' 3191 3097        
2 A' 3092 3002        
3 A' 2376 2306        
4 A' 1530 1485        
5 A' 1366 1326        
6 A' 1030 999        
7 A' 739 717        
8 A' 584 567        
9 A" 3201 3108        
10 A" 1522 1477        
11 A" 933 905        
12 A" 217 211        

Unscaled Zero Point Vibrational Energy (zpe) 9889.9 cm-1
Scaled (by 0.9707) Zero Point Vibrational Energy (zpe) 9600.2 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 CCSD(T)=FULL/6-31G*
ABC
3.10254 0.30827 0.29657

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 -0.032 -0.424 0.000
C2 -0.032 1.544 0.000
H3 1.457 -0.549 0.000
H4 -1.083 1.848 0.000
H5 0.456 1.919 0.901
H6 0.456 1.919 -0.901

Atom - Atom Distances (Å)
  Se1 C2 H3 H4 H5 H6
Se11.96741.49432.50232.55752.5575
C21.96742.56861.09351.09191.0919
H31.49432.56863.49192.81202.8120
H42.50231.09353.49191.78511.7851
H52.55751.09192.81201.78511.8028
H62.55751.09192.81201.78511.8028

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 106.124 Se1 C2 H5 110.118
Se1 C2 H6 110.118 C2 Se1 H3 94.820
H4 C2 H5 109.533 H4 C2 H6 109.533
H5 C2 H6 111.279
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at CCSD(T)=FULL/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se -0.154      
2 C -0.564      
3 H 0.118      
4 H 0.197      
5 H 0.202      
6 H 0.202      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


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


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