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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: LSDA/aug-cc-pV(T+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at LSDA/aug-cc-pV(T+d)Z
 hartrees
Energy at 0K-474.114974
Energy at 298.15K 
HF Energy-474.114974
Nuclear repulsion energy79.192408
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 LSDA/aug-cc-pV(T+d)Z
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 3075 3075 46.87      
2 A1 1831 1831 396.58      
3 A1 1289 1289 6.82      
4 A1 867 867 10.42      
5 B1 656 656 79.23      
6 B1 424 424 10.91      
7 B2 3155 3155 12.34      
8 B2 868 868 0.02      
9 B2 353 353 4.03      

Unscaled Zero Point Vibrational Energy (zpe) 6259.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6259.0 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 LSDA/aug-cc-pV(T+d)Z
ABC
9.51550 0.19085 0.18710

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/aug-cc-pV(T+d)Z

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.743
C2 0.000 0.000 -0.442
S3 0.000 0.000 1.107
H4 0.000 0.938 -2.303
H5 0.000 -0.938 -2.303

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.30112.85021.09191.0919
C21.30111.54912.08372.0837
S32.85021.54913.53653.5365
H41.09192.08373.53651.8750
H51.09192.08373.53651.8750

picture of Thioketene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 180.000 C2 C1 H4 120.840
C2 C1 H5 120.840 H4 C1 H5 118.320
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.617      
2 C 0.336      
3 S -0.240      
4 H 0.260      
5 H 0.260      


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 -1.001 1.001
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.502 0.000 0.000
y 0.000 -23.484 0.000
z 0.000 0.000 -21.441
Traceless
 xyz
x -5.040 0.000 0.000
y 0.000 0.988 0.000
z 0.000 0.000 4.052
Polar
3z2-r28.105
x2-y2-4.018
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.129 0.000 0.000
y 0.000 5.057 0.000
z 0.000 0.000 11.681


<r2> (average value of r2) Å2
<r2> 66.457
(<r2>)1/2 8.152