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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: PBEPBEultrafine/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-475.276796
Energy at 298.15K 
HF Energy-475.276796
Nuclear repulsion energy78.409910
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/6-31G(2df,p)
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 3096 3064 29.22 179.40 0.12 0.22
2 A1 1813 1794 315.28 2.93 0.32 0.48
3 A1 1320 1307 3.70 20.99 0.55 0.71
4 A1 844 835 11.84 30.42 0.23 0.38
5 B1 644 637 74.62 0.15 0.75 0.86
6 B1 420 416 2.22 1.30 0.75 0.86
7 B2 3178 3145 5.48 104.51 0.75 0.86
8 B2 891 882 0.02 0.25 0.75 0.86
9 B2 357 353 1.94 0.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6281.8 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 6217.1 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/6-31G(2df,p)
ABC
9.50545 0.18682 0.18322

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.762
C2 0.000 0.000 -0.449
S3 0.000 0.000 1.119
H4 0.000 0.938 -2.322
H5 0.000 -0.938 -2.322

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.31362.88141.09241.0924
C21.31361.56782.09522.0952
S32.88141.56783.56683.5668
H41.09242.09523.56681.8760
H51.09242.09523.56681.8760

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 120.830
C2 C1 H5 120.830 H4 C1 H5 118.341
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.538      
2 C 0.334      
3 S -0.143      
4 H 0.173      
5 H 0.173      


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 -1.224 1.224
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.784 0.000 0.000
y 0.000 -23.030 0.000
z 0.000 0.000 -21.162
Traceless
 xyz
x -4.688 0.000 0.000
y 0.000 0.943 0.000
z 0.000 0.000 3.744
Polar
3z2-r27.489
x2-y2-3.754
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.206 0.000 0.000
y 0.000 3.817 0.000
z 0.000 0.000 10.499


<r2> (average value of r2) Å2
<r2> 67.201
(<r2>)1/2 8.198