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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: QCISD(T)=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at QCISD(T)=FULL/6-31+G**
 hartrees
Energy at 0K-474.817112
Energy at 298.15K 
HF Energy-474.361481
Nuclear repulsion energy78.243751
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 QCISD(T)=FULL/6-31+G**
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 3215 3215        
2 A1 1809 1809        
3 A1 1435 1435        
4 A1 844 844        
5 B1 713 713        
6 B1 382 382        
7 B2 3311 3311        
8 B2 975 975        
9 B2 347 347        

Unscaled Zero Point Vibrational Energy (zpe) 6514.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6514.8 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 QCISD(T)=FULL/6-31+G**
ABC
9.62759 0.18563 0.18212

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.771
C2 0.000 0.000 -0.448
S3 0.000 0.000 1.122
H4 0.000 0.932 -2.320
H5 0.000 -0.932 -2.320

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.32282.89351.08151.0815
C21.32281.57072.09062.0906
S32.89351.57073.56593.5659
H41.08152.09063.56591.8641
H51.08152.09063.56591.8641

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 120.477
C2 C1 H5 120.477 H4 C1 H5 119.047
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability