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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: CCSD=FULL/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at CCSD=FULL/TZVP
 hartrees
Energy at 0K-476.121887
Energy at 298.15K-476.125703
HF Energy-475.597617
Nuclear repulsion energy92.685049
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=FULL/TZVP
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' 3178 3011 12.37      
2 A' 3136 2971 17.31      
3 A' 3056 2895 9.81      
4 A' 1512 1433 5.00      
5 A' 1436 1360 20.45      
6 A' 1417 1343 32.49      
7 A' 1187 1124 24.36      
8 A' 1108 1050 2.69      
9 A' 844 800 0.69      
10 A' 402 381 1.29      
11 A" 3117 2954 12.01      
12 A" 1494 1416 8.26      
13 A" 1069 1013 6.96      
14 A" 776 736 11.99      
15 A" 161 153 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 11945.9 cm-1
Scaled (by 0.9475) Zero Point Vibrational Energy (zpe) 11318.8 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 CCSD=FULL/TZVP
ABC
1.62912 0.19021 0.17587

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.626 0.000
C2 -1.495 0.710 0.000
S3 0.879 -0.741 0.000
H4 0.514 1.586 0.000
H5 -1.946 -0.280 0.000
H6 -1.833 1.264 0.880
H7 -1.833 1.264 -0.880

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49701.62541.08912.14702.13082.1308
C21.49702.78202.19161.08771.09341.0934
S31.62542.78202.35582.86303.48573.4857
H41.08912.19162.35583.08802.52692.5269
H52.14701.08772.86303.08801.78061.7806
H62.13081.09343.48572.52691.78061.7590
H72.13081.09343.48572.52691.78061.7590

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.343 C1 C2 H6 109.704
C1 C2 H7 109.704 C2 C1 S3 125.941
C2 C1 H4 114.963 S3 C1 H4 119.096
H5 C2 H6 109.446 H5 C2 H7 109.446
H6 C2 H7 107.101
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability