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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: B2PLYP=FULL/cc-pV(T+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B2PLYP=FULL/cc-pV(T+d)Z
 hartrees
Energy at 0K-476.670828
Energy at 298.15K-476.674656
HF Energy-476.463115
Nuclear repulsion energy93.121131
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 B2PLYP=FULL/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 A' 3160 3160 7.85      
2 A' 3097 3097 22.00      
3 A' 3040 3040 4.33      
4 A' 1494 1494 5.51      
5 A' 1402 1402 13.77      
6 A' 1389 1389 57.83      
7 A' 1173 1173 36.33      
8 A' 1092 1092 5.87      
9 A' 838 838 1.08      
10 A' 396 396 1.93      
11 A" 3089 3089 6.96      
12 A" 1488 1488 8.57      
13 A" 1057 1057 4.06      
14 A" 777 777 12.74      
15 A" 177 177 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 11834.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11834.7 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 B2PLYP=FULL/cc-pV(T+d)Z
ABC
1.64957 0.19195 0.17752

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pV(T+d)Z

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.620 0.000
C2 -1.487 0.708 0.000
S3 0.875 -0.738 0.000
H4 0.514 1.579 0.000
H5 -1.943 -0.276 0.000
H6 -1.823 1.269 0.874
H7 -1.823 1.269 -0.874

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.48921.61551.08782.14012.12292.1229
C21.48922.76862.18221.08471.09161.0916
S31.61552.76862.34482.85543.47373.4737
H41.08782.18222.34483.07902.51412.5141
H52.14011.08472.85543.07901.77921.7792
H62.12291.09163.47372.51411.77921.7481
H72.12291.09163.47372.51411.77921.7481

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.532 C1 C2 H6 109.725
C1 C2 H7 109.725 C2 C1 S3 126.141
C2 C1 H4 114.841 S3 C1 H4 119.018
H5 C2 H6 109.668 H5 C2 H7 109.668
H6 C2 H7 106.389
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability