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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: MP2/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP2/aug-cc-pVDZ
 hartrees
Energy at 0K-476.010967
Energy at 298.15K-476.014775
HF Energy-475.582253
Nuclear repulsion energy92.151208
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 MP2/aug-cc-pVDZ
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' 3185 3055 5.61      
2 A' 3118 2990 20.29      
3 A' 3048 2923 5.32      
4 A' 1469 1409 5.87      
5 A' 1382 1326 51.76      
6 A' 1367 1311 9.08      
7 A' 1188 1139 16.63      
8 A' 1081 1037 1.91      
9 A' 840 805 3.29      
10 A' 396 380 1.31      
11 A" 3125 2997 5.95      
12 A" 1459 1399 7.96      
13 A" 1032 990 6.66      
14 A" 754 723 14.42      
15 A" 173 166 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 11808.5 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 11324.3 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 MP2/aug-cc-pVDZ
ABC
1.59970 0.18864 0.17426

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.632 0.000
C2 -1.500 0.713 0.000
S3 0.881 -0.746 0.000
H4 0.529 1.599 0.000
H5 -1.953 -0.288 0.000
H6 -1.840 1.278 0.886
H7 -1.840 1.278 -0.886

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.50191.63551.10252.15832.14182.1418
C21.50192.79242.21391.09841.10431.1043
S31.63552.79242.37122.87093.50503.5050
H41.10252.21392.37123.11762.54972.5497
H52.15831.09842.87093.11761.80211.8021
H62.14181.10433.50502.54971.80211.7719
H72.14181.10433.50502.54971.80211.7719

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.262 C1 C2 H6 109.590
C1 C2 H7 109.590 C2 C1 S3 125.707
C2 C1 H4 115.587 S3 C1 H4 118.706
H5 C2 H6 109.798 H5 C2 H7 109.798
H6 C2 H7 106.695
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability