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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: CCSD=FULL/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 CCSD=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-476.060531
Energy at 298.15K-476.064339
HF Energy-475.582260
Nuclear repulsion energy92.101664
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/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' 3161 3161 9.45      
2 A' 3120 3120 16.44      
3 A' 3035 3035 8.36      
4 A' 1478 1478 5.68      
5 A' 1401 1401 43.12      
6 A' 1382 1382 20.09      
7 A' 1182 1182 22.03      
8 A' 1084 1084 3.75      
9 A' 840 840 0.79      
10 A' 395 395 1.70      
11 A" 3100 3100 9.40      
12 A" 1467 1467 6.89      
13 A" 1044 1044 6.09      
14 A" 761 761 12.66      
15 A" 170 170 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 11809.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11809.4 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/aug-cc-pVDZ
ABC
1.60212 0.18819 0.17393

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.630 0.000
C2 -1.503 0.712 0.000
S3 0.884 -0.745 0.000
H4 0.523 1.599 0.000
H5 -1.957 -0.289 0.000
H6 -1.844 1.275 0.888
H7 -1.844 1.275 -0.888

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.50561.63401.10132.16232.14552.1455
C21.50562.79652.21191.09911.10491.1049
S31.63402.79652.37122.87763.50803.5080
H41.10132.21192.37123.11712.54812.5481
H52.16231.09912.87763.11711.80211.8021
H62.14551.10493.50802.54811.80211.7752
H72.14551.10493.50802.54811.80211.7752

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.274 C1 C2 H6 109.589
C1 C2 H7 109.589 C2 C1 S3 125.875
C2 C1 H4 115.220 S3 C1 H4 118.906
H5 C2 H6 109.696 H5 C2 H7 109.696
H6 C2 H7 106.895
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability