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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: MP4=FULL/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP4=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-476.075930
Energy at 298.15K-476.080330
HF Energy-475.576104
Nuclear repulsion energy99.684292
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 MP4=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 A1 3137 3059        
2 A1 1483 1446        
3 A1 1137 1108        
4 A1 1031 1005        
5 A1 622 607        
6 A2 3227 3147        
7 A2 1183 1154        
8 A2 881 859        
9 B1 3242 3162        
10 B1 941 918        
11 B1 822 802        
12 B2 3132 3054        
13 B2 1451 1415        
14 B2 1042 1017        
15 B2 643 627        

Unscaled Zero Point Vibrational Energy (zpe) 11986.9 cm-1
Scaled (by 0.9752) Zero Point Vibrational Energy (zpe) 11689.6 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 MP4=FULL/aug-cc-pVDZ
ABC
0.72339 0.34667 0.25935

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.881
C2 0.000 0.747 -0.814
C3 0.000 -0.747 -0.814
H4 -0.927 1.263 -1.083
H5 0.927 1.263 -1.083
H6 0.927 -1.263 -1.083
H7 -0.927 -1.263 -1.083

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.85281.85282.51282.51282.51282.5128
C21.85281.49481.09461.09462.23032.2303
C31.85281.49482.23032.23031.09461.0946
H42.51281.09462.23031.85453.13372.5261
H52.51281.09462.23031.85452.52613.1337
H62.51282.23031.09463.13372.52611.8545
H72.51282.23031.09462.52613.13371.8545

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 66.209 S1 C2 H4 114.522
S1 C2 H5 114.522 S1 C3 C2 66.209
S1 C3 H6 114.522 S1 C3 H7 114.522
C2 S1 C3 47.581 C2 C3 H6 118.105
C2 C3 H7 118.105 C3 C2 H4 118.105
C3 C2 H5 118.105 H4 C2 H5 115.799
H6 C3 H7 115.799
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability