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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: MP2=FULL/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2=FULL/aug-cc-pVQZ
 hartrees
Energy at 0K-476.294749
Energy at 298.15K-476.299233
HF Energy-475.620818
Nuclear repulsion energy101.817721
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=FULL/aug-cc-pVQZ
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 3183 3044 9.90      
2 A1 1510 1444 2.07      
3 A1 1163 1112 1.25      
4 A1 1049 1004 1.58      
5 A1 666 637 19.55      
6 A2 3276 3134 0.00      
7 A2 1201 1149 0.00      
8 A2 915 875 0.00      
9 B1 3289 3145 0.28      
10 B1 969 927 3.23      
11 B1 840 804 0.59      
12 B2 3182 3043 4.83      
13 B2 1486 1421 1.18      
14 B2 1075 1028 20.69      
15 B2 709 678 1.22      

Unscaled Zero Point Vibrational Energy (zpe) 12256.3 cm-1
Scaled (by 0.9564) Zero Point Vibrational Energy (zpe) 11721.9 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=FULL/aug-cc-pVQZ
ABC
0.74606 0.36456 0.27136

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.859
C2 0.000 0.737 -0.792
C3 0.000 -0.737 -0.792
H4 -0.912 1.242 -1.061
H5 0.912 1.242 -1.061
H6 0.912 -1.242 -1.061
H7 -0.912 -1.242 -1.061

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.80761.80762.46222.46222.46222.4622
C21.80761.47321.07731.07732.19542.1954
C31.80761.47322.19542.19541.07731.0773
H42.46221.07732.19541.82493.08212.4838
H52.46221.07732.19541.82492.48383.0821
H62.46222.19541.07733.08212.48381.8249
H72.46222.19541.07732.48383.08211.8249

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 65.953 S1 C2 H4 114.810
S1 C2 H5 114.810 S1 C3 C2 65.953
S1 C3 H6 114.810 S1 C3 H7 114.810
C2 S1 C3 48.095 C2 C3 H6 117.974
C2 C3 H7 117.974 C3 C2 H4 117.974
C3 C2 H5 117.974 H4 C2 H5 115.770
H6 C3 H7 115.770
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability