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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: MP3=FULL/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-476.241995
Energy at 298.15K-476.246492
HF Energy-475.612258
Nuclear repulsion energy101.614643
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 MP3=FULL/aug-cc-pVTZ
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 3208 3208 11.27      
2 A1 1529 1529 2.09      
3 A1 1164 1164 1.84      
4 A1 1066 1066 0.79      
5 A1 668 668 22.37      
6 A2 3264 3264 0.00      
7 A2 1221 1221 0.00      
8 A2 901 901 0.00      
9 B1 3279 3279 1.34      
10 B1 975 975 2.53      
11 B1 845 845 0.75      
12 B2 3200 3200 7.00      
13 B2 1499 1499 1.04      
14 B2 1091 1091 21.66      
15 B2 710 710 1.26      

Unscaled Zero Point Vibrational Energy (zpe) 12309.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12309.5 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 MP3=FULL/aug-cc-pVTZ
ABC
0.74388 0.36272 0.26991

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.862
C2 0.000 0.739 -0.793
C3 0.000 -0.739 -0.793
H4 -0.910 1.241 -1.068
H5 0.910 1.241 -1.068
H6 0.910 -1.241 -1.068
H7 -0.910 -1.241 -1.068

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.81231.81232.46832.46832.46832.4683
C21.81231.47821.07531.07532.19682.1968
C31.81231.47822.19682.19681.07531.0753
H42.46831.07532.19681.82053.07862.4827
H52.46831.07532.19681.82052.48273.0786
H62.46832.19681.07533.07862.48271.8205
H72.46832.19681.07532.48273.07861.8205

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 65.933 S1 C2 H4 115.072
S1 C2 H5 115.072 S1 C3 C2 65.933
S1 C3 H6 115.072 S1 C3 H7 115.072
C2 S1 C3 48.135 C2 C3 H6 117.845
C2 C3 H7 117.845 C3 C2 H4 117.845
C3 C2 H5 117.845 H4 C2 H5 115.666
H6 C3 H7 115.666
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability