return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C3H6S (Thietane)

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-513.398147
Energy at 298.15K-513.404935
Nuclear repulsion energy157.742651
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 BLYP/3-21G
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' 3114 3097 25.99      
2 A' 3056 3039 10.65      
3 A' 3041 3025 3.73      
4 A' 3006 2989 30.84      
5 A' 1512 1504 0.22      
6 A' 1495 1487 4.71      
7 A' 1212 1205 3.25      
8 A' 1184 1177 0.08      
9 A' 926 921 1.90      
10 A' 888 884 0.47      
11 A' 800 796 4.50      
12 A' 660 656 4.84      
13 A' 499 496 7.77      
14 A' 112 111 1.65      
15 A" 3110 3093 2.37      
16 A" 3040 3024 45.18      
17 A" 1485 1477 0.30      
18 A" 1306 1299 4.50      
19 A" 1249 1242 11.68      
20 A" 1155 1148 10.59      
21 A" 1021 1015 0.09      
22 A" 941 935 0.28      
23 A" 774 770 0.01      
24 A" 574 571 4.16      

Unscaled Zero Point Vibrational Energy (zpe) 18078.7 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 17979.3 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 BLYP/3-21G
ABC
0.32119 0.19825 0.13372

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.339 1.122 0.000
C2 -0.207 -0.358 1.186
C3 -0.207 -0.358 -1.186
C4 -0.207 -1.384 0.000
H5 -1.203 -0.141 1.590
H6 0.529 -0.518 1.981
H7 -1.203 -0.141 -1.590
H8 0.529 -0.518 -1.981
H9 -1.067 -2.070 0.000
H10 0.726 -1.966 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 C4 H5 H6 H7 H8 H9 H10
S11.97301.97302.56432.54942.57882.54942.57883.48813.1120
C21.97302.37161.56821.09651.09532.95733.25542.25392.2054
C31.97302.37161.56822.95733.25541.09651.09532.25392.2054
C42.56431.56821.56822.25082.28402.25082.28401.10081.0998
H52.54941.09652.95732.25081.81473.18073.98712.50423.0954
H62.57881.09533.25542.28401.81473.98713.96272.98052.4621
H72.54942.95731.09652.25083.18073.98711.81472.50423.0954
H82.57883.25541.09532.28403.98713.96271.81472.98052.4621
H93.48812.25392.25391.10082.50422.98052.50422.98051.7964
H103.11202.20542.20541.09983.09542.46213.09542.46211.7964

picture of Thietane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C4 92.074 S1 C2 H5 108.941
S1 C2 H6 111.129 S1 C3 C4 92.074
S1 C3 H7 108.941 S1 C3 H8 111.129
C2 S1 C3 73.887 C2 C4 C3 98.257
C2 C4 H9 114.090 C2 C4 H10 110.270
C3 C4 H9 114.090 C3 C4 H10 110.270
C4 C2 H5 114.104 C4 C2 H6 116.970
C4 C3 H7 114.104 C4 C3 H8 116.970
H5 C2 H6 111.773 H7 C3 H8 111.773
H9 C4 H10 109.442
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.163      
2 C -0.540      
3 C -0.540      
4 C -0.333      
5 H 0.216      
6 H 0.213      
7 H 0.216      
8 H 0.213      
9 H 0.190      
10 H 0.204      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.753 -2.199 0.000 2.325
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.326 -0.365 0.000
y -0.365 -34.869 0.000
z 0.000 0.000 -29.997
Traceless
 xyz
x -0.893 -0.365 0.000
y -0.365 -3.208 0.000
z 0.000 0.000 4.100
Polar
3z2-r28.201
x2-y21.543
xy-0.365
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 99.838
(<r2>)1/2 9.992