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All results from a given calculation for C3H6S (Thietane)

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-512.311779
Energy at 298.15K-512.318790
HF Energy-511.980680
Nuclear repulsion energy158.986019
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 MP2/3-21G
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' 3235 3088 15.98      
2 A' 3180 3036 9.44      
3 A' 3156 3012 4.06      
4 A' 3123 2980 21.21      
5 A' 1583 1511 0.30      
6 A' 1566 1495 5.53      
7 A' 1288 1230 2.71      
8 A' 1243 1187 0.42      
9 A' 980 935 1.56      
10 A' 920 879 0.41      
11 A' 865 825 3.61      
12 A' 671 641 3.91      
13 A' 514 490 4.98      
14 A' 168 160 1.68      
15 A" 3232 3085 2.26      
16 A" 3156 3013 30.50      
17 A" 1557 1486 0.46      
18 A" 1373 1310 4.47      
19 A" 1304 1244 15.78      
20 A" 1219 1163 5.58      
21 A" 1067 1019 0.23      
22 A" 965 921 0.46      
23 A" 810 773 0.09      
24 A" 603 576 2.25      

Unscaled Zero Point Vibrational Energy (zpe) 18888.5 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 18029.0 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 MP2/3-21G
ABC
0.32611 0.20078 0.13678

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.432 1.078 0.000
C2 -0.264 -0.330 1.169
C3 -0.264 -0.330 -1.169
C4 -0.264 -1.365 0.000
H5 -1.264 -0.045 1.494
H6 0.397 -0.518 2.013
H7 -1.264 -0.045 -1.494
H8 0.397 -0.518 -2.013
H9 -1.106 -2.061 0.000
H10 0.678 -1.920 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 C4 H5 H6 H7 H8 H9 H10
S11.95811.95812.53992.52372.56942.52372.56943.49553.0084
C21.95812.33891.56151.08951.08812.85913.25592.25242.1869
C31.95812.33891.56152.85913.25591.08951.08812.25242.1869
C42.53991.56151.56152.23012.28172.23012.28171.09281.0930
H52.52371.08952.85912.23011.80362.98753.90922.51403.0850
H62.56941.08813.25592.28171.80363.90924.02632.94832.4692
H72.52372.85911.08952.23012.98753.90921.80362.51403.0850
H82.56943.25591.08812.28173.90924.02631.80362.94832.4692
H93.49552.25242.25241.09282.51402.94832.51402.94831.7891
H103.00842.18692.18691.09303.08502.46923.08502.46921.7891

picture of Thietane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C4 91.674 S1 C2 H5 108.418
S1 C2 H6 111.820 S1 C3 C4 91.674
S1 C3 H7 108.418 S1 C3 H8 111.820
C2 S1 C3 73.345 C2 C4 C3 96.996
C2 C4 H9 114.976 C2 C4 H10 109.682
C3 C4 H9 114.976 C3 C4 H10 109.682
C4 C2 H5 113.341 C4 C2 H6 117.782
C4 C3 H7 113.341 C4 C3 H8 117.782
H5 C2 H6 111.842 H7 C3 H8 111.842
H9 C4 H10 109.868
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.178     -0.283
2 C -0.553     0.080
3 C -0.553     0.080
4 C -0.373     -0.388
5 H 0.222     0.055
6 H 0.219     0.067
7 H 0.222     0.055
8 H 0.219     0.067
9 H 0.201     0.133
10 H 0.218     0.133


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.962 -2.067 0.000 2.280
CHELPG        
AIM        
ESP -0.988 -2.079 0.000 2.301


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.276 -0.483 0.000
y -0.483 -35.807 0.000
z 0.000 0.000 -30.954
Traceless
 xyz
x -0.895 -0.483 0.000
y -0.483 -3.192 0.000
z 0.000 0.000 4.088
Polar
3z2-r28.176
x2-y21.531
xy-0.483
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.274 1.038 0.000
y 1.038 6.978 0.000
z 0.000 0.000 6.745


<r2> (average value of r2) Å2
<r2> 98.887
(<r2>)1/2 9.944