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 (Thiirane, methyl-)

using model chemistry: LSDA/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at LSDA/STO-3G
 hartrees
Energy at 0K-508.544337
Energy at 298.15K-508.550813
Nuclear repulsion energy159.461018
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 LSDA/STO-3G
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 3467 3105 0.08      
2 A 3466 3104 0.07      
3 A 3448 3088 0.11      
4 A 3375 3022 1.75      
5 A 3327 2979 0.81      
6 A 3287 2944 0.47      
7 A 1640 1468 5.38      
8 A 1631 1461 5.49      
9 A 1590 1424 2.78      
10 A 1522 1363 4.57      
11 A 1461 1308 9.21      
12 A 1269 1136 1.17      
13 A 1233 1104 5.39      
14 A 1187 1063 13.05      
15 A 1145 1025 4.73      
16 A 1083 969 6.14      
17 A 1008 902 4.70      
18 A 990 886 1.44      
19 A 943 844 2.04      
20 A 806 722 4.05      
21 A 768 688 0.45      
22 A 383 343 0.48      
23 A 305 273 0.73      
24 A 199 178 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19764.6 cm-1
Scaled (by 0.8955) Zero Point Vibrational Energy (zpe) 17699.2 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 LSDA/STO-3G
ABC
0.38972 0.15931 0.13017

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.795 -0.275 -0.185
C2 -0.502 0.130 0.516
C3 0.419 1.140 -0.149
S4 1.079 -0.532 -0.061
H5 -1.640 -0.343 -1.272
H6 -2.150 -1.252 0.180
H7 -2.584 0.470 0.011
H8 -0.613 0.229 1.609
H9 0.113 1.519 -1.135
H10 0.877 1.913 0.486

Atom - Atom Distances (Å)
  C1 C2 C3 S4 H5 H6 H7 H8 H9 H10
C11.52532.62792.88831.10051.10161.10272.20682.78633.5185
C21.52531.51981.80892.17142.17672.16921.10312.24362.2543
C32.62791.51981.80012.77503.52553.08132.23241.10031.1001
S42.88831.80891.80012.98253.31693.79872.49592.50892.5134
H51.10052.17142.77502.98251.78751.78863.11182.56113.8103
H61.10162.17673.52553.31691.78751.78402.56873.81184.3903
H71.10272.16923.08133.79871.78861.78402.54953.11323.7807
H82.20681.10312.23242.49593.11182.56872.54953.11822.5133
H92.78632.24361.10032.50892.56113.81183.11323.11821.8355
H103.51852.25431.10012.51343.81034.39033.78072.51331.8355

picture of Thiirane, methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 119.301 C1 C2 S4 119.814
C1 C2 H8 113.211 C2 C1 H5 110.531
C2 C1 H6 110.882 C2 C1 H7 110.224
C2 C3 S4 65.394 C2 C3 H9 116.905
C2 C3 H10 117.842 C2 S4 C3 49.810
C3 C2 S4 64.797 C3 C2 H8 115.755
S4 C2 H8 115.858 S4 C3 H9 117.735
S4 C3 H10 118.115 H5 C1 H6 108.524
H5 C1 H7 108.551 H6 C1 H7 108.051
H9 C3 H10 113.061
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.278      
2 C -0.157      
3 C -0.263      
4 S 0.103      
5 H 0.099      
6 H 0.099      
7 H 0.099      
8 H 0.099      
9 H 0.100      
10 H 0.100      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.696 0.491 0.103 0.858
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.401 0.823 -0.132
y 0.823 -28.887 -0.235
z -0.132 -0.235 -28.725
Traceless
 xyz
x -0.595 0.823 -0.132
y 0.823 0.176 -0.235
z -0.132 -0.235 0.419
Polar
3z2-r20.838
x2-y2-0.514
xy0.823
xz-0.132
yz-0.235


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.829 -0.201 -0.364
y -0.201 3.461 -0.123
z -0.364 -0.123 2.480


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000