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/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-514.401599
Energy at 298.15K-514.408156
Nuclear repulsion energy161.021649
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/6-31G(2df,p)
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 3147 3096 0.92      
2 A 3084 3035 9.57      
3 A 3069 3020 3.52      
4 A 3053 3005 8.39      
5 A 3052 3003 4.08      
6 A 2971 2923 15.72      
7 A 1421 1398 6.07      
8 A 1414 1392 7.98      
9 A 1396 1374 8.61      
10 A 1353 1332 8.65      
11 A 1314 1293 5.12      
12 A 1176 1157 2.36      
13 A 1145 1127 1.14      
14 A 1045 1029 19.08      
15 A 1009 993 7.09      
16 A 973 957 4.63      
17 A 910 895 6.26      
18 A 886 872 1.95      
19 A 863 849 2.77      
20 A 674 664 7.89      
21 A 637 627 10.96      
22 A 372 366 0.24      
23 A 295 291 2.08      
24 A 238 234 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 17747.5 cm-1
Scaled (by 0.984) Zero Point Vibrational Energy (zpe) 17463.5 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 LSDA/6-31G(2df,p)
ABC
0.39344 0.16447 0.13371

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.752 -0.294 -0.177
C2 -0.510 0.161 0.508
C3 0.376 1.138 -0.153
S4 1.072 -0.525 -0.056
H5 -1.586 -0.359 -1.265
H6 -2.071 -1.288 0.176
H7 -2.581 0.412 0.011
H8 -0.571 0.236 1.601
H9 0.093 1.465 -1.160
H10 0.877 1.898 0.455

Atom - Atom Distances (Å)
  C1 C2 C3 S4 H5 H6 H7 H8 H9 H10
C11.48952.56482.83611.10271.10161.10512.19962.73263.4808
C21.48951.47501.81412.13812.15492.14451.09752.20202.2234
C32.56481.47501.80512.70633.46063.04872.18751.09651.0948
S42.83611.81411.80512.92503.24233.77192.45432.47752.4833
H51.10272.13812.70632.92501.78201.79233.09842.48123.7573
H61.10162.15493.46063.24231.78201.78272.56963.74794.3490
H71.10512.14453.04873.77191.79231.78272.56923.10343.7898
H82.19961.09752.18752.45433.09842.56962.56923.09482.4839
H92.73262.20201.09652.47752.48123.74793.10343.09481.8473
H103.48082.22341.09482.48333.75734.34903.78982.48391.8473

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 119.802 C1 C2 S4 117.963
C1 C2 H8 115.650 C2 C1 H5 110.244
C2 C1 H6 111.668 C2 C1 H7 110.612
C2 C3 S4 66.270 C2 C3 H9 117.045
C2 C3 H10 119.066 C2 S4 C3 48.102
C3 C2 S4 65.628 C3 C2 H8 115.720
S4 C2 H8 112.569 S4 C3 H9 115.076
S4 C3 H10 115.628 H5 C1 H6 107.884
H5 C1 H7 108.544 H6 C1 H7 107.776
H9 C3 H10 114.920
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.503      
2 C 0.030      
3 C -0.287      
4 S -0.220      
5 H 0.166      
6 H 0.167      
7 H 0.157      
8 H 0.151      
9 H 0.167      
10 H 0.172      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.647 1.322 0.287 2.132
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.921 1.344 -0.432
y 1.344 -31.198 -0.404
z -0.432 -0.404 -31.940
Traceless
 xyz
x -1.352 1.344 -0.432
y 1.344 1.232 -0.404
z -0.432 -0.404 0.120
Polar
3z2-r20.240
x2-y2-1.723
xy1.344
xz-0.432
yz-0.404


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.413 -0.476 -0.176
y -0.476 7.255 -0.011
z -0.176 -0.011 6.116


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