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: BLYP/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 BLYP/STO-3G
 hartrees
Energy at 0K-510.147593
Energy at 298.15K-510.153959
Nuclear repulsion energy156.713345
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/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 3372 3120 3.65      
2 A 3368 3116 2.76      
3 A 3351 3100 2.35      
4 A 3273 3029 4.86      
5 A 3231 2989 0.53      
6 A 3198 2959 3.72      
7 A 1640 1517 2.44      
8 A 1632 1510 2.53      
9 A 1588 1469 2.53      
10 A 1520 1406 1.84      
11 A 1436 1329 13.91      
12 A 1227 1136 2.73      
13 A 1210 1119 3.32      
14 A 1159 1072 10.60      
15 A 1124 1040 3.73      
16 A 1067 988 2.99      
17 A 987 914 2.26      
18 A 960 888 1.88      
19 A 911 843 0.59      
20 A 755 698 3.73      
21 A 724 669 0.58      
22 A 378 350 0.34      
23 A 296 274 0.38      
24 A 188 173 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19296.8 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 17853.4 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/STO-3G
ABC
0.37797 0.15295 0.12491

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.838 -0.278 -0.187
C2 -0.511 0.136 0.518
C3 0.431 1.161 -0.150
S4 1.101 -0.543 -0.061
H5 -1.696 -0.357 -1.283
H6 -2.193 -1.259 0.193
H7 -2.630 0.475 0.013
H8 -0.622 0.235 1.619
H9 0.138 1.548 -1.147
H10 0.891 1.936 0.494

Atom - Atom Distances (Å)
  C1 C2 C3 S4 H5 H6 H7 H8 H9 H10
C11.55872.68702.95321.10861.11001.11112.23652.85663.5798
C21.55871.54401.84222.21212.20992.20451.11132.27702.2818
C32.68701.54401.83342.84823.58633.14082.25811.10811.1082
S42.95321.84221.83343.05823.38063.86772.52942.54542.5494
H51.10862.21212.84823.05821.79991.80133.15092.64793.8874
H61.11002.20993.58633.38061.79991.79712.59523.88694.4515
H71.11112.20453.14083.86771.80131.79712.58193.18683.8423
H82.23651.11132.25812.52943.15092.59522.58193.15472.5401
H92.85662.27701.10812.54542.64793.88693.18683.15471.8465
H103.57982.28181.10822.54943.88744.45153.84232.54011.8465

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 120.002 C1 C2 S4 120.311
C1 C2 H8 112.712 C2 C1 H5 110.938
C2 C1 H6 110.683 C2 C1 H7 110.193
C2 C3 S4 65.459 C2 C3 H9 117.369
C2 C3 H10 117.772 C2 S4 C3 49.677
C3 C2 S4 64.863 C3 C2 H8 115.551
S4 C2 H8 115.598 S4 C3 H9 117.719
S4 C3 H10 118.042 H5 C1 H6 108.442
H5 C1 H7 108.483 H6 C1 H7 108.014
H9 C3 H10 112.846
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.213      
2 C -0.132      
3 C -0.220      
4 S 0.113      
5 H 0.076      
6 H 0.075      
7 H 0.076      
8 H 0.074      
9 H 0.076      
10 H 0.076      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.532 0.359 0.079 0.647
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.643 0.656 -0.169
y 0.656 -29.242 -0.223
z -0.169 -0.223 -29.207
Traceless
 xyz
x -0.419 0.656 -0.169
y 0.656 0.183 -0.223
z -0.169 -0.223 0.236
Polar
3z2-r20.472
x2-y2-0.401
xy0.656
xz-0.169
yz-0.223


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.122 -0.189 -0.379
y -0.189 3.683 -0.132
z -0.379 -0.132 2.623


<r2> (average value of r2) Å2
<r2> 105.881
(<r2>)1/2 10.290