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: mPW1PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/cc-pVDZ
 hartrees
Energy at 0K-516.102581
Energy at 298.15K-516.109233
Nuclear repulsion energy159.821248
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 mPW1PW91/cc-pVDZ
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 3237 3102 3.46      
2 A 3175 3042 17.47      
3 A 3158 3027 4.58      
4 A 3141 3010 11.46      
5 A 3138 3007 10.63      
6 A 3056 2929 25.68      
7 A 1476 1414 3.82      
8 A 1470 1408 7.45      
9 A 1453 1393 7.26      
10 A 1409 1351 4.08      
11 A 1369 1312 5.39      
12 A 1205 1155 2.75      
13 A 1183 1134 1.44      
14 A 1088 1042 18.35      
15 A 1053 1009 7.28      
16 A 1013 970 3.70      
17 A 936 897 5.57      
18 A 917 879 2.50      
19 A 892 855 2.12      
20 A 673 645 10.38      
21 A 639 612 15.24      
22 A 386 370 0.26      
23 A 304 291 2.07      
24 A 237 227 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 18303.2 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 17540.0 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 mPW1PW91/cc-pVDZ
ABC
0.38925 0.16113 0.13086

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.774 -0.299 -0.178
C2 -0.516 0.167 0.502
C3 0.378 1.148 -0.153
S4 1.085 -0.529 -0.054
H5 -1.626 -0.376 -1.264
H6 -2.083 -1.285 0.195
H7 -2.596 0.409 0.016
H8 -0.579 0.241 1.593
H9 0.116 1.480 -1.162
H10 0.876 1.900 0.462

Atom - Atom Distances (Å)
  C1 C2 C3 S4 H5 H6 H7 H8 H9 H10
C11.50382.59282.87121.09861.09871.10222.20302.77573.5025
C21.50381.48001.83342.15522.15882.14901.09442.21182.2232
C32.59281.48001.82302.75083.47813.06852.18791.09341.0926
S42.87121.83341.82302.97283.26723.79952.46482.49022.4925
H51.09862.15522.75082.97281.77871.78743.10392.54683.7970
H61.09872.15883.47813.26721.77871.77902.55853.78454.3562
H71.10222.14903.06853.79951.78741.77902.56513.14493.8047
H82.20301.09442.18792.46483.10392.55852.56513.09932.4796
H92.77572.21181.09342.49022.54683.78453.14493.09931.8419
H103.50252.22321.09262.49253.79704.35623.80472.47961.8419

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 120.671 C1 C2 S4 118.381
C1 C2 H8 115.057 C2 C1 H5 110.862
C2 C1 H6 111.145 C2 C1 H7 110.152
C2 C3 S4 66.491 C2 C3 H9 117.734
C2 C3 H10 118.811 C2 S4 C3 47.755
C3 C2 S4 65.754 C3 C2 H8 115.572
S4 C2 H8 112.202 S4 C3 H9 114.965
S4 C3 H10 115.194 H5 C1 H6 108.095
H5 C1 H7 108.622 H6 C1 H7 107.866
H9 C3 H10 114.835
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.006      
2 C -0.212      
3 C -0.053      
4 S -0.109      
5 H 0.050      
6 H 0.059      
7 H 0.053      
8 H 0.061      
9 H 0.075      
10 H 0.081      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.619 1.296 0.263 2.090
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.941 1.324 -0.448
y 1.324 -31.308 -0.403
z -0.448 -0.403 -32.018
Traceless
 xyz
x -1.278 1.324 -0.448
y 1.324 1.172 -0.403
z -0.448 -0.403 0.106
Polar
3z2-r20.213
x2-y2-1.633
xy1.324
xz-0.448
yz-0.403


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> 103.601
(<r2>)1/2 10.178