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 C5H6S (Thiophene, 3-methyl-)

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-592.325268
Energy at 298.15K-592.331524
Nuclear repulsion energy269.864502
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/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3281 3144 0.60      
2 A' 3270 3134 0.72      
3 A' 3230 3096 4.06      
4 A' 3155 3024 14.27      
5 A' 3054 2927 32.81      
6 A' 1618 1550 4.18      
7 A' 1494 1432 13.37      
8 A' 1468 1407 1.69      
9 A' 1429 1369 6.12      
10 A' 1394 1336 0.06      
11 A' 1253 1201 3.12      
12 A' 1182 1132 2.31      
13 A' 1097 1051 3.41      
14 A' 1007 965 8.44      
15 A' 953 913 2.10      
16 A' 882 845 14.99      
17 A' 853 817 7.45      
18 A' 671 643 0.28      
19 A' 550 527 0.26      
20 A' 324 310 0.91      
21 A" 3121 2991 14.55      
22 A" 1463 1402 6.86      
23 A" 1049 1005 1.76      
24 A" 891 854 0.19      
25 A" 774 741 74.22      
26 A" 691 662 4.86      
27 A" 610 584 13.77      
28 A" 464 445 0.00      
29 A" 236 227 3.34      
30 A" 121 116 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 20791.7 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 19924.7 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/aug-cc-pVDZ
ABC
0.23223 0.08167 0.06111

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.218 0.791 0.000
C2 -1.252 0.290 0.000
C3 0.000 0.983 0.000
C4 1.055 0.108 0.000
H5 -1.898 -1.825 0.000
C6 -1.119 -1.070 0.000
S7 0.541 -1.541 0.000
H8 1.180 2.784 0.000
H9 -0.353 2.915 0.885
H10 -0.353 2.915 -0.885
C11 0.129 2.476 0.000
H12 2.115 0.342 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 C4 H5 C6 S7 H8 H9 H10 C11 H12
H11.08852.22653.34332.63612.16183.61273.93942.96172.96172.88924.3561
C21.08851.43122.31382.21171.36652.56253.48352.91212.91212.58583.3671
C32.22651.43121.37043.38982.33832.58162.15292.15332.15331.49852.2097
C43.34332.31381.37043.52932.47201.72732.67883.26173.26172.54261.0856
H52.63612.21173.38983.52931.08532.45535.54265.06335.06334.75514.5607
C62.16181.36652.33832.47201.08531.72504.48754.15294.15293.75933.5283
S73.61272.56252.58161.72732.45531.72504.37194.62954.62954.03832.4542
H83.93943.48352.15292.67885.54264.48754.37191.77441.77441.09542.6147
H92.96172.91212.15333.26175.06334.15294.62951.77441.76941.09843.6725
H102.96172.91212.15333.26175.06334.15294.62951.77441.76941.09843.6725
C112.88922.58581.49852.54264.75513.75934.03831.09541.09841.09842.9152
H124.35613.36712.20971.08564.56073.52832.45422.61473.67253.67252.9152

picture of Thiophene, 3-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C3 123.603 H1 C2 C6 123.024
C2 C3 C4 111.334 C2 C3 C11 123.904
C2 C6 H5 128.498 C2 C6 S7 111.445
C3 C2 C6 113.374 C3 C4 S7 112.387
C3 C4 H12 127.862 C3 C11 H8 111.246
C3 C11 H9 111.096 C3 C11 H10 111.096
C4 C3 C11 124.762 C4 S7 C6 91.461
H5 C6 S7 120.057 S7 C4 H12 119.751
H8 C11 H9 107.964 H8 C11 H10 107.964
H9 C11 H10 107.307
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H -0.583      
2 C 0.800      
3 C 0.424      
4 C 0.226      
5 H -0.473      
6 C -0.168      
7 S 0.293      
8 H -0.221      
9 H 0.006      
10 H 0.006      
11 C 0.334      
12 H -0.643      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.326 0.952 0.000 1.007
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.869 1.566 0.000
y 1.566 -40.731 0.000
z 0.000 0.000 -46.663
Traceless
 xyz
x 4.827 1.566 0.000
y 1.566 2.035 0.000
z 0.000 0.000 -6.863
Polar
3z2-r2-13.726
x2-y21.861
xy1.566
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.980 -0.392 0.000
y -0.392 14.408 0.000
z 0.000 0.000 7.895


<r2> (average value of r2) Å2
<r2> 187.698
(<r2>)1/2 13.700