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All results from a given calculation for C5H6S (Thiophene, 3-methyl-)

using model chemistry: B1B95/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/CEP-31G*
 hartrees
Energy at 0K-41.913718
Energy at 298.15K-41.919812
Nuclear repulsion energy107.381818
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 B1B95/CEP-31G*
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' 3266 3126 1.16      
2 A' 3259 3119 0.77      
3 A' 3218 3080 4.06      
4 A' 3178 3042 20.33      
5 A' 3076 2944 36.28      
6 A' 1617 1547 3.24      
7 A' 1505 1441 13.49      
8 A' 1476 1413 2.68      
9 A' 1437 1375 6.22      
10 A' 1400 1340 0.24      
11 A' 1236 1183 2.25      
12 A' 1178 1128 1.64      
13 A' 1084 1037 4.93      
14 A' 994 952 9.70      
15 A' 937 897 3.89      
16 A' 876 839 10.74      
17 A' 851 815 12.43      
18 A' 650 622 0.32      
19 A' 533 510 0.20      
20 A' 298 285 0.90      
21 A" 3154 3019 25.15      
22 A" 1479 1416 8.59      
23 A" 1040 995 7.30      
24 A" 914 875 0.80      
25 A" 796 762 100.23      
26 A" 710 679 10.02      
27 A" 577 553 14.06      
28 A" 452 433 0.16      
29 A" 229 219 4.47      
30 A" 114 109 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 20766.1 cm-1
Scaled (by 0.9572) Zero Point Vibrational Energy (zpe) 19877.3 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 B1B95/CEP-31G*
ABC
0.22758 0.07994 0.05983

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.240 0.799 0.000
C2 -1.270 0.297 0.000
C3 0.000 0.996 0.000
C4 1.067 0.099 0.000
H5 -1.911 -1.843 0.000
C6 -1.129 -1.085 0.000
S7 0.540 -1.555 0.000
H8 1.199 2.809 0.000
H9 -0.339 2.949 0.888
H10 -0.339 2.949 -0.888
C11 0.141 2.506 0.000
H12 2.131 0.331 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 C4 H5 C6 S7 H8 H9 H10 C11 H12
H11.09192.24823.37992.66262.18733.64273.98283.00423.00422.92984.3961
C21.09191.44972.34552.23381.38902.58963.52242.94832.94832.62203.4017
C32.24821.44971.39363.42212.36732.60702.17382.17272.17271.51742.2327
C43.37992.34551.39363.55562.49501.73582.71303.29973.29972.57911.0893
H52.66262.23383.42213.55561.08932.46855.59595.12135.12134.80954.5900
C62.18731.38902.36732.49501.08931.73414.53684.20594.20593.80953.5545
S73.64272.58962.60701.73582.46851.73414.41314.67424.67424.08082.4671
H83.98283.52242.17382.71305.59594.53684.41311.78141.78141.10002.6478
H93.00422.94832.17273.29975.12134.20594.67421.78141.77691.10273.7077
H103.00422.94832.17273.29975.12134.20594.67421.78141.77691.10273.7077
C112.92982.62201.51742.57914.80953.80954.08081.10001.10271.10272.9485
H124.39613.40172.23271.08934.59003.55452.46712.64783.70773.70772.9485

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 123.782 H1 C2 C6 123.232
C2 C3 C4 111.144 C2 C3 C11 124.166
C2 C6 H5 128.262 C2 C6 S7 111.551
C3 C2 C6 112.986 C3 C4 S7 112.371
C3 C4 H12 127.691 C3 C11 H8 111.307
C3 C11 H9 111.055 C3 C11 H10 111.055
C4 C3 C11 124.690 C4 S7 C6 91.948
H5 C6 S7 120.187 S7 C4 H12 119.937
H8 C11 H9 107.947 H8 C11 H10 107.947
H9 C11 H10 107.365
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.331      
2 C -0.055      
3 C -0.155      
4 C -0.287      
5 H 0.317      
6 C -0.441      
7 S -0.064      
8 H 0.167      
9 H 0.144      
10 H 0.144      
11 C -0.437      
12 H 0.336      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.336 0.888 0.000 0.949
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.010 1.486 0.000
y 1.486 -38.891 0.000
z 0.000 0.000 -45.209
Traceless
 xyz
x 5.041 1.486 0.000
y 1.486 2.218 0.000
z 0.000 0.000 -7.259
Polar
3z2-r2-14.518
x2-y21.882
xy1.486
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.563 -0.480 0.000
y -0.480 12.965 0.000
z 0.000 0.000 5.051


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