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All results from a given calculation for C5H6S (Thiophene, 2-methyl-)

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-592.191732
Energy at 298.15K-592.197721
HF Energy-592.191732
Nuclear repulsion energy 
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 B97D3/6-31G*
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' 3214 3151 2.73      
2 A' 3166 3104 14.05      
3 A' 3149 3087 11.96      
4 A' 3075 3014 16.24      
5 A' 2984 2926 43.30      
6 A' 1569 1538 2.36      
7 A' 1496 1467 2.69      
8 A' 1473 1444 9.85      
9 A' 1414 1386 0.76      
10 A' 1368 1341 1.11      
11 A' 1242 1217 9.93      
12 A' 1162 1140 10.62      
13 A' 1091 1070 1.53      
14 A' 1056 1036 3.71      
15 A' 985 966 1.92      
16 A' 841 825 10.98      
17 A' 732 718 0.71      
18 A' 653 640 2.19      
19 A' 545 534 0.73      
20 A' 300 294 0.82      
21 A" 3039 2980 21.61      
22 A" 1480 1451 7.04      
23 A" 1047 1027 0.97      
24 A" 859 842 0.42      
25 A" 790 774 12.23      
26 A" 667 654 55.34      
27 A" 556 545 1.32      
28 A" 457 448 4.32      
29 A" 221 217 2.45      
30 A" 98 96 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 20363.1 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 19964.0 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 B97D3/6-31G*
ABC
0.17322 0.10256 0.06521

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.403 -1.555 0.000
C2 -1.446 -1.035 0.000
H3 -2.150 1.082 0.000
C4 -1.309 0.390 0.000
C5 0.000 0.820 0.000
H6 -0.038 -2.752 0.000
C7 -0.235 -1.685 0.000
S8 1.090 -0.555 0.000
H9 -0.318 2.932 0.000
H10 1.141 2.437 0.887
H11 1.141 2.437 -0.887
C12 0.523 2.226 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 C5 H6 C7 S8 H9 H10 H11 C12
H11.08892.64962.23133.37852.65132.17173.63324.94805.41115.41114.7816
C21.08892.23171.43152.35212.22081.37402.58104.12494.41984.41983.8103
H32.64962.23171.08962.16614.37813.36513.62982.60343.66763.66762.9080
C42.23131.43151.08961.37803.38942.33582.57782.72893.31363.31362.5946
C53.37852.35212.16611.37803.57212.51551.75372.13652.16882.16881.5010
H62.65132.22084.37813.38943.57211.08572.47005.69155.39465.39465.0102
C72.17171.37403.36512.33582.51551.08571.74164.61794.43484.43483.9841
S83.63322.58103.62982.57781.75372.47001.74163.76033.12043.12042.8379
H94.94804.12492.60342.72892.13655.69154.61793.76031.77821.77821.0986
H105.41114.41983.66763.31362.16885.39464.43483.12041.77821.77481.1012
H115.41114.41983.66763.31362.16885.39464.43483.12041.77821.77481.1012
C124.78163.81032.90802.59461.50105.01023.98412.83791.09861.10121.1012

picture of Thiophene, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C4 124.071 H1 C2 C7 123.261
C2 C4 H3 123.991 C2 C4 C5 113.666
C2 C7 H6 128.651 C2 C7 S8 111.187
H3 C4 C5 122.344 C4 C2 C7 112.668
C4 C5 S8 110.084 C4 C5 C12 128.529
C5 S8 C7 92.395 C5 C12 H9 109.606
C5 C12 H10 112.006 C5 C12 H11 112.006
H6 C7 S8 120.162 S8 C5 C12 121.387
H9 C12 H10 107.807 H9 C12 H11 107.807
H10 C12 H11 107.426
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.142      
2 C -0.103      
3 H 0.136      
4 C -0.125      
5 C -0.110      
6 H 0.173      
7 C -0.351      
8 S 0.233      
9 H 0.171      
10 H 0.174      
11 H 0.174      
12 C -0.514      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.485 0.527 0.000 0.716
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.700 0.729 0.000
y 0.729 -36.812 0.000
z 0.000 0.000 -45.438
Traceless
 xyz
x 0.425 0.729 0.000
y 0.729 6.257 0.000
z 0.000 0.000 -6.681
Polar
3z2-r2-13.363
x2-y2-3.888
xy0.729
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.334 0.480 0.000
y 0.480 12.044 0.000
z 0.000 0.000 5.003


<r2> (average value of r2) Å2
<r2> 178.782
(<r2>)1/2 13.371