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

using model chemistry: BLYP/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 BLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-592.247324
Energy at 298.15K-592.253310
Nuclear repulsion energy268.828613
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/aug-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 3174 3168 0.83      
2 A 3132 3126 7.65      
3 A 3116 3110 7.89      
4 A 3030 3025 13.55      
5 A 2949 2943 39.06      
6 A 1525 1523 1.75      
7 A 1440 1437 4.44      
8 A 1429 1426 11.72      
9 A 1358 1356 0.07      
10 A 1326 1324 1.85      
11 A 1211 1209 10.09      
12 A 1130 1128 8.51      
13 A 1058 1056 1.42      
14 A 1030 1028 4.85      
15 A 956 954 2.52      
16 A 814 813 10.40      
17 A 708 706 1.25      
18 A 630 629 1.85      
19 A 531 530 0.45      
20 A 297 296 0.81      
21 A 2998 2992 15.21      
22 A 1414 1412 7.20      
23 A 1016 1014 0.22      
24 A 855 853 0.36      
25 A 785 784 16.57      
26 A 661 660 66.50      
27 A 556 555 0.51      
28 A 457 456 4.91      
29 A 223 223 2.76      
30 A 107 106 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 19956.9 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 19919.0 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 BLYP/aug-cc-pVDZ
ABC
0.17045 0.10106 0.06422

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.424 -1.555 0.000
C2 -1.458 -1.037 0.000
H3 -2.163 1.088 0.000
C4 -1.314 0.395 0.000
C5 0.000 0.829 0.000
H6 -0.048 -2.773 0.000
C7 -0.246 -1.698 0.000
S8 1.100 -0.563 0.000
H9 -0.320 2.952 0.000
H10 1.148 2.454 0.892
H11 1.148 2.454 -0.892
C12 0.528 2.243 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 C5 H6 C7 S8 H9 H10 H11 C12
H11.09592.65602.24303.39952.66982.18273.66074.97345.44265.44264.8094
C21.09592.23981.43912.36812.23601.38042.60134.14814.44674.44673.8339
H32.65602.23981.09652.17894.40293.38263.65732.62123.69113.69112.9281
C42.24301.43911.09651.38423.41132.34982.59722.74363.33153.33152.6092
C53.39952.36812.17891.38423.60222.53901.77392.14652.18042.18041.5089
H62.66982.23604.40293.41133.60221.09292.49055.73105.43575.43575.0484
C72.18271.38043.38262.34982.53901.09291.76074.65034.46974.46974.0159
S83.66072.60133.65732.59721.77392.49051.76073.79023.14633.14632.8631
H94.97344.14812.62122.74362.14655.73104.65033.79021.78801.78801.1047
H105.44264.44673.69113.33152.18045.43574.46973.14631.78801.78481.1071
H115.44264.44673.69113.33152.18045.43574.46973.14631.78801.78481.1071
C124.80943.83392.92812.60921.50895.04844.01592.86311.10471.10711.1071

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 123.896 H1 C2 C7 123.220
C2 C4 H3 123.537 C2 C4 C5 114.005
C2 C7 H6 129.027 C2 C7 S8 111.243
H3 C4 C5 122.459 C4 C2 C7 112.884
C4 C5 S8 110.034 C4 C5 C12 128.755
C5 S8 C7 91.834 C5 C12 H9 109.457
C5 C12 H10 112.011 C5 C12 H11 112.011
H6 C7 S8 119.730 S8 C5 C12 121.211
H9 C12 H10 107.878 H9 C12 H11 107.878
H10 C12 H11 107.432
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H -0.682      
2 C 0.602      
3 H -0.867      
4 C 1.684      
5 C -0.258      
6 H -0.722      
7 C 0.300      
8 S 0.043      
9 H -0.395      
10 H -0.214      
11 H -0.214      
12 C 0.723      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.378 0.617 0.000 0.723
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.553 0.657 0.000
y 0.657 -38.781 0.000
z 0.000 0.000 -47.070
Traceless
 xyz
x 0.372 0.657 0.000
y 0.657 6.031 0.000
z 0.000 0.000 -6.403
Polar
3z2-r2-12.806
x2-y2-3.772
xy0.657
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.669 0.560 0.000
y 0.560 14.639 0.000
z 0.000 0.000 8.243


<r2> (average value of r2) Å2
<r2> 182.228
(<r2>)1/2 13.499