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

using model chemistry: PBEPBE/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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-591.909344
Energy at 298.15K-591.915341
Nuclear repulsion energy270.365842
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 PBEPBE/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 3189 3171 0.70      
2 A 3152 3134 5.06      
3 A 3135 3117 7.07      
4 A 3065 3047 8.28      
5 A 2966 2949 32.74      
6 A 1555 1545 2.99      
7 A 1472 1464 7.19      
8 A 1415 1406 6.12      
9 A 1346 1338 0.06      
10 A 1334 1327 1.36      
11 A 1199 1192 9.17      
12 A 1156 1150 10.16      
13 A 1049 1043 3.07      
14 A 1030 1024 4.42      
15 A 951 946 2.01      
16 A 830 826 10.94      
17 A 730 726 0.26      
18 A 656 652 1.44      
19 A 537 534 0.50      
20 A 296 294 0.82      
21 A 3031 3013 11.02      
22 A 1397 1389 8.15      
23 A 1003 997 1.38      
24 A 865 860 0.18      
25 A 790 785 10.29      
26 A 667 663 52.06      
27 A 557 553 0.44      
28 A 459 456 5.56      
29 A 225 223 2.56      
30 A 97 97 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 20077.3 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 19960.9 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 PBEPBE/cc-pVDZ
ABC
0.17271 0.10227 0.06503

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.412 -1.562 0.000
C2 -1.448 -1.037 0.000
H3 -2.163 1.084 0.000
C4 -1.312 0.388 0.000
C5 0.000 0.822 0.000
H6 -0.029 -2.763 0.000
C7 -0.233 -1.687 0.000
S8 1.090 -0.554 0.000
H9 -0.320 2.943 0.000
H10 1.149 2.440 0.894
H11 1.149 2.440 -0.894
C12 0.525 2.227 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 C5 H6 C7 S8 H9 H10 H11 C12
H11.09802.65802.23913.39212.66902.18293.64454.96705.43115.43114.7948
C21.09802.23841.43182.35702.23461.37782.58354.13664.43084.43083.8146
H32.65802.23841.09882.17834.39953.37673.64152.61713.68793.68792.9208
C42.23911.43181.09881.38243.40282.33902.58022.74053.32643.32642.5999
C53.39212.35702.17831.38243.58612.52031.75562.14412.17572.17571.4998
H62.66902.23464.39953.40283.58611.09562.47685.71355.40945.40945.0215
C72.18291.37783.37672.33902.52031.09561.74194.63054.44294.44293.9871
S83.64452.58353.64152.58021.75562.47681.74193.77003.12493.12492.8379
H94.96704.13662.61712.74052.14415.71354.63053.77001.79101.79101.1073
H105.43114.43083.68793.32642.17575.40944.44293.12491.79101.78711.1100
H115.43114.43083.68793.32642.17575.40944.44293.12491.79101.78711.1100
C124.79483.81462.92082.59991.49985.02153.98712.83791.10731.11001.1100

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 124.003 H1 C2 C7 123.301
C2 C4 H3 123.863 C2 C4 C5 113.758
C2 C7 H6 128.868 C2 C7 S8 111.279
H3 C4 C5 122.379 C4 C2 C7 112.697
C4 C5 S8 110.056 C4 C5 C12 128.816
C5 S8 C7 92.211 C5 C12 H9 109.740
C5 C12 H10 112.094 C5 C12 H11 112.094
H6 C7 S8 119.853 S8 C5 C12 121.128
H9 C12 H10 107.748 H9 C12 H11 107.748
H10 C12 H11 107.217
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H -0.016      
2 C 0.055      
3 H -0.025      
4 C 0.047      
5 C -0.249      
6 H 0.019      
7 C -0.129      
8 S 0.128      
9 H 0.042      
10 H 0.057      
11 H 0.057      
12 C 0.017      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.266 0.568 0.000 0.627
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.073 0.655 0.000
y 0.655 -37.405 0.000
z 0.000 0.000 -45.965
Traceless
 xyz
x 0.612 0.655 0.000
y 0.655 6.114 0.000
z 0.000 0.000 -6.726
Polar
3z2-r2-13.452
x2-y2-3.668
xy0.655
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.752 0.585 0.000
y 0.585 12.825 0.000
z 0.000 0.000 5.055


<r2> (average value of r2) Å2
<r2> 179.628
(<r2>)1/2 13.403