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

using model chemistry: HF/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-590.358955
Energy at 298.15K-590.365546
Nuclear repulsion energy271.549140
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 HF/6-31G(2df,p)
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' 3404 3082 2.89      
2 A' 3394 3073 2.64      
3 A' 3349 3032 7.80      
4 A' 3251 2943 23.42      
5 A' 3166 2866 37.89      
6 A' 1763 1596 3.51      
7 A' 1616 1463 11.20      
8 A' 1593 1443 6.80      
9 A' 1541 1395 0.70      
10 A' 1514 1371 6.17      
11 A' 1363 1234 3.97      
12 A' 1266 1147 1.71      
13 A' 1197 1084 2.01      
14 A' 1091 988 7.21      
15 A' 1000 905 2.75      
16 A' 917 831 10.31      
17 A' 884 800 21.21      
18 A' 705 638 1.19      
19 A' 576 521 1.42      
20 A' 339 307 0.95      
21 A" 3218 2914 28.77      
22 A" 1601 1449 4.51      
23 A" 1159 1049 2.10      
24 A" 1033 936 0.26      
25 A" 890 806 56.43      
26 A" 803 727 10.21      
27 A" 659 597 9.02      
28 A" 491 445 0.07      
29 A" 252 228 1.86      
30 A" 141 128 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 22086.5 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 19999.4 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 HF/6-31G(2df,p)
ABC
0.23464 0.08256 0.06177

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.208 0.749 0.000
C2 -1.252 0.259 0.000
C3 0.000 0.971 0.000
C4 1.045 0.126 0.000
H5 -1.868 -1.821 0.000
C6 -1.101 -1.074 0.000
S7 0.557 -1.525 0.000
H8 1.129 2.798 0.000
H9 -0.390 2.893 0.876
H10 -0.390 2.893 -0.876
C11 0.096 2.471 0.000
H12 2.086 0.379 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 C4 H5 C6 S7 H8 H9 H10 C11 H12
H11.07452.21953.31272.59242.13263.58043.91652.94442.94442.87694.3101
C21.07451.44032.30112.16931.34142.54083.48092.90652.90652.59083.3400
C32.21951.44031.34413.35942.32282.55782.14762.14782.14781.50352.1682
C43.31272.30111.34413.50422.45951.72222.67283.23783.23782.53031.0709
H52.59242.16933.35943.50421.07042.44305.50625.01735.01734.72064.5249
C62.13261.34142.32282.45951.07041.71874.46844.12434.12433.74223.5030
S73.58042.54082.55781.72222.44301.71874.36074.60294.60294.02342.4423
H83.91653.48092.14762.67285.50624.46844.36071.75671.75671.08392.6007
H92.94442.90652.14783.23785.01734.12434.60291.75671.75151.08673.6357
H102.94442.90652.14783.23785.01734.12434.60291.75671.75151.08673.6357
C112.87692.59081.50352.53034.72063.74224.02341.08391.08671.08672.8876
H124.31013.34002.16821.07094.52493.50302.44232.60073.63573.63572.8876

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 123.241 H1 C2 C6 123.570
C2 C3 C4 111.421 C2 C3 C11 123.288
C2 C6 H5 127.821 C2 C6 S7 111.668
C3 C2 C6 113.189 C3 C4 S7 112.475
C3 C4 H12 127.388 C3 C11 H8 111.165
C3 C11 H9 111.011 C3 C11 H10 111.011
C4 C3 C11 125.292 C4 S7 C6 91.247
H5 C6 S7 120.511 S7 C4 H12 120.137
H8 C11 H9 108.057 H8 C11 H10 108.057
H9 C11 H10 107.388
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.149      
2 C -0.174      
3 C 0.166      
4 C -0.275      
5 H 0.176      
6 C -0.209      
7 S 0.027      
8 H 0.146      
9 H 0.148      
10 H 0.148      
11 C -0.473      
12 H 0.169      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.538 1.119 0.000 1.241
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.478 1.964 0.000
y 1.964 -41.144 0.000
z 0.000 0.000 -46.283
Traceless
 xyz
x 5.235 1.964 0.000
y 1.964 1.236 0.000
z 0.000 0.000 -6.472
Polar
3z2-r2-12.943
x2-y22.666
xy1.964
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.058 -0.640 0.000
y -0.640 12.220 0.000
z 0.000 0.000 5.648


<r2> (average value of r2) Å2
<r2> 185.844
(<r2>)1/2 13.632