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

using model chemistry: HF/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-590.424652
Energy at 298.15K-590.431261
Nuclear repulsion energy272.054296
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/6-311+G(3df,2p)
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' 3390 3080 1.50      
2 A' 3379 3071 1.62      
3 A' 3339 3034 6.35      
4 A' 3235 2940 24.09      
5 A' 3158 2870 38.09      
6 A' 1744 1585 4.74      
7 A' 1613 1465 11.69      
8 A' 1572 1428 6.94      
9 A' 1541 1400 1.04      
10 A' 1514 1376 5.83      
11 A' 1368 1243 2.98      
12 A' 1268 1152 1.71      
13 A' 1196 1086 2.54      
14 A' 1089 990 6.13      
15 A' 1001 909 2.74      
16 A' 920 836 9.98      
17 A' 888 807 21.47      
18 A' 707 642 0.81      
19 A' 578 525 0.91      
20 A' 341 310 0.95      
21 A" 3204 2911 25.12      
22 A" 1601 1455 6.07      
23 A" 1159 1053 1.48      
24 A" 1038 943 0.10      
25 A" 887 806 71.68      
26 A" 802 729 15.75      
27 A" 656 596 14.45      
28 A" 494 449 0.20      
29 A" 251 228 3.01      
30 A" 139 126 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 22035.3 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 20021.3 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 HF/6-311+G(3df,2p)
ABC
0.23572 0.08281 0.06198

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.205 0.748 0.000
C2 -1.250 0.260 0.000
C3 0.000 0.970 0.000
C4 1.044 0.122 0.000
H5 -1.866 -1.818 0.000
C6 -1.098 -1.074 0.000
S7 0.554 -1.522 0.000
H8 1.130 2.792 0.000
H9 -0.386 2.888 0.875
H10 -0.386 2.888 -0.875
C11 0.098 2.469 0.000
H12 2.083 0.375 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 C4 H5 C6 S7 H8 H9 H10 C11 H12
H11.07282.21663.30922.58772.13193.57303.91232.94242.94242.87534.3049
C21.07281.43712.29802.16751.34302.53603.47472.90122.90122.58683.3350
C32.21661.43711.34523.35452.32012.55342.14412.14332.14331.50152.1667
C43.30922.29801.34523.49702.45301.71592.67183.23493.23492.53011.0696
H52.58772.16753.35453.49701.06912.43745.49795.01015.01014.71464.5169
C62.13191.34302.32012.45301.06911.71134.46214.11964.11963.73873.4955
S73.57302.53602.55341.71592.43741.71134.35314.59394.59394.01692.4372
H83.91233.47472.14412.67185.49794.46214.35311.75311.75311.08162.5984
H92.94242.90122.14333.23495.01014.11964.59391.75311.74941.08443.6305
H102.94242.90122.14333.23495.01014.11964.59391.75311.74941.08443.6305
C112.87532.58681.50152.53014.71463.73874.01691.08161.08441.08442.8851
H124.30493.33502.16671.06964.51693.49552.43722.59843.63053.63052.8851

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 123.400 H1 C2 C6 123.507
C2 C3 C4 111.317 C2 C3 C11 123.334
C2 C6 H5 127.585 C2 C6 S7 111.693
C3 C2 C6 113.094 C3 C4 S7 112.487
C3 C4 H12 127.217 C3 C11 H8 111.164
C3 C11 H9 110.933 C3 C11 H10 110.933
C4 C3 C11 125.349 C4 S7 C6 91.409
H5 C6 S7 120.721 S7 C4 H12 120.296
H8 C11 H9 108.066 H8 C11 H10 108.066
H9 C11 H10 107.535
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.122      
2 C -0.262      
3 C 0.581      
4 C -0.147      
5 H 0.141      
6 C -0.212      
7 S -0.452      
8 H 0.106      
9 H 0.139      
10 H 0.139      
11 C -0.279      
12 H 0.122      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.469 1.125 0.000 1.219
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.191 1.840 0.000
y 1.840 -41.437 0.000
z 0.000 0.000 -47.367
Traceless
 xyz
x 5.211 1.840 0.000
y 1.840 1.842 0.000
z 0.000 0.000 -7.053
Polar
3z2-r2-14.106
x2-y22.246
xy1.840
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.225 -0.605 0.000
y -0.605 13.495 0.000
z 0.000 0.000 7.669


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