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

using model chemistry: BLYP/3-21G

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/3-21G
 hartrees
Energy at 0K-589.166844
Energy at 298.15K-589.172821
Nuclear repulsion energy263.005732
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/3-21G
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' 3215 3197 0.70      
2 A' 3208 3190 0.64      
3 A' 3139 3122 3.93      
4 A' 3049 3033 14.44      
5 A' 2970 2953 26.82      
6 A' 1558 1550 2.29      
7 A' 1512 1504 8.29      
8 A' 1434 1427 7.75      
9 A' 1420 1413 2.58      
10 A' 1343 1336 4.53      
11 A' 1234 1227 6.06      
12 A' 1134 1127 3.20      
13 A' 1105 1099 1.94      
14 A' 1019 1013 8.75      
15 A' 917 912 1.81      
16 A' 769 765 21.15      
17 A' 728 724 0.57      
18 A' 611 608 2.82      
19 A' 511 508 1.98      
20 A' 312 310 1.04      
21 A" 3012 2996 20.70      
22 A" 1520 1512 6.81      
23 A" 1070 1064 7.74      
24 A" 879 874 0.36      
25 A" 759 755 84.94      
26 A" 681 677 9.03      
27 A" 587 584 13.14      
28 A" 427 424 0.01      
29 A" 222 221 3.07      
30 A" 115 115 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 20230.4 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 20119.1 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/3-21G
ABC
0.21992 0.07769 0.05805

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.231 0.817 0.000
C2 -1.274 0.297 0.000
C3 0.000 1.003 0.000
C4 1.080 0.157 0.000
H5 -1.954 -1.816 0.000
C6 -1.171 -1.067 0.000
S7 0.578 -1.601 0.000
H8 1.155 2.846 0.000
H9 -0.389 2.948 0.892
H10 -0.389 2.948 -0.892
C11 0.103 2.523 0.000
H12 2.135 0.406 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 C4 H5 C6 S7 H8 H9 H10 C11 H12
H11.08962.23913.37662.64782.16203.70673.94772.95462.95462.89114.3860
C21.08961.45642.35822.21961.36752.65173.52102.93372.93372.61763.4110
C32.23911.45641.37193.42972.37752.66722.17512.17532.17531.52392.2171
C43.37662.35821.37193.61892.56171.82832.69003.27813.27812.56031.0843
H52.64782.21963.42973.61891.08402.54065.60345.09315.09314.80194.6539
C62.16201.36752.37752.56171.08401.82824.55154.18614.18613.80903.6191
S73.70672.65172.66721.82832.54061.82824.48424.73564.73564.15162.5407
H83.94773.52102.17512.69005.60344.55154.48421.78681.78681.10082.6291
H92.95462.93372.17533.27815.09314.18614.73561.78681.78491.10413.6921
H102.95462.93372.17533.27815.09314.18614.73561.78681.78491.10413.6921
C112.89112.61761.52392.56034.80193.80904.15161.10081.10411.10412.9349
H124.38603.41102.21711.08434.65393.61912.54072.62913.69213.69212.9349

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 122.491 H1 C2 C6 122.856
C2 C3 C4 112.942 C2 C3 C11 122.855
C2 C6 H5 129.401 C2 C6 S7 111.335
C3 C2 C6 114.653 C3 C4 S7 112.122
C3 C4 H12 128.638 C3 C11 H8 110.904
C3 C11 H9 110.717 C3 C11 H10 110.717
C4 C3 C11 124.203 C4 S7 C6 88.948
H5 C6 S7 119.265 S7 C4 H12 119.240
H8 C11 H9 108.267 H8 C11 H10 108.267
H9 C11 H10 107.861
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.170      
2 C -0.123      
3 C 0.093      
4 C -0.518      
5 H 0.204      
6 C -0.499      
7 S 0.474      
8 H 0.189      
9 H 0.197      
10 H 0.197      
11 C -0.581      
12 H 0.198      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.497 1.203 0.000 1.302
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.592 1.824 0.000
y 1.824 -40.687 0.000
z 0.000 0.000 -47.017
Traceless
 xyz
x 5.260 1.824 0.000
y 1.824 2.118 0.000
z 0.000 0.000 -7.378
Polar
3z2-r2-14.755
x2-y22.095
xy1.824
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 195.605
(<r2>)1/2 13.986