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

using model chemistry: B1B95/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/CEP-31G
 hartrees
Energy at 0K-41.834241
Energy at 298.15K-41.840372
Nuclear repulsion energy106.332737
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 B1B95/CEP-31G
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' 3298 3157 2.09      
2 A' 3290 3150 1.50      
3 A' 3234 3097 4.98      
4 A' 3173 3038 27.68      
5 A' 3065 2935 41.26      
6 A' 1623 1554 2.23      
7 A' 1522 1457 19.45      
8 A' 1493 1430 6.97      
9 A' 1438 1376 8.36      
10 A' 1412 1352 2.39      
11 A' 1252 1199 5.14      
12 A' 1184 1134 2.21      
13 A' 1108 1061 5.55      
14 A' 1018 975 9.94      
15 A' 940 900 3.63      
16 A' 830 795 18.06      
17 A' 797 763 6.87      
18 A' 645 618 0.68      
19 A' 527 504 0.84      
20 A' 304 291 0.98      
21 A" 3146 3012 37.34      
22 A" 1495 1432 13.22      
23 A" 1069 1024 10.26      
24 A" 948 908 0.87      
25 A" 798 765 107.10      
26 A" 730 699 10.72      
27 A" 590 565 21.07      
28 A" 439 420 0.04      
29 A" 232 222 4.52      
30 A" 122 117 0.24      

Unscaled Zero Point Vibrational Energy (zpe) 20860.8 cm-1
Scaled (by 0.9575) Zero Point Vibrational Energy (zpe) 19974.2 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 B1B95/CEP-31G
ABC
0.22103 0.07789 0.05823

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.245 0.817 0.000
C2 -1.282 0.306 0.000
C3 0.000 1.010 0.000
C4 1.079 0.130 0.000
H5 -1.941 -1.831 0.000
C6 -1.160 -1.076 0.000
S7 0.560 -1.592 0.000
H8 1.185 2.836 0.000
H9 -0.352 2.964 0.889
H10 -0.352 2.964 -0.889
C11 0.131 2.524 0.000
H12 2.140 0.361 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 C4 H5 C6 S7 H8 H9 H10 C11 H12
H11.08982.25293.39382.66542.18163.69763.98012.99652.99652.92524.4080
C21.08981.46252.36742.23641.38742.64533.53382.95252.95252.62983.4222
C32.25291.46251.39223.44062.38672.66152.17712.17522.17521.52012.2357
C43.39382.36741.39223.60052.54301.79812.70833.29683.29682.57541.0860
H52.66542.23643.44063.60051.08622.51295.61735.12865.12864.82294.6325
C62.18161.38742.38672.54301.08621.79644.56114.21444.21443.82463.5995
S73.69762.64532.66151.79812.51291.79644.47184.73054.73054.13872.5122
H83.98013.53382.17712.70835.61734.56114.47181.78051.78051.09972.6519
H92.99652.95252.17523.29685.12864.21444.73051.78051.77741.10283.7108
H102.99652.95252.17523.29685.12864.21444.73051.78051.77741.10283.7108
C112.92522.62981.52012.57544.82293.82464.13871.09971.10281.10282.9518
H124.40803.42222.23571.08604.63253.59952.51222.65193.71083.71082.9518

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 123.282 H1 C2 C6 122.995
C2 C3 C4 112.031 C2 C3 C11 123.693
C2 C6 H5 129.000 C2 C6 S7 111.736
C3 C2 C6 113.724 C3 C4 S7 112.452
C3 C4 H12 128.461 C3 C11 H8 111.393
C3 C11 H9 111.061 C3 C11 H10 111.061
C4 C3 C11 124.276 C4 S7 C6 90.057
H5 C6 S7 119.264 S7 C4 H12 119.088
H8 C11 H9 107.881 H8 C11 H10 107.881
H9 C11 H10 107.392
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.318      
2 C 0.047      
3 C -0.103      
4 C -0.454      
5 H 0.307      
6 C -0.605      
7 S 0.171      
8 H 0.165      
9 H 0.144      
10 H 0.144      
11 C -0.461      
12 H 0.326      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.532 1.272 0.000 1.378
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.551 1.843 0.000
y 1.843 -39.896 0.000
z 0.000 0.000 -45.893
Traceless
 xyz
x 5.343 1.843 0.000
y 1.843 1.826 0.000
z 0.000 0.000 -7.169
Polar
3z2-r2-14.338
x2-y22.344
xy1.843
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.482 -0.498 0.000
y -0.498 12.670 0.000
z 0.000 0.000 4.496


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