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

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-592.279611
Energy at 298.15K-592.285824
Nuclear repulsion energy270.355091
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 mPW1PW91/6-31G*
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' 3302 3131 0.76      
2 A' 3291 3121 0.82      
3 A' 3247 3079 5.54      
4 A' 3166 3003 14.74      
5 A' 3072 2913 31.64      
6 A' 1636 1552 2.86      
7 A' 1532 1452 11.43      
8 A' 1495 1418 4.36      
9 A' 1453 1378 3.34      
10 A' 1437 1363 1.85      
11 A' 1277 1211 3.49      
12 A' 1205 1143 2.05      
13 A' 1124 1066 4.06      
14 A' 1027 974 9.29      
15 A' 961 911 3.12      
16 A' 890 844 14.91      
17 A' 859 815 8.65      
18 A' 674 639 0.52      
19 A' 553 524 0.48      
20 A' 321 304 0.88      
21 A" 3134 2972 17.91      
22 A" 1517 1438 6.90      
23 A" 1077 1021 4.45      
24 A" 900 853 0.04      
25 A" 787 746 74.31      
26 A" 694 659 4.09      
27 A" 611 580 9.87      
28 A" 465 441 0.12      
29 A" 236 224 2.91      
30 A" 112 106 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 21026.1 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 19939.1 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 mPW1PW91/6-31G*
ABC
0.23296 0.08192 0.06130

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.213 0.789 0.000
C2 -1.252 0.288 0.000
C3 0.000 0.981 0.000
C4 1.052 0.107 0.000
H5 -1.895 -1.819 0.000
C6 -1.117 -1.069 0.000
S7 0.539 -1.538 0.000
H8 1.180 2.780 0.000
H9 -0.346 2.915 0.881
H10 -0.346 2.915 -0.881
C11 0.132 2.474 0.000
H12 2.107 0.344 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 C4 H5 C6 S7 H8 H9 H10 C11 H12
H11.08432.22123.33512.62732.15703.60423.93422.96362.96362.88704.3423
C21.08431.43082.31042.20241.36292.55733.48272.91592.91592.58723.3588
C32.22121.43081.36723.38062.33412.57552.15232.15392.15391.49892.2006
C43.33512.31041.36723.52032.46711.72272.67663.25823.25822.53931.0812
H52.62732.20243.38063.52031.08062.45075.53285.05855.05854.74704.5489
C62.15701.36292.33412.46711.08061.72174.48274.15264.15263.75623.5198
S73.60422.55732.57551.72272.45071.72174.36564.62494.62494.03222.4490
H83.93423.48272.15232.67665.53284.48274.36561.76731.76731.09252.6066
H92.96362.91592.15393.25825.05854.15264.62491.76731.76291.09533.6608
H102.96362.91592.15393.25825.05854.15264.62491.76731.76291.09533.6608
C112.88702.58721.49892.53934.74703.75624.03221.09251.09531.09532.9044
H124.34233.35882.20061.08124.54893.51982.44902.60663.66083.66082.9044

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 123.462 H1 C2 C6 123.226
C2 C3 C4 111.308 C2 C3 C11 124.012
C2 C6 H5 128.292 C2 C6 S7 111.470
C3 C2 C6 113.312 C3 C4 S7 112.418
C3 C4 H12 127.615 C3 C11 H8 111.346
C3 C11 H9 111.298 C3 C11 H10 111.298
C4 C3 C11 124.680 C4 S7 C6 91.492
H5 C6 S7 120.237 S7 C4 H12 119.967
H8 C11 H9 107.766 H8 C11 H10 107.766
H9 C11 H10 107.170
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.173      
2 C -0.146      
3 C 0.152      
4 C -0.446      
5 H 0.208      
6 C -0.406      
7 S 0.287      
8 H 0.183      
9 H 0.189      
10 H 0.189      
11 C -0.586      
12 H 0.202      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.370 0.914 0.000 0.986
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.991 1.577 0.000
y 1.577 -39.923 0.000
z 0.000 0.000 -45.709
Traceless
 xyz
x 4.825 1.577 0.000
y 1.577 1.927 0.000
z 0.000 0.000 -6.752
Polar
3z2-r2-13.504
x2-y21.932
xy1.577
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> 186.653
(<r2>)1/2 13.662