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All results from a given calculation for C5H6S (Thiophene, 2-methyl-)

using model chemistry: LSDA/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/6-311G*
 hartrees
Energy at 0K-590.234627
Energy at 298.15K-590.240638
Nuclear repulsion energy274.013212
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 LSDA/6-311G*
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 3178 3126 0.65      
2 A 3140 3088 3.04      
3 A 3121 3070 5.20      
4 A 3056 3006 7.04      
5 A 2965 2917 24.56      
6 A 1578 1552 5.33      
7 A 1494 1470 6.92      
8 A 1440 1416 10.64      
9 A 1368 1346 2.83      
10 A 1355 1332 1.92      
11 A 1214 1194 12.64      
12 A 1186 1167 11.76      
13 A 1065 1048 6.20      
14 A 1043 1026 4.81      
15 A 962 946 2.17      
16 A 854 840 14.04      
17 A 750 738 0.23      
18 A 676 665 1.14      
19 A 552 543 0.75      
20 A 297 292 0.86      
21 A 3025 2976 7.98      
22 A 1425 1402 14.27      
23 A 1015 999 2.32      
24 A 849 835 0.33      
25 A 775 762 15.24      
26 A 657 647 84.87      
27 A 563 554 1.11      
28 A 468 460 8.52      
29 A 227 224 4.16      
30 A 86 84 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 20191.1 cm-1
Scaled (by 0.9837) Zero Point Vibrational Energy (zpe) 19862.0 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 LSDA/6-311G*
ABC
0.17756 0.10514 0.06687

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.381 -1.558 0.000
C2 -1.425 -1.029 0.000
H3 -2.141 1.071 0.000
C4 -1.296 0.377 0.000
C5 0.000 0.810 0.000
H6 -0.012 -2.734 0.000
C7 -0.220 -1.665 0.000
S8 1.076 -0.541 0.000
H9 -0.333 2.904 0.000
H10 1.126 2.418 0.887
H11 1.126 2.418 -0.887
C12 0.509 2.196 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 C5 H6 C7 S8 H9 H10 H11 C12
H11.09242.64002.21843.35762.64422.16313.60294.90975.37485.37484.7376
C21.09242.21861.41182.32612.21441.36232.54784.08184.37864.37863.7605
H32.64002.21861.09372.15734.36013.34283.59822.57513.64333.64332.8796
C42.21841.41181.09371.36633.36552.30782.54312.70443.28883.28882.5628
C53.35762.32612.15731.36633.54362.48401.72652.12092.15422.15421.4770
H62.64422.21444.36013.36553.54361.08942.44815.64735.35015.35014.9574
C72.16311.36233.34282.30782.48401.08941.71514.57024.38914.38913.9289
S83.60292.54783.59822.54311.72652.44811.71513.72203.08943.08942.7948
H94.90974.08182.57512.70442.12095.64734.57023.72201.77511.77511.1005
H105.37484.37863.64333.28882.15425.35014.38913.08941.77511.77461.1028
H115.37484.37863.64333.28882.15425.35014.38913.08941.77511.77461.1028
C124.73763.76052.87962.56281.47704.95743.92892.79481.10051.10281.1028

picture of Thiophene, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C4 124.222 H1 C2 C7 123.202
C2 C4 H3 124.139 C2 C4 C5 113.698
C2 C7 H6 128.818 C2 C7 S8 111.250
H3 C4 C5 122.162 C4 C2 C7 112.576
C4 C5 S8 110.080 C4 C5 C12 128.628
C5 S8 C7 92.396 C5 C12 H9 109.886
C5 C12 H10 112.430 C5 C12 H11 112.430
H6 C7 S8 119.931 S8 C5 C12 121.293
H9 C12 H10 107.347 H9 C12 H11 107.347
H10 C12 H11 107.137
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.220      
2 C -0.206      
3 H 0.219      
4 C -0.182      
5 C -0.205      
6 H 0.252      
7 C -0.444      
8 S 0.323      
9 H 0.260      
10 H 0.265      
11 H 0.265      
12 C -0.767      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.338 0.562 0.000 0.656
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.168 0.640 0.000
y 0.640 -37.260 0.000
z 0.000 0.000 -46.850
Traceless
 xyz
x 0.887 0.640 0.000
y 0.640 6.749 0.000
z 0.000 0.000 -7.636
Polar
3z2-r2-15.271
x2-y2-3.908
xy0.640
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.932 0.470 0.000
y 0.470 12.574 0.000
z 0.000 0.000 5.475


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