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

using model chemistry: BLYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-592.314572
Energy at 298.15K-592.320568
Nuclear repulsion energy270.615679
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/cc-pVTZ
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 3172 3163 1.25      
2 A 3127 3118 9.13      
3 A 3110 3101 8.75      
4 A 3023 3014 14.14      
5 A 2952 2943 36.71      
6 A 1528 1523 1.81      
7 A 1461 1456 3.59      
8 A 1431 1426 10.63      
9 A 1383 1379 0.06      
10 A 1340 1336 1.15      
11 A 1229 1225 9.78      
12 A 1130 1127 7.94      
13 A 1073 1070 1.38      
14 A 1039 1036 4.20      
15 A 964 961 2.49      
16 A 822 820 10.16      
17 A 714 712 0.96      
18 A 632 630 1.62      
19 A 535 534 0.53      
20 A 296 295 0.77      
21 A 2989 2980 16.87      
22 A 1446 1441 6.99      
23 A 1034 1031 0.51      
24 A 871 868 0.22      
25 A 798 796 14.39      
26 A 671 669 59.66      
27 A 560 558 0.52      
28 A 462 460 4.60      
29 A 224 223 2.54      
30 A 89 89 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 20050.9 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 19990.7 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/cc-pVTZ
ABC
0.17317 0.10212 0.06502

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.404 -1.546 0.000
C2 -1.446 -1.034 0.000
H3 -2.149 1.077 0.000
C4 -1.306 0.390 0.000
C5 0.000 0.823 0.000
H6 -0.047 -2.753 0.000
C7 -0.241 -1.689 0.000
S8 1.091 -0.559 0.000
H9 -0.315 2.939 0.000
H10 1.140 2.444 0.885
H11 1.140 2.444 -0.885
C12 0.524 2.233 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 C5 H6 C7 S8 H9 H10 H11 C12
H11.08642.63562.22623.37532.64842.16733.63154.94815.40955.40954.7806
C21.08642.22451.43082.35342.21711.37112.58084.13094.42314.42313.8147
H32.63562.22451.08732.16354.36913.35923.62892.61353.66933.66932.9115
C42.22621.43081.08731.37553.38622.33522.57742.73483.31373.31372.5966
C53.37532.35342.16351.37553.57662.52291.76042.13952.17012.17011.5042
H62.64842.21714.36913.38623.57661.08262.47165.69885.40405.40405.0189
C72.16731.37113.35922.33522.52291.08261.74644.62824.44604.44603.9954
S83.63152.58083.62892.57741.76042.47161.74643.76993.13103.13102.8491
H94.94814.13092.61352.73482.13955.69884.62823.76991.77291.77291.0961
H105.40954.42313.66933.31372.17015.40404.44603.13101.77291.76931.0985
H115.40954.42313.66933.31372.17015.40404.44603.13101.77291.76931.0985
C124.78063.81472.91152.59661.50425.01893.99542.84911.09611.09851.0985

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 123.780 H1 C2 C7 123.334
C2 C4 H3 123.537 C2 C4 C5 113.972
C2 C7 H6 128.882 C2 C7 S8 111.185
H3 C4 C5 122.491 C4 C2 C7 112.886
C4 C5 S8 109.944 C4 C5 C12 128.707
C5 S8 C7 92.012 C5 C12 H9 109.735
C5 C12 H10 112.039 C5 C12 H11 112.039
H6 C7 S8 119.933 S8 C5 C12 121.349
H9 C12 H10 107.775 H9 C12 H11 107.775
H10 C12 H11 107.286
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.097      
2 C -0.117      
3 H 0.092      
4 C -0.138      
5 C 0.031      
6 H 0.105      
7 C -0.160      
8 S 0.080      
9 H 0.095      
10 H 0.102      
11 H 0.102      
12 C -0.288      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.355 0.549 0.000 0.654
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.032 0.633 0.000
y 0.633 -38.331 0.000
z 0.000 0.000 -46.430
Traceless
 xyz
x 0.349 0.633 0.000
y 0.633 5.899 0.000
z 0.000 0.000 -6.248
Polar
3z2-r2-12.496
x2-y2-3.701
xy0.633
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> 179.989
(<r2>)1/2 13.416