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

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-589.288977
Energy at 298.15K-589.295168
Nuclear repulsion energy265.313336
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 B3LYP/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3298 3182 0.81      
2 A' 3290 3174 0.64      
3 A' 3225 3112 2.76      
4 A' 3129 3019 12.49      
5 A' 3048 2941 22.91      
6 A' 1618 1561 1.38      
7 A' 1554 1500 10.75      
8 A' 1490 1438 12.03      
9 A' 1464 1413 0.50      
10 A' 1389 1341 5.18      
11 A' 1276 1231 5.58      
12 A' 1173 1131 3.02      
13 A' 1139 1099 2.37      
14 A' 1049 1012 8.85      
15 A' 947 914 1.82      
16 A' 802 774 23.46      
17 A' 763 736 1.57      
18 A' 640 617 2.81      
19 A' 532 513 1.98      
20 A' 321 310 1.09      
21 A" 3095 2986 17.51      
22 A" 1555 1501 7.92      
23 A" 1105 1066 9.46      
24 A" 940 907 1.09      
25 A" 811 782 83.41      
26 A" 731 706 16.36      
27 A" 614 592 14.99      
28 A" 444 429 0.12      
29 A" 232 224 3.23      
30 A" 121 117 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 20896.4 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 20162.9 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 B3LYP/3-21G
ABC
0.22373 0.07908 0.05907

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.218 0.803 0.000
C2 -1.266 0.289 0.000
C3 0.000 0.994 0.000
C4 1.070 0.155 0.000
H5 -1.935 -1.806 0.000
C6 -1.155 -1.063 0.000
S7 0.576 -1.584 0.000
H8 1.140 2.828 0.000
H9 -0.394 2.922 0.887
H10 -0.394 2.922 -0.887
C11 0.096 2.503 0.000
H12 2.117 0.410 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 C4 H5 C6 S7 H8 H9 H10 C11 H12
H11.08232.22623.35162.62372.14713.67453.92172.93342.93342.87154.3529
C21.08231.44872.33992.19881.35612.62643.49802.91222.91222.59933.3849
C32.22621.44871.35983.40302.35882.64142.15982.15902.15901.51222.1960
C43.35162.33991.35983.58842.53711.80832.67373.25413.25412.54181.0773
H52.62372.19883.40303.58841.07702.52035.56135.05115.05114.76324.6184
C62.14711.35612.35882.53711.07701.80764.51744.15294.15293.77883.5886
S73.67452.62642.64141.80832.52031.80764.44814.69424.69424.11502.5208
H83.92173.49802.15982.67375.56134.51744.44811.77491.77491.09372.6075
H92.93342.91222.15903.25415.05114.15294.69421.77491.77341.09673.6611
H102.93342.91222.15903.25415.05114.15294.69421.77491.77341.09673.6611
C112.87152.59931.51222.54184.76323.77884.11501.09371.09671.09672.9091
H124.35293.38492.19601.07734.61843.58862.52082.60753.66113.66112.9091

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 122.532 H1 C2 C6 123.022
C2 C3 C4 112.808 C2 C3 C11 122.761
C2 C6 H5 128.941 C2 C6 S7 111.435
C3 C2 C6 114.446 C3 C4 S7 112.194
C3 C4 H12 128.222 C3 C11 H8 110.939
C3 C11 H9 110.689 C3 C11 H10 110.689
C4 C3 C11 124.432 C4 S7 C6 89.117
H5 C6 S7 119.624 S7 C4 H12 119.584
H8 C11 H9 108.256 H8 C11 H10 108.256
H9 C11 H10 107.904
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.194     0.191
2 C -0.139     -0.277
3 C 0.072     0.267
4 C -0.557     -0.395
5 H 0.226     0.231
6 C -0.540     -0.244
7 S 0.511     0.013
8 H 0.202     0.129
9 H 0.210     0.146
10 H 0.210     0.146
11 C -0.606     -0.467
12 H 0.219     0.259


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.542 1.250 0.000 1.362
CHELPG        
AIM        
ESP -0.563 1.224 0.000 1.347


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.450 1.921 0.000
y 1.921 -40.726 0.000
z 0.000 0.000 -47.110
Traceless
 xyz
x 5.468 1.921 0.000
y 1.921 2.054 0.000
z 0.000 0.000 -7.522
Polar
3z2-r2-15.045
x2-y22.276
xy1.921
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.809 -0.481 0.000
y -0.481 11.866 0.000
z 0.000 0.000 3.984


<r2> (average value of r2) Å2
<r2> 192.705
(<r2>)1/2 13.882