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All results from a given calculation for C4H6S (Thiophene, 2,3-dihydro-)

using model chemistry: B1B95/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-554.166638
Energy at 298.15K-554.173528
Nuclear repulsion energy217.408994
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 B1B95/6-31+G**
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 3257 3115 5.95      
2 A 3226 3086 1.58      
3 A 3165 3027 8.42      
4 A 3106 2971 28.80      
5 A 3085 2951 14.80      
6 A 3025 2894 38.71      
7 A 1662 1590 18.73      
8 A 1487 1422 1.64      
9 A 1468 1404 3.84      
10 A 1347 1288 0.57      
11 A 1326 1268 3.62      
12 A 1280 1225 16.89      
13 A 1205 1152 2.60      
14 A 1147 1097 0.98      
15 A 1121 1072 1.61      
16 A 1027 983 5.97      
17 A 1004 961 3.39      
18 A 934 894 3.28      
19 A 922 882 1.07      
20 A 863 826 1.57      
21 A 803 768 27.45      
22 A 701 670 19.89      
23 A 687 657 30.88      
24 A 655 626 20.42      
25 A 498 476 0.54      
26 A 408 390 2.34      
27 A 170 163 1.03      

Unscaled Zero Point Vibrational Energy (zpe) 19787.7 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 18928.9 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 B1B95/6-31+G**
ABC
0.23058 0.15686 0.09864

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.071 -1.254 0.213
H2 -0.064 -1.497 1.279
H3 0.129 -2.160 -0.358
C4 -1.381 -0.567 -0.179
H5 -2.216 -0.979 0.394
H6 -1.605 -0.736 -1.242
C7 0.113 1.273 0.082
H8 0.486 2.286 0.168
C9 -1.170 0.903 0.062
H10 -1.992 1.607 0.129
S11 1.270 -0.041 -0.090

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 C9 H10 S11
C11.09311.09001.53032.17082.17732.53673.58332.42523.44651.8332
H21.09311.77662.17372.38443.05133.02273.98062.90923.83012.4029
H31.09001.77662.20232.73182.41233.46134.49143.35344.35022.4219
C41.53032.17372.20231.09371.09932.38403.42681.50392.27882.7039
H52.17082.38442.73181.09371.76323.25454.24392.17812.60863.6426
H62.17733.05132.41231.09931.76322.95593.93572.13822.74143.1742
C72.53673.02273.46132.38403.25452.95591.08291.33542.13101.7593
H83.58333.98064.49143.42684.24393.93571.08292.16042.56912.4688
C92.42522.90923.35341.50392.17812.13821.33542.16041.08402.6206
H103.44653.83014.35022.27882.60862.74142.13102.56911.08403.6606
S111.83322.40292.42192.70393.64263.17421.75932.46882.62063.6606

picture of Thiophene, 2,3-dihydro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 H5 110.536 C1 C4 H6 110.724
C1 C4 C9 106.119 C1 S11 C7 89.816
H2 C1 H3 108.942 H2 C1 C4 110.805
H2 C1 S11 107.697 H3 C1 C4 113.321
H3 C1 S11 109.240 C4 C1 S11 106.662
C4 C9 C7 114.073 C4 C9 H10 122.592
H5 C4 H6 107.030 H5 C4 C9 113.011
H6 C4 C9 109.463 C7 C9 H10 123.148
H8 C7 C9 126.276 H8 C7 S11 118.659
C9 C7 S11 115.048
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.466      
2 H 0.204      
3 H 0.192      
4 C -0.347      
5 H 0.169      
6 H 0.178      
7 C -0.211      
8 H 0.178      
9 C -0.068      
10 H 0.154      
11 S 0.017      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.620 -0.436 0.178 1.687
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.575 0.669 0.131
y 0.669 -33.588 -0.005
z 0.131 -0.005 -40.202
Traceless
 xyz
x -1.680 0.669 0.131
y 0.669 5.801 -0.005
z 0.131 -0.005 -4.121
Polar
3z2-r2-8.242
x2-y2-4.987
xy0.669
xz0.131
yz-0.005


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.286 0.040 -0.083
y 0.040 9.361 0.126
z -0.083 0.126 7.144


<r2> (average value of r2) Å2
<r2> 127.047
(<r2>)1/2 11.272