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

using model chemistry: B3LYP/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 B3LYP/6-31+G**
 hartrees
Energy at 0K-554.220010
Energy at 298.15K-554.226855
Nuclear repulsion energy215.690559
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/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 3239 3123 6.11      
2 A 3206 3091 2.65      
3 A 3142 3029 10.19      
4 A 3079 2968 41.04      
5 A 3064 2954 7.86      
6 A 3003 2895 42.04      
7 A 1641 1582 19.29      
8 A 1496 1443 1.26      
9 A 1479 1426 2.78      
10 A 1344 1296 0.38      
11 A 1326 1279 4.73      
12 A 1283 1237 17.39      
13 A 1206 1163 1.93      
14 A 1146 1105 1.07      
15 A 1124 1084 1.20      
16 A 1020 983 5.94      
17 A 997 961 3.63      
18 A 918 885 1.35      
19 A 913 880 2.61      
20 A 860 829 1.71      
21 A 787 759 24.13      
22 A 691 666 28.78      
23 A 672 648 35.83      
24 A 646 623 9.51      
25 A 502 484 0.46      
26 A 408 393 2.12      
27 A 158 153 1.00      

Unscaled Zero Point Vibrational Energy (zpe) 19673.5 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 18969.2 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/6-31+G**
ABC
0.22681 0.15436 0.09669

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.079 -1.273 0.196
H2 -0.061 -1.552 1.254
H3 0.112 -2.161 -0.409
C4 -1.399 -0.563 -0.165
H5 -2.225 -0.959 0.437
H6 -1.660 -0.740 -1.220
C7 0.116 1.285 0.076
H8 0.494 2.297 0.156
C9 -1.171 0.916 0.058
H10 -1.991 1.624 0.121
S11 1.283 -0.044 -0.083

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 C9 H10 S11
C11.09411.09131.54222.18212.18842.56843.61662.45053.47231.8564
H21.09411.77912.18762.38833.05603.07704.04132.95913.88612.4227
H31.09131.77912.21342.76102.41233.48024.51053.36684.36282.4417
C41.54222.18762.21341.09601.10102.40173.44511.51302.28362.7338
H52.18212.38832.76101.09601.76473.26264.25152.18402.61303.6630
H62.18843.05602.41231.10101.76472.98863.96942.14812.73773.2309
C72.56843.07703.48022.40173.26262.98861.08371.33902.13461.7760
H83.61664.04134.51053.44514.25153.96941.08372.16572.57492.4823
C92.45052.95913.36681.51302.18402.14811.33902.16571.08522.6395
H103.47233.88614.36282.28362.61302.73772.13462.57491.08523.6806
S111.85642.42272.44172.73383.66303.23091.77602.48232.63953.6806

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 110.461 C1 C4 H6 110.663
C1 C4 C9 106.656 C1 S11 C7 89.968
H2 C1 H3 108.988 H2 C1 C4 111.011
H2 C1 S11 107.567 H3 C1 C4 113.270
H3 C1 S11 109.080 C4 C1 S11 106.738
C4 C9 C7 114.595 C4 C9 H10 122.164
H5 C4 H6 106.886 H5 C4 C9 112.698
H6 C4 C9 109.517 C7 C9 H10 123.078
H8 C7 C9 126.421 H8 C7 S11 118.436
C9 C7 S11 115.130
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.425     -0.110
2 H 0.187     0.091
3 H 0.176     0.098
4 C -0.317     0.119
5 H 0.153     0.008
6 H 0.160     0.018
7 C -0.196     -0.265
8 H 0.159     0.222
9 C -0.052     -0.138
10 H 0.135     0.098
11 S 0.019     -0.143


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.652 -0.446 0.165 1.719
CHELPG        
AIM        
ESP -1.631 -0.439 0.217 1.703


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.088 0.696 0.125
y 0.696 -34.035 -0.016
z 0.125 -0.016 -40.621
Traceless
 xyz
x -1.760 0.696 0.125
y 0.696 5.819 -0.016
z 0.125 -0.016 -4.060
Polar
3z2-r2-8.119
x2-y2-5.053
xy0.696
xz0.125
yz-0.016


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.557 0.056 -0.075
y 0.056 9.554 0.117
z -0.075 0.117 7.278


<r2> (average value of r2) Å2
<r2> 129.148
(<r2>)1/2 11.364