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

using model chemistry: B1B95/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-311G*
 hartrees
Energy at 0K-554.208621
Energy at 298.15K-554.215520
Nuclear repulsion energy217.798553
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 B1B95/6-311G*
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 3237 3103 10.51      
2 A 3207 3074 2.81      
3 A 3154 3023 13.47      
4 A 3094 2966 41.22      
5 A 3075 2948 14.83      
6 A 3015 2890 43.99      
7 A 1662 1594 13.94      
8 A 1496 1434 1.82      
9 A 1478 1417 3.51      
10 A 1351 1295 0.71      
11 A 1335 1280 4.58      
12 A 1289 1236 19.66      
13 A 1212 1161 2.75      
14 A 1159 1111 0.39      
15 A 1123 1076 1.50      
16 A 1029 986 6.36      
17 A 1007 966 4.72      
18 A 937 898 3.26      
19 A 915 877 0.99      
20 A 867 832 2.46      
21 A 799 766 27.05      
22 A 695 666 14.45      
23 A 681 653 30.44      
24 A 652 625 24.82      
25 A 496 476 0.85      
26 A 409 392 2.67      
27 A 178 171 1.12      

Unscaled Zero Point Vibrational Energy (zpe) 19775.5 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 18956.8 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 B1B95/6-311G*
ABC
0.23141 0.15733 0.09915

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.070 -1.249 0.224
H2 -0.067 -1.467 1.293
H3 0.137 -2.164 -0.327
C4 -1.373 -0.570 -0.187
H5 -2.217 -0.988 0.368
H6 -1.578 -0.736 -1.253
C7 0.105 1.271 0.086
H8 0.477 2.282 0.178
C9 -1.171 0.897 0.063
H10 -1.995 1.595 0.133
S11 1.268 -0.038 -0.094

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 C9 H10 S11
C11.09101.08801.52592.16772.17242.52923.57322.41673.43571.8319
H21.09101.77512.16782.38863.04932.99713.94932.88393.80002.3977
H31.08801.77512.19982.72122.41613.45954.48753.35094.34612.4191
C41.52592.16782.19981.09241.09802.37673.41941.50192.27592.6962
H52.16772.38862.72121.09241.76043.25114.24062.17672.60323.6414
H62.17243.04932.41611.09801.76042.94093.92112.13592.74393.1510
C72.52922.99713.45952.37673.25112.94091.08161.32942.12531.7608
H83.57323.94934.48753.41944.24063.92111.08162.15562.56582.4670
C92.41672.88393.35091.50192.17672.13591.32942.15561.08292.6168
H103.43573.80004.34612.27592.60322.74392.12532.56581.08293.6566
S111.83192.39772.41912.69623.64143.15101.76082.46702.61683.6566

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 110.674 C1 C4 H6 110.715
C1 C4 C9 105.909 C1 S11 C7 89.473
H2 C1 H3 109.103 H2 C1 C4 110.770
H2 C1 S11 107.515 H3 C1 C4 113.555
H3 C1 S11 109.219 C4 C1 S11 106.472
C4 C9 C7 114.025 C4 C9 H10 122.568
H5 C4 H6 106.964 H5 C4 C9 113.129
H6 C4 C9 109.494 C7 C9 H10 123.210
H8 C7 C9 126.478 H8 C7 S11 118.478
C9 C7 S11 115.025
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.603      
2 H 0.260      
3 H 0.256      
4 C -0.447      
5 H 0.233      
6 H 0.237      
7 C -0.348      
8 H 0.240      
9 C -0.189      
10 H 0.209      
11 S 0.153      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.638 -0.357 0.234 1.693
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.454 0.521 0.053
y 0.521 -33.407 0.086
z 0.053 0.086 -40.144
Traceless
 xyz
x -1.679 0.521 0.053
y 0.521 5.892 0.086
z 0.053 0.086 -4.213
Polar
3z2-r2-8.427
x2-y2-5.047
xy0.521
xz0.053
yz0.086


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.750 0.131 -0.180
y 0.131 8.944 0.100
z -0.180 0.100 5.609


<r2> (average value of r2) Å2
<r2> 126.482
(<r2>)1/2 11.246