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

using model chemistry: B3PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/cc-pVTZ
 hartrees
Energy at 0K-554.188596
Energy at 298.15K-554.195487
Nuclear repulsion energy217.394041
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 B3PW91/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 3226 3102 5.40      
2 A 3194 3072 1.56      
3 A 3133 3013 8.98      
4 A 3075 2957 34.68      
5 A 3058 2941 9.43      
6 A 3000 2885 37.35      
7 A 1647 1584 14.73      
8 A 1482 1425 1.72      
9 A 1466 1410 2.89      
10 A 1341 1290 0.44      
11 A 1321 1271 3.91      
12 A 1278 1229 14.07      
13 A 1201 1155 2.36      
14 A 1144 1100 0.90      
15 A 1117 1074 0.79      
16 A 1021 982 5.57      
17 A 997 959 3.03      
18 A 931 895 1.04      
19 A 925 889 3.10      
20 A 857 825 1.98      
21 A 797 766 23.93      
22 A 701 674 17.03      
23 A 683 656 27.31      
24 A 658 633 16.61      
25 A 504 484 0.52      
26 A 412 396 2.28      
27 A 155 149 0.92      

Unscaled Zero Point Vibrational Energy (zpe) 19662.3 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 18907.3 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 B3PW91/cc-pVTZ
ABC
0.23023 0.15710 0.09832

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.072 -1.262 0.193
H2 -0.050 -1.543 1.247
H3 0.122 -2.146 -0.411
C4 -1.387 -0.562 -0.162
H5 -2.208 -0.959 0.440
H6 -1.652 -0.739 -1.213
C7 0.115 1.275 0.075
H8 0.490 2.285 0.152
C9 -1.163 0.908 0.058
H10 -1.981 1.614 0.119
S11 1.271 -0.041 -0.082

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 C9 H10 S11
C11.09081.08801.53152.17092.17852.54653.59212.43263.45271.8360
H21.09081.77242.17642.37683.04373.05584.01822.94273.86862.4014
H31.08801.77242.20222.74982.40253.45524.48223.34644.34072.4204
C41.53152.17642.20221.09251.09762.38403.42461.50272.27272.7094
H52.17092.37682.74981.09251.75743.24244.22892.17272.60223.6351
H62.17853.04372.40251.09761.75742.97193.94872.13622.72313.2102
C72.54653.05583.45522.38403.24242.97191.08081.32942.12351.7587
H83.59214.01824.48223.42464.22893.94871.08082.15382.56112.4651
C92.43262.94273.34641.50272.17272.13621.32942.15381.08232.6161
H103.45273.86864.34072.27272.60222.72312.12352.56111.08233.6544
S111.83602.40142.42042.70943.63513.21021.75872.46512.61613.6544

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 110.535 C1 C4 H6 110.829
C1 C4 C9 106.582 C1 S11 C7 90.185
H2 C1 H3 108.872 H2 C1 C4 111.072
H2 C1 S11 107.520 H3 C1 C4 113.341
H3 C1 S11 109.052 C4 C1 S11 106.793
C4 C9 C7 114.518 C4 C9 H10 122.243
H5 C4 H6 106.721 H5 C4 C9 112.736
H6 C4 C9 109.484 C7 C9 H10 123.077
H8 C7 C9 126.351 H8 C7 S11 118.531
C9 C7 S11 115.100
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.153 0.000    
2 H 0.108 0.000    
3 H 0.104 0.000    
4 C -0.129 0.000    
5 H 0.091 0.000    
6 H 0.094 0.000    
7 C -0.122 0.000    
8 H 0.119 0.000    
9 C -0.173 0.000    
10 H 0.123 0.000    
11 S -0.061 0.000    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.557 -0.405 0.165 1.617
CHELPG 0.000 0.000 0.000 0.000
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.284 0.607 0.065
y 0.607 -33.496 0.040
z 0.065 0.040 -39.578
Traceless
 xyz
x -1.747 0.607 0.065
y 0.607 5.435 0.040
z 0.065 0.040 -3.688
Polar
3z2-r2-7.376
x2-y2-4.788
xy0.607
xz0.065
yz0.040


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> 126.997
(<r2>)1/2 11.269