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All results from a given calculation for C4H6S (Thiophene, 2,5-dihydro-)

using model chemistry: wB97X-D/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-554.146356
Energy at 298.15K-554.153049
HF Energy-554.146356
Nuclear repulsion energy215.716918
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 wB97X-D/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3231 3078 16.07      
2 A1 3080 2934 0.25      
3 A1 1743 1660 10.37      
4 A1 1491 1420 7.38      
5 A1 1306 1244 0.26      
6 A1 1148 1094 0.20      
7 A1 971 925 0.14      
8 A1 733 698 3.06      
9 A1 522 498 0.07      
10 A2 3125 2977 0.00      
11 A2 1158 1103 0.00      
12 A2 987 940 0.00      
13 A2 950 905 0.00      
14 A2 373 356 0.00      
15 B1 3126 2978 11.67      
16 B1 1142 1088 13.80      
17 B1 906 863 2.32      
18 B1 689 656 56.26      
19 B1 37 35 5.93      
20 B2 3207 3055 3.62      
21 B2 3080 2934 64.73      
22 B2 1486 1416 0.58      
23 B2 1370 1305 2.43      
24 B2 1270 1210 7.98      
25 B2 982 936 9.32      
26 B2 833 794 0.64      
27 B2 655 624 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 19800.0 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 18861.5 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 wB97X-D/cc-pVDZ
ABC
0.22112 0.15899 0.09581

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 1.248
C2 0.000 1.348 0.003
C3 0.000 -1.348 0.003
C4 0.000 0.665 -1.337
C5 0.000 -0.665 -1.337
H6 -0.886 1.977 0.132
H7 0.886 1.977 0.132
H8 0.886 -1.977 0.132
H9 -0.886 -1.977 0.132
H10 0.000 1.264 -2.244
H11 0.000 -1.264 -2.244

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
S11.83521.83522.66972.66972.43772.43772.43772.43773.71403.7140
C21.83522.69581.50382.41841.09451.09453.44383.44382.24853.4451
C31.83522.69582.41841.50383.44383.44381.09451.09453.44512.2485
C42.66971.50382.41841.33062.15972.15973.15073.15071.08652.1315
C52.66972.41841.50381.33063.15073.15072.15972.15972.13151.0865
H62.43771.09453.44382.15973.15071.77204.33383.95502.63434.1152
H72.43771.09453.44382.15973.15071.77203.95504.33382.63434.1152
H82.43773.44381.09453.15072.15974.33383.95501.77204.11522.6343
H92.43773.44381.09453.15072.15973.95504.33381.77204.11522.6343
H103.71402.24853.44511.08652.13152.63432.63434.11524.11522.5273
H113.71403.44512.24852.13151.08654.11524.11522.63432.63432.5273

picture of Thiophene, 2,5-dihydro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C4 105.746 S1 C2 H6 110.032
S1 C2 H7 110.032 S1 C3 C5 105.746
S1 C3 H8 110.032 S1 C3 H9 110.032
C2 S1 C3 94.520 C2 C4 C5 116.994
C2 C4 H10 119.593 C3 C5 C4 116.994
C3 C5 H11 119.593 C4 C2 H6 111.472
C4 C2 H7 111.472 C4 C5 H11 123.414
C5 C3 H8 111.472 C5 C3 H9 111.472
C5 C4 H10 123.414 H6 C2 H7 108.088
H8 C3 H9 108.088
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.024      
2 C -0.498      
3 C -0.498      
4 C -0.040      
5 C -0.040      
6 H 0.193      
7 H 0.193      
8 H 0.193      
9 H 0.193      
10 H 0.163      
11 H 0.163      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.982 1.982
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.076 0.000 0.000
y 0.000 -32.412 0.000
z 0.000 0.000 -39.565
Traceless
 xyz
x -4.088 0.000 0.000
y 0.000 7.408 0.000
z 0.000 0.000 -3.320
Polar
3z2-r2-6.641
x2-y2-7.664
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.980 0.000 0.000
y 0.000 10.669 0.000
z 0.000 0.000 9.317


<r2> (average value of r2) Å2
<r2> 128.913
(<r2>)1/2 11.354