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

using model chemistry: B3LYP/aug-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 B3LYP/aug-cc-pVDZ
 hartrees
Energy at 0K-554.242826
Energy at 298.15K-554.249573
Nuclear repulsion energy214.429860
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/aug-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 3192 3098 16.07      
2 A1 3035 2946 0.41      
3 A1 1704 1654 9.36      
4 A1 1467 1424 6.07      
5 A1 1272 1235 0.44      
6 A1 1130 1096 0.54      
7 A1 958 930 0.30      
8 A1 701 680 2.71      
9 A1 509 494 0.02      
10 A2 3072 2981 0.00      
11 A2 1132 1098 0.00      
12 A2 959 930 0.00      
13 A2 934 907 0.00      
14 A2 384 373 0.00      
15 B1 3074 2983 14.08      
16 B1 1116 1083 11.85      
17 B1 890 864 0.88      
18 B1 669 649 47.08      
19 B1 100 97 3.99      
20 B2 3170 3076 3.64      
21 B2 3036 2946 71.10      
22 B2 1461 1418 0.10      
23 B2 1356 1316 2.67      
24 B2 1232 1195 5.45      
25 B2 970 941 9.71      
26 B2 817 793 1.00      
27 B2 627 608 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 19483.2 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 18906.5 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 B3LYP/aug-cc-pVDZ
ABC
0.21810 0.15727 0.09465

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 1.260
C2 0.000 1.358 -0.006
C3 0.000 -1.358 -0.006
C4 0.000 0.667 -1.341
C5 0.000 -0.667 -1.341
H6 -0.889 1.990 0.129
H7 0.889 1.990 0.129
H8 0.889 -1.990 0.129
H9 -0.889 -1.990 0.129
H10 0.000 1.262 -2.257
H11 0.000 -1.262 -2.257

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
S11.85601.85602.68472.68472.45582.45582.45582.45583.73583.7358
C21.85602.71561.50302.42581.09961.09963.46683.46682.25293.4540
C31.85602.71562.42581.50303.46683.46681.09961.09963.45402.2529
C42.68471.50302.42581.33502.16812.16813.16463.16461.09192.1358
C52.68472.42581.50301.33503.16463.16462.16812.16812.13581.0919
H62.45581.09963.46682.16813.16461.77894.35993.98052.64804.1303
H72.45581.09963.46682.16813.16461.77893.98054.35992.64804.1303
H82.45583.46681.09963.16462.16814.35993.98051.77894.13032.6480
H92.45583.46681.09963.16462.16813.98054.35991.77894.13032.6480
H103.73582.25293.45401.09192.13582.64802.64804.13034.13032.5241
H113.73583.45402.25292.13581.09194.13034.13032.64802.64802.5241

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 105.639 S1 C2 H6 109.715
S1 C2 H7 109.715 S1 C3 C5 105.639
S1 C3 H8 109.715 S1 C3 H9 109.715
C2 S1 C3 94.040 C2 C4 C5 117.341
C2 C4 H10 119.666 C3 C5 C4 117.341
C3 C5 H11 119.666 C4 C2 H6 111.891
C4 C2 H7 111.891 C4 C5 H11 122.993
C5 C3 H8 111.891 C5 C3 H9 111.891
C5 C4 H10 122.993 H6 C2 H7 107.969
H8 C3 H9 107.969
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.417      
2 C 0.284      
3 C 0.284      
4 C 0.516      
5 C 0.516      
6 H -0.211      
7 H -0.211      
8 H -0.211      
9 H -0.211      
10 H -0.586      
11 H -0.586      


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 -1.820 1.820
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.272 0.000 0.000
y 0.000 -33.320 0.000
z 0.000 0.000 -39.968
Traceless
 xyz
x -3.628 0.000 0.000
y 0.000 6.799 0.000
z 0.000 0.000 -3.171
Polar
3z2-r2-6.342
x2-y2-6.952
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.617 0.000 0.000
y 0.000 11.622 0.000
z 0.000 0.000 10.656


<r2> (average value of r2) Å2
<r2> 130.518
(<r2>)1/2 11.424