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

using model chemistry: LSDA/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at LSDA/cc-pVTZ
 hartrees
Energy at 0K-552.364882
Energy at 298.15K-552.371568
Nuclear repulsion energy217.525645
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 LSDA/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 A1 3117 3083 7.29      
2 A1 2952 2920 1.02      
3 A1 1688 1669 6.45      
4 A1 1405 1390 8.51      
5 A1 1238 1224 0.45      
6 A1 1088 1076 0.30      
7 A1 972 961 0.32      
8 A1 726 719 1.91      
9 A1 511 506 0.03      
10 A2 2984 2951 0.00      
11 A2 1099 1087 0.00      
12 A2 939 929 0.00      
13 A2 913 903 0.00      
14 A2 378 373 0.00      
15 B1 2985 2953 7.27      
16 B1 1078 1066 11.20      
17 B1 856 847 0.16      
18 B1 654 647 50.00      
19 B1 87 86 3.93      
20 B2 3095 3062 0.68      
21 B2 2953 2921 48.71      
22 B2 1401 1386 2.44      
23 B2 1318 1304 1.74      
24 B2 1195 1181 5.94      
25 B2 967 957 12.66      
26 B2 811 802 0.17      
27 B2 650 643 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 19029.2 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 18821.7 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 LSDA/cc-pVTZ
ABC
0.22371 0.16300 0.09777

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 1.234
C2 0.000 1.334 -0.000
C3 0.000 -1.334 -0.000
C4 0.000 0.662 -1.317
C5 0.000 -0.662 -1.317
H6 -0.888 1.975 0.135
H7 0.888 1.975 0.135
H8 0.888 -1.975 0.135
H9 -0.888 -1.975 0.135
H10 0.000 1.258 -2.234
H11 0.000 -1.258 -2.234

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
S11.81741.81742.63532.63532.42802.42802.42802.42803.68853.6885
C21.81742.66891.47852.39201.10271.10273.42873.42872.23503.4217
C31.81742.66892.39201.47853.42873.42871.10271.10273.42172.2350
C42.63531.47852.39201.32492.14872.14873.13843.13841.09302.1277
C52.63532.39201.47851.32493.13843.13842.14872.14872.12771.0930
H62.42801.10273.42872.14873.13841.77534.33003.94942.62904.1042
H72.42801.10273.42872.14873.13841.77533.94944.33002.62904.1042
H82.42803.42871.10273.13842.14874.33003.94941.77534.10422.6290
H92.42803.42871.10273.13842.14873.94944.33001.77534.10422.6290
H103.68852.23503.42171.09302.12772.62902.62904.10424.10422.5151
H113.68853.42172.23502.12771.09304.10424.10422.62902.62902.5151

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 105.720 S1 C2 H6 110.084
S1 C2 H7 110.084 S1 C3 C5 105.720
S1 C3 H8 110.084 S1 C3 H9 110.084
C2 S1 C3 94.491 C2 C4 C5 117.034
C2 C4 H10 119.976 C3 C5 C4 117.034
C3 C5 H11 119.976 C4 C2 H6 111.883
C4 C2 H7 111.883 C4 C5 H11 122.989
C5 C3 H8 111.883 C5 C3 H9 111.883
C5 C4 H10 122.989 H6 C2 H7 107.215
H8 C3 H9 107.215
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.078      
2 C -0.198      
3 C -0.198      
4 C -0.152      
5 C -0.152      
6 H 0.128      
7 H 0.128      
8 H 0.128      
9 H 0.128      
10 H 0.132      
11 H 0.132      


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 -1.762 1.762
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.716 0.000 0.000
y 0.000 -32.851 0.000
z 0.000 0.000 -39.262
Traceless
 xyz
x -3.659 0.000 0.000
y 0.000 6.638 0.000
z 0.000 0.000 -2.978
Polar
3z2-r2-5.957
x2-y2-6.865
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.282 0.000 0.000
y 0.000 11.221 0.000
z 0.000 0.000 9.976


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000