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

using model chemistry: LSDA/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at LSDA/6-31+G**
 hartrees
Energy at 0K-552.283576
Energy at 298.15K-552.290395
Nuclear repulsion energy217.820700
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/6-31+G**
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 3173 3126 1.66      
2 A 3147 3100 0.52      
3 A 3084 3038 4.24      
4 A 3028 2983 14.60      
5 A 2994 2949 16.85      
6 A 2926 2882 34.02      
7 A 1615 1591 19.75      
8 A 1416 1394 4.32      
9 A 1398 1377 7.94      
10 A 1297 1278 1.22      
11 A 1273 1254 2.78      
12 A 1225 1207 18.09      
13 A 1158 1141 4.28      
14 A 1102 1085 1.21      
15 A 1071 1055 2.79      
16 A 1011 995 5.59      
17 A 970 955 3.87      
18 A 930 916 3.91      
19 A 872 858 0.98      
20 A 843 830 2.20      
21 A 793 781 30.11      
22 A 681 671 4.69      
23 A 668 658 21.53      
24 A 633 624 47.94      
25 A 490 483 0.86      
26 A 408 402 3.15      
27 A 191 188 1.10      

Unscaled Zero Point Vibrational Energy (zpe) 19197.9 cm-1
Scaled (by 0.985) Zero Point Vibrational Energy (zpe) 18909.9 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/6-31+G**
ABC
0.23169 0.15768 0.09951

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.079 -1.244 0.228
H2 -0.082 -1.453 1.313
H3 0.125 -2.179 -0.317
C4 -1.369 -0.561 -0.192
H5 -2.232 -0.990 0.347
H6 -1.559 -0.715 -1.277
C7 0.120 1.268 0.085
H8 0.502 2.289 0.169
C9 -1.169 0.898 0.070
H10 -1.996 1.611 0.136
S11 1.264 -0.045 -0.095

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 C9 H10 S11
C11.10511.10061.51852.17122.17522.52383.58102.40833.44021.8293
H21.10511.79572.17152.40243.07102.99143.95592.87243.79942.4030
H31.10061.79572.20562.72212.42913.46994.50973.36004.36682.4286
C41.51852.17152.20561.10431.11212.37463.42861.49562.28482.6854
H52.17122.40242.72211.10431.77913.27124.27372.18442.62083.6491
H62.17523.07102.42911.11211.77912.93303.91912.13682.75653.1329
C72.52382.99143.46992.37463.27122.93301.09361.34132.14431.7515
H83.58103.95594.50973.42864.27373.91911.09362.17722.58912.4697
C92.40832.87243.36001.49562.18442.13681.34132.17721.09412.6155
H103.44023.79944.36682.28482.62082.75652.14432.58911.09413.6647
S111.82932.40302.42862.68543.64913.13291.75152.46972.61553.6647

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 110.767 C1 C4 H6 110.616
C1 C4 C9 106.072 C1 S11 C7 89.601
H2 C1 H3 109.000 H2 C1 C4 110.735
H2 C1 S11 107.365 H3 C1 C4 113.777
H3 C1 S11 109.440 C4 C1 S11 106.302
C4 C9 C7 113.546 C4 C9 H10 123.077
H5 C4 H6 106.786 H5 C4 C9 113.465
H6 C4 C9 109.170 C7 C9 H10 123.072
H8 C7 C9 126.496 H8 C7 S11 118.639
C9 C7 S11 114.841
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.551      
2 H 0.232      
3 H 0.217      
4 C -0.430      
5 H 0.193      
6 H 0.204      
7 C -0.248      
8 H 0.191      
9 C -0.055      
10 H 0.165      
11 S 0.083      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.534 -0.488 0.167 1.618
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.741 0.726 0.176
y 0.726 -33.843 -0.058
z 0.176 -0.058 -40.571
Traceless
 xyz
x -1.535 0.726 0.176
y 0.726 5.813 -0.058
z 0.176 -0.058 -4.279
Polar
3z2-r2-8.557
x2-y2-4.899
xy0.726
xz0.176
yz-0.058


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.765 -0.041 -0.086
y -0.041 9.800 0.166
z -0.086 0.166 7.534


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