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

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-554.089537
Energy at 298.15K-554.096394
Nuclear repulsion energy213.901741
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 B1B95/6-31G
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 3299 3146 5.83      
2 A 3240 3090 3.77      
3 A 3204 3055 8.57      
4 A 3128 2983 29.92      
5 A 3104 2960 9.89      
6 A 3040 2899 34.85      
7 A 1690 1612 11.07      
8 A 1527 1456 2.41      
9 A 1514 1444 4.15      
10 A 1366 1303 1.88      
11 A 1350 1288 5.81      
12 A 1310 1249 17.00      
13 A 1231 1174 1.84      
14 A 1171 1117 0.49      
15 A 1153 1099 0.54      
16 A 1051 1002 4.71      
17 A 1027 979 2.74      
18 A 959 915 2.61      
19 A 938 895 4.43      
20 A 871 831 1.71      
21 A 785 748 21.38      
22 A 712 679 59.67      
23 A 680 648 15.29      
24 A 637 607 3.19      
25 A 497 474 0.41      
26 A 408 389 2.86      
27 A 140 134 1.46      

Unscaled Zero Point Vibrational Energy (zpe) 20014.7 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 19088.0 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 B1B95/6-31G
ABC
0.22410 0.15076 0.09475

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.100 -1.287 0.195
H2 -0.072 -1.567 1.249
H3 0.094 -2.161 -0.424
C4 -1.405 -0.562 -0.164
H5 -2.230 -0.949 0.444
H6 -1.671 -0.744 -1.215
C7 0.096 1.302 0.077
H8 0.472 2.311 0.163
C9 -1.180 0.914 0.051
H10 -2.009 1.608 0.118
S11 1.309 -0.044 -0.081

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 C9 H10 S11
C11.09081.08841.53472.17072.17872.59913.64302.45523.46831.8991
H21.09081.78262.18632.38473.04963.10354.06322.96873.88722.4482
H31.08841.78262.20702.76092.39743.49944.52623.36194.35002.4650
C41.53472.18632.20701.09491.09932.40563.44741.50842.27032.7643
H52.17072.38472.76091.09491.76213.25764.24322.17402.58723.6904
H62.17873.04962.39741.09931.76212.99603.97752.14272.72433.2640
C72.59913.10353.49942.40563.25762.99601.07991.33382.12731.8192
H83.64304.06324.52623.44744.24323.97751.07992.16622.57882.5112
C92.45522.96873.36191.50842.17402.14271.33382.16621.08362.6700
H103.46833.88724.35002.27032.58722.72432.12732.57881.08363.7119
S111.89912.44822.46502.76433.69043.26401.81922.51122.67003.7119

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 110.148 C1 C4 H6 110.522
C1 C4 C9 107.561 C1 S11 C7 88.668
H2 C1 H3 109.762 H2 C1 C4 111.639
H2 C1 S11 106.791 H3 C1 C4 113.475
H3 C1 S11 108.105 C4 C1 S11 106.744
C4 C9 C7 115.508 C4 C9 H10 121.437
H5 C4 H6 106.847 H5 C4 C9 112.274
H6 C4 C9 109.511 C7 C9 H10 122.953
H8 C7 C9 127.351 H8 C7 S11 117.772
C9 C7 S11 114.868
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.546      
2 H 0.207      
3 H 0.200      
4 C -0.338      
5 H 0.174      
6 H 0.183      
7 C -0.463      
8 H 0.190      
9 C -0.051      
10 H 0.165      
11 S 0.280      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.058 -0.349 0.241 2.101
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.540 0.620 0.153
y 0.620 -32.901 0.108
z 0.153 0.108 -39.679
Traceless
 xyz
x -2.250 0.620 0.153
y 0.620 6.208 0.108
z 0.153 0.108 -3.958
Polar
3z2-r2-7.916
x2-y2-5.639
xy0.620
xz0.153
yz0.108


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.017 0.219 -0.131
y 0.219 8.417 0.123
z -0.131 0.123 5.010


<r2> (average value of r2) Å2
<r2> 130.447
(<r2>)1/2 11.421