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

using model chemistry: B1B95/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-554.181244
Energy at 298.15K-554.188117
Nuclear repulsion energy217.141615
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/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 A 3247 3121 5.66      
2 A 3218 3093 0.92      
3 A 3157 3034 8.54      
4 A 3099 2979 26.88      
5 A 3076 2956 15.77      
6 A 3019 2902 37.52      
7 A 1671 1606 14.17      
8 A 1454 1398 1.43      
9 A 1435 1379 2.47      
10 A 1336 1284 0.61      
11 A 1308 1258 3.43      
12 A 1259 1210 14.05      
13 A 1189 1143 2.72      
14 A 1132 1088 0.82      
15 A 1100 1057 0.99      
16 A 1026 987 4.12      
17 A 988 949 2.80      
18 A 938 902 3.09      
19 A 918 882 1.05      
20 A 851 818 2.04      
21 A 797 766 24.44      
22 A 696 669 16.02      
23 A 684 657 19.10      
24 A 653 628 17.53      
25 A 495 475 0.57      
26 A 406 391 2.57      
27 A 167 161 0.89      

Unscaled Zero Point Vibrational Energy (zpe) 19659.5 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 18896.7 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 B1B95/cc-pVDZ
ABC
0.23033 0.15646 0.09845

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.072 -1.253 0.212
H2 -0.059 -1.498 1.284
H3 0.133 -2.165 -0.362
C4 -1.381 -0.567 -0.177
H5 -2.221 -0.981 0.398
H6 -1.610 -0.737 -1.245
C7 0.111 1.274 0.082
H8 0.484 2.294 0.166
C9 -1.171 0.901 0.061
H10 -1.998 1.608 0.128
S11 1.272 -0.041 -0.090

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 C9 H10 S11
C11.09951.09621.52762.17412.18052.53753.59112.42323.45021.8356
H21.09951.78602.17852.39273.06273.02593.99002.91303.83932.4044
H31.09621.78602.20822.74222.42033.46754.50363.35834.36072.4258
C41.52762.17852.20821.09971.10542.38403.43281.50222.28222.7061
H52.17412.39272.74221.09971.77053.25994.25462.18162.61343.6507
H62.18053.06272.42031.10541.77052.96103.94532.14022.74533.1826
C72.53753.02593.46752.38403.25992.96101.08931.33572.13541.7625
H83.59113.99004.50363.43284.25463.94531.08932.16642.57522.4772
C92.42322.91303.35831.50222.18162.14021.33572.16641.08992.6230
H103.45023.83934.36072.28222.61342.74532.13542.57521.08993.6686
S111.83562.40442.42582.70613.65073.18261.76252.47722.62303.6686

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 110.630 C1 C4 H6 110.799
C1 C4 C9 106.214 C1 S11 C7 89.673
H2 C1 H3 108.857 H2 C1 C4 110.994
H2 C1 S11 107.336 H3 C1 C4 113.600
H3 C1 S11 109.048 C4 C1 S11 106.791
C4 C9 C7 114.167 C4 C9 H10 122.597
H5 C4 H6 106.821 H5 C4 C9 113.043
H6 C4 C9 109.381 C7 C9 H10 123.056
H8 C7 C9 126.293 H8 C7 S11 118.690
C9 C7 S11 114.996
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.128      
2 H 0.073      
3 H 0.059      
4 C 0.006      
5 H 0.038      
6 H 0.049      
7 C -0.083      
8 H 0.029      
9 C -0.040      
10 H -0.003      
11 S -0.001      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.455 -0.371 0.173 1.511
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.918 0.559 0.028
y 0.559 -33.444 0.075
z 0.028 0.075 -39.398
Traceless
 xyz
x -1.497 0.559 0.028
y 0.559 5.214 0.075
z 0.028 0.075 -3.717
Polar
3z2-r2-7.433
x2-y2-4.474
xy0.559
xz0.028
yz0.075


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.321 0.113 -0.122
y 0.113 8.946 0.108
z -0.122 0.108 5.322


<r2> (average value of r2) Å2
<r2> 126.965
(<r2>)1/2 11.268