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

using model chemistry: mPW1PW91/aug-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 mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-554.212506
Energy at 298.15K-554.219406
Nuclear repulsion energy216.706663
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 mPW1PW91/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3256 3120 4.91      
2 A 3225 3090 1.31      
3 A 3166 3034 8.43      
4 A 3106 2976 29.03      
5 A 3085 2956 13.93      
6 A 3029 2903 39.32      
7 A 1663 1593 17.93      
8 A 1473 1412 1.79      
9 A 1454 1393 3.48      
10 A 1341 1285 0.61      
11 A 1319 1264 3.70      
12 A 1269 1216 14.31      
13 A 1197 1147 2.72      
14 A 1140 1093 1.14      
15 A 1110 1064 0.71      
16 A 1028 985 4.96      
17 A 997 955 3.40      
18 A 937 898 3.41      
19 A 917 878 0.58      
20 A 858 822 1.88      
21 A 800 766 25.96      
22 A 702 673 15.53      
23 A 684 656 26.91      
24 A 658 630 21.31      
25 A 503 482 0.45      
26 A 410 393 1.93      
27 A 161 154 0.94      

Unscaled Zero Point Vibrational Energy (zpe) 19742.5 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 18919.3 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 mPW1PW91/aug-cc-pVDZ
ABC
0.22889 0.15610 0.09785

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.074 -1.263 0.201
H2 -0.056 -1.530 1.265
H3 0.122 -2.158 -0.397
C4 -1.387 -0.565 -0.168
H5 -2.217 -0.966 0.428
H6 -1.639 -0.740 -1.228
C7 0.114 1.280 0.079
H8 0.492 2.296 0.159
C9 -1.170 0.907 0.057
H10 -1.993 1.616 0.123
S11 1.274 -0.042 -0.085

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 C9 H10 S11
C11.09681.09411.53232.17572.18252.55233.60422.43503.46081.8414
H21.09681.78542.18102.38513.05623.05474.02072.93903.86692.4101
H31.09411.78542.20592.75202.40793.47004.50393.35654.35712.4292
C41.53232.18102.20591.09791.10292.39093.43881.50492.28212.7137
H52.17572.38512.75201.09791.76843.25544.24892.17762.60903.6481
H62.18253.05622.40791.10291.76842.97623.96052.14122.73903.2060
C72.55233.05473.47002.39093.25542.97621.08781.33672.13441.7665
H83.60424.02074.50393.43884.24893.96051.08782.16842.57712.4780
C92.43502.93903.35651.50492.17762.14121.33672.16841.08872.6257
H103.46083.86694.35712.28212.60902.73902.13442.57711.08873.6702
S111.84142.41012.42922.71373.64813.20601.76652.47802.62573.6702

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 110.532 C1 C4 H6 110.774
C1 C4 C9 106.588 C1 S11 C7 90.029
H2 C1 H3 109.155 H2 C1 C4 111.020
H2 C1 S11 107.506 H3 C1 C4 113.200
H3 C1 S11 109.024 C4 C1 S11 106.741
C4 C9 C7 114.444 C4 C9 H10 122.446
H5 C4 H6 106.937 H5 C4 C9 112.634
H6 C4 C9 109.416 C7 C9 H10 122.963
H8 C7 C9 126.544 H8 C7 S11 118.550
C9 C7 S11 114.885
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.150      
2 H -0.152      
3 H -0.106      
4 C 0.406      
5 H -0.133      
6 H -0.158      
7 C 0.023      
8 H -0.451      
9 C 0.545      
10 H -0.387      
11 S 0.261      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.634 -0.422 0.175 1.696
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.621 0.648 0.090
y 0.648 -33.650 0.001
z 0.090 0.001 -40.114
Traceless
 xyz
x -1.739 0.648 0.090
y 0.648 5.717 0.001
z 0.090 0.001 -3.978
Polar
3z2-r2-7.957
x2-y2-4.971
xy0.648
xz0.090
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.875 0.019 -0.101
y 0.019 10.140 0.110
z -0.101 0.110 7.687


<r2> (average value of r2) Å2
<r2> 127.792
(<r2>)1/2 11.305