return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: HF/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/6-311+G(3df,2p)
 hartrees
Energy at 0K-552.535814
Energy at 298.15K-552.543010
Nuclear repulsion energy218.179855
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 HF/6-311+G(3df,2p)
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 3366 3059 8.04      
2 A 3329 3025 3.31      
3 A 3261 2963 15.62      
4 A 3208 2915 55.48      
5 A 3189 2898 8.32      
6 A 3144 2857 42.97      
7 A 1783 1620 12.57      
8 A 1619 1471 0.81      
9 A 1600 1453 2.65      
10 A 1470 1335 0.47      
11 A 1444 1312 2.98      
12 A 1398 1271 14.79      
13 A 1316 1196 2.66      
14 A 1245 1132 1.77      
15 A 1215 1104 0.47      
16 A 1108 1006 5.67      
17 A 1065 968 3.17      
18 A 1057 960 2.30      
19 A 971 882 2.65      
20 A 927 842 1.37      
21 A 853 775 21.82      
22 A 769 699 50.16      
23 A 746 678 11.53      
24 A 706 642 5.09      
25 A 544 494 0.40      
26 A 443 402 1.30      
27 A 173 157 1.16      

Unscaled Zero Point Vibrational Energy (zpe) 20974.0 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 19057.0 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 HF/6-311+G(3df,2p)
ABC
0.23020 0.15891 0.09903

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.049 -1.262 0.198
H2 -0.033 -1.534 1.244
H3 0.149 -2.141 -0.395
C4 -1.375 -0.580 -0.164
H5 -2.185 -0.976 0.437
H6 -1.631 -0.760 -1.205
C7 0.094 1.277 0.079
H8 0.446 2.285 0.167
C9 -1.164 0.898 0.053
H10 -1.986 1.585 0.121
S11 1.263 -0.029 -0.085

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 C9 H10 S11
C11.08101.07901.53472.16792.17322.54613.58172.43483.44401.8229
H21.08101.75712.16712.36503.02513.04633.99742.93473.84772.3902
H31.07901.75712.19422.73782.39403.45194.47213.34074.32522.4087
C41.53472.16712.19421.08341.08712.38053.41101.50802.26692.6966
H52.16792.36502.73781.08341.74663.22464.19872.16752.58773.6136
H62.17323.02512.39401.08711.74662.96253.93352.13312.71733.1885
C72.54613.04633.45192.38053.22462.96251.07121.31462.10301.7607
H83.58173.99744.47213.41104.19873.93351.07122.12892.53152.4669
C92.43482.93473.34071.50802.16752.13311.31462.12891.07322.6020
H103.44403.84774.32522.26692.58772.71732.10302.53151.07323.6337
S111.82292.39022.40872.69663.61363.18851.76072.46692.60203.6337

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 110.614 C1 C4 H6 110.816
C1 C4 C9 106.294 C1 S11 C7 90.533
H2 C1 H3 108.873 H2 C1 C4 110.691
H2 C1 S11 108.056 H3 C1 C4 113.018
H3 C1 S11 109.524 C4 C1 S11 106.544
C4 C9 C7 114.815 C4 C9 H10 121.951
H5 C4 H6 107.163 H5 C4 C9 112.497
H6 C4 C9 109.497 C7 C9 H10 123.134
H8 C7 C9 126.023 H8 C7 S11 119.159
C9 C7 S11 114.804
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.248      
2 H 0.143      
3 H 0.130      
4 C -0.015      
5 H 0.121      
6 H 0.137      
7 C 0.016      
8 H 0.134      
9 C -0.128      
10 H 0.126      
11 S -0.416      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.807 -0.380 0.199 1.857
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.156 0.569 0.129
y 0.569 -33.813 0.026
z 0.129 0.026 -40.609
Traceless
 xyz
x -1.945 0.569 0.129
y 0.569 6.070 0.026
z 0.129 0.026 -4.125
Polar
3z2-r2-8.249
x2-y2-5.343
xy0.569
xz0.129
yz0.026


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.165 0.143 -0.084
y 0.143 9.392 0.063
z -0.084 0.063 7.323


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