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All results from a given calculation for C5H6S (Thiophene, 3-methyl-)

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-591.236754
Energy at 298.15K-591.242801
HF Energy-590.391870
Nuclear repulsion energy270.083601
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 MP2/6-311G**
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' 3278 3115 0.86      
2 A' 3267 3105 0.71      
3 A' 3233 3072 3.68      
4 A' 3168 3010 14.48      
5 A' 3071 2918 30.31      
6 A' 1578 1499 2.18      
7 A' 1518 1443 9.11      
8 A' 1439 1367 6.03      
9 A' 1434 1363 4.64      
10 A' 1421 1350 0.27      
11 A' 1265 1202 4.20      
12 A' 1199 1139 2.47      
13 A' 1104 1049 5.21      
14 A' 1018 968 8.10      
15 A' 957 909 4.04      
16 A' 906 861 14.82      
17 A' 873 829 8.43      
18 A' 677 643 0.14      
19 A' 552 524 0.16      
20 A' 315 299 0.74      
21 A" 3149 2992 16.36      
22 A" 1499 1425 6.76      
23 A" 1061 1008 0.48      
24 A" 824 783 0.00      
25 A" 724 688 94.87      
26 A" 638 606 0.59      
27 A" 524 498 4.42      
28 A" 443 420 0.62      
29 A" 225 214 4.30      
30 A" 88 84 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 20723.4 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 19691.4 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 MP2/6-311G**
ABC
0.23299 0.08160 0.06112

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.215 0.808 0.000
C2 -1.253 0.305 0.000
C3 0.000 0.984 0.000
C4 1.053 0.089 0.000
H5 -1.902 -1.815 0.000
C6 -1.121 -1.067 0.000
S7 0.526 -1.542 0.000
H8 1.212 2.763 0.000
H9 -0.313 2.923 0.885
H10 -0.313 2.923 -0.885
C11 0.156 2.480 0.000
H12 2.111 0.318 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 C4 H5 C6 S7 H8 H9 H10 C11 H12
H11.08522.22163.34552.64182.17113.61023.94482.97782.97782.90084.3531
C21.08521.42512.31582.21751.37882.56463.48072.91812.91812.59143.3638
C32.22161.42511.38193.38452.33762.58042.15222.15352.15351.50412.2136
C43.34552.31581.38193.51532.46181.71392.67873.26773.26772.55401.0825
H52.64182.21753.38453.51531.08182.44365.53675.07465.07464.76304.5446
C62.17111.37882.33762.46181.08181.71384.48454.16564.16563.77023.5158
S73.61022.56462.58041.71392.44361.71384.35924.62814.62814.03932.4434
H83.94483.48072.15222.67875.53674.48454.35921.77041.77041.09322.6053
H92.97782.91812.15353.26775.07464.16564.62811.77041.76911.09463.6667
H102.97782.91812.15353.26775.07464.16564.62811.77041.76911.09463.6667
C112.90082.59141.50412.55404.76303.77024.03931.09321.09461.09462.9153
H124.35313.36382.21361.08254.54463.51582.44342.60533.66673.66672.9153

picture of Thiophene, 3-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C3 123.938 H1 C2 C6 123.111
C2 C3 C4 111.168 C2 C3 C11 124.400
C2 C6 H5 128.234 C2 C6 S7 111.588
C3 C2 C6 112.950 C3 C4 S7 112.479
C3 C4 H12 127.427 C3 C11 H8 110.930
C3 C11 H9 110.943 C3 C11 H10 110.943
C4 C3 C11 124.432 C4 S7 C6 91.815
H5 C6 S7 120.178 S7 C4 H12 120.094
H8 C11 H9 108.040 H8 C11 H10 108.040
H9 C11 H10 107.815
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability