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All results from a given calculation for C4H4S (Thiophene)

using model chemistry: MP2=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2=FULL/6-31G**
 hartrees
Energy at 0K-551.988645
Energy at 298.15K-551.993027
HF Energy-551.295955
Nuclear repulsion energy202.892483
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=FULL/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 A1 3344 3124 2.13      
2 A1 3310 3093 2.72      
3 A1 1486 1389 10.49      
4 A1 1436 1341 1.76      
5 A1 1132 1058 5.46      
6 A1 1094 1022 1.88      
7 A1 887 828 24.22      
8 A1 630 588 0.03      
9 A2 866 809 0.00      
10 A2 673 629 0.00      
11 A2 549 513 0.00      
12 B1 856 800 0.61      
13 B1 732 684 116.18      
14 B1 457 427 1.56      
15 B2 3341 3122 0.06      
16 B2 3297 3081 3.85      
17 B2 1571 1468 0.02      
18 B2 1314 1228 10.83      
19 B2 1134 1059 3.77      
20 B2 912 852 0.41      
21 B2 780 729 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 14899.4 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 13922.0 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 MP2=FULL/6-31G**
ABC
0.27011 0.18023 0.10810

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 1.190
C2 0.000 1.233 -0.001
C3 0.000 -1.233 -0.001
C4 0.000 0.709 -1.272
C5 0.000 -0.709 -1.272
H6 0.000 2.269 0.290
H7 0.000 -2.269 0.290
H8 0.000 1.319 -2.162
H9 0.000 -1.319 -2.162

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9
S11.71401.71402.56202.56202.44092.44093.60213.6021
C21.71402.46531.37472.32051.07663.51382.16253.3439
C31.71402.46532.32051.37473.51381.07663.34392.1625
C42.56201.37472.32051.41772.20793.36281.07912.2148
C52.56202.32051.37471.41773.36282.20792.21481.0791
H62.44091.07663.51382.20793.36284.53802.62964.3462
H72.44093.51381.07663.36282.20794.53804.34622.6296
H83.60212.16253.34391.07912.21482.62964.34622.6387
H93.60213.34392.16252.21481.07914.34622.62962.6387

picture of Thiophene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C4 111.619 S1 C2 H6 120.283
S1 C3 C5 111.619 S1 C3 H7 120.283
C2 S1 C3 91.967 C2 C4 C5 112.397
C2 C4 H8 123.149 C3 C5 C4 112.397
C3 C5 H9 123.149 C4 C2 H6 128.098
C4 C5 H9 124.454 C5 C3 H7 128.098
C5 C4 H8 124.454
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability