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

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-591.129854
Energy at 298.15K-591.136043
HF Energy-590.327911
Nuclear repulsion energy269.656271
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 MP3/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3316 3113 1.16      
2 A' 3305 3102 1.14      
3 A' 3262 3062 4.52      
4 A' 3187 2992 14.98      
5 A' 3099 2909 25.95      
6 A' 1670 1568 1.63      
7 A' 1560 1464 11.01      
8 A' 1525 1432 8.90      
9 A' 1479 1389 2.57      
10 A' 1459 1369 3.67      
11 A' 1302 1222 5.00      
12 A' 1226 1151 1.84      
13 A' 1148 1077 3.59      
14 A' 1045 980 8.14      
15 A' 972 912 2.64      
16 A' 897 842 13.60      
17 A' 865 812 13.52      
18 A' 682 640 0.64      
19 A' 557 523 0.78      
20 A' 324 304 0.80      
21 A" 3165 2971 17.96      
22 A" 1543 1448 6.37      
23 A" 1090 1023 1.96      
24 A" 867 814 1.30      
25 A" 766 719 81.04      
26 A" 692 650 3.47      
27 A" 574 539 5.50      
28 A" 453 425 0.06      
29 A" 233 218 2.67      
30 A" 111 104 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 21185.8 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 19885.0 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 MP3/6-31G*
ABC
0.23189 0.08143 0.06095

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.221 0.785 0.000
C2 -1.258 0.285 0.000
C3 0.000 0.983 0.000
C4 1.051 0.112 0.000
H5 -1.894 -1.821 0.000
C6 -1.116 -1.070 0.000
S7 0.546 -1.543 0.000
H8 1.173 2.787 0.000
H9 -0.356 2.917 0.884
H10 -0.356 2.917 -0.884
C11 0.124 2.482 0.000
H12 2.106 0.353 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 C4 H5 C6 S7 H8 H9 H10 C11 H12
H11.08512.22963.34072.62682.15943.61643.94082.96722.96722.89414.3483
C21.08511.43852.31562.20031.36272.56853.48902.91932.91932.59543.3645
C32.22961.43851.36553.38402.33712.58462.15242.15592.15591.50422.1982
C43.34072.31561.36553.52302.46881.73002.67873.26053.26052.54561.0820
H52.62682.20033.38403.52301.08132.45645.53635.05965.05964.75294.5529
C62.15941.36272.33712.46881.08131.72854.48614.15434.15433.76263.5225
S73.61642.56852.58461.73002.45641.72854.37574.63554.63554.04742.4551
H83.94083.48902.15242.67875.53634.48614.37571.77071.77071.09332.6070
H92.96722.91932.15593.26055.05964.15434.63551.77071.76721.09533.6626
H102.96722.91932.15593.26055.05964.15434.63551.77071.76721.09533.6626
C112.89412.59541.50422.54564.75293.76264.04741.09331.09531.09532.9091
H124.34833.36452.19821.08204.55293.52252.45512.60703.66263.66262.9091

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 123.523 H1 C2 C6 123.416
C2 C3 C4 111.316 C2 C3 C11 123.743
C2 C6 H5 128.020 C2 C6 S7 111.841
C3 C2 C6 113.061 C3 C4 S7 112.689
C3 C4 H12 127.449 C3 C11 H8 110.934
C3 C11 H9 111.089 C3 C11 H10 111.089
C4 C3 C11 124.941 C4 S7 C6 91.094
H5 C6 S7 120.139 S7 C4 H12 119.862
H8 C11 H9 108.015 H8 C11 H10 108.015
H9 C11 H10 107.553
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability