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All results from a given calculation for C5H10S (Thiophene, tetrahydro-2-methyl-)

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-590.170063
Energy at 298.15K-590.181909
HF Energy-589.655407
Nuclear repulsion energy304.863467
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 MP2/3-21G
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 3207 3061 9.81      
2 A 3171 3026 27.44      
3 A 3153 3010 25.72      
4 A 3149 3006 16.85      
5 A 3144 3001 6.77      
6 A 3137 2994 10.41      
7 A 3127 2985 2.84      
8 A 3095 2955 15.72      
9 A 3084 2944 19.04      
10 A 3078 2938 14.90      
11 A 1598 1525 8.01      
12 A 1590 1518 4.77      
13 A 1582 1510 0.34      
14 A 1575 1503 7.67      
15 A 1568 1496 2.85      
16 A 1495 1427 5.67      
17 A 1426 1361 1.46      
18 A 1417 1353 0.80      
19 A 1386 1323 0.74      
20 A 1347 1286 13.92      
21 A 1339 1279 17.87      
22 A 1282 1223 4.46      
23 A 1240 1184 7.59      
24 A 1180 1127 0.43      
25 A 1131 1079 0.57      
26 A 1120 1069 1.21      
27 A 1066 1017 5.59      
28 A 1028 981 1.80      
29 A 1016 970 2.25      
30 A 976 932 4.58      
31 A 898 857 0.93      
32 A 882 842 2.27      
33 A 852 813 2.25      
34 A 646 617 2.58      
35 A 605 578 2.51      
36 A 535 510 0.86      
37 A 455 434 0.06      
38 A 411 392 0.61      
39 A 293 280 1.19      
40 A 266 254 0.13      
41 A 250 239 0.22      
42 A 85 81 1.52      

Unscaled Zero Point Vibrational Energy (zpe) 31941.2 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 30487.9 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 MP2/3-21G
ABC
0.13240 0.09013 0.05892

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.294 0.144 0.231
H2 -2.190 0.022 1.313
H3 -2.871 1.055 0.025
H4 -2.849 -0.713 -0.164
S5 0.119 -1.350 -0.077
C6 1.712 -0.342 0.310
H7 2.548 -0.817 -0.205
H8 1.869 -0.360 1.389
C9 -0.905 0.250 -0.418
H10 -0.989 0.342 -1.504
C11 1.435 1.094 -0.192
H12 1.580 1.140 -1.278
H13 2.116 1.807 0.286
C14 -0.045 1.405 0.141
H15 -0.367 2.360 -0.293
H16 -0.171 1.449 1.230

Atom - Atom Distances (Å)
  C1 H2 H3 H4 S5 C6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
C11.09451.09721.09492.85454.03674.95634.35051.53712.17983.87184.27494.71392.58052.98282.6855
H21.09451.78581.77723.02404.04575.04594.07742.16803.07924.06924.70904.77342.80913.37172.4742
H31.09721.78581.77813.83774.79975.73805.13082.17032.52744.31184.63825.05012.85002.84132.9829
H41.09491.77721.77813.03664.60115.39894.97972.18472.52364.65024.92845.58673.52793.95233.7142
S52.85453.02403.83773.03661.92472.49082.48821.92892.47462.77823.12623.75352.76833.74723.1026
C64.03674.04574.79974.60111.92471.09061.09092.77983.32461.54632.17562.18732.48383.46222.7571
H74.95635.04595.73805.39892.49081.09061.79203.62033.94252.21152.43272.70483.43254.31273.8194
H84.35054.07745.13084.97972.48821.09091.79203.36574.12652.19173.07342.44492.88753.90222.7311
C91.53712.16802.17032.18471.92892.77983.62033.36571.09332.49792.77573.47091.54482.18102.1662
H102.17983.07922.52742.52362.47463.32463.94254.12651.09332.85702.69923.87202.17382.43393.0609
C113.87184.06924.31184.65022.77821.54632.21152.19172.49792.85701.09611.09611.54872.20472.1744
H124.27494.70904.63824.92843.12622.17562.43273.07342.77572.69921.09611.78312.17292.49973.0739
H134.71394.77345.05015.58673.75352.18732.70482.44493.47093.87201.09611.78312.20282.60892.4996
C142.58052.80912.85003.52792.76832.48383.43252.88751.54482.17381.54872.17292.20281.09671.0976
H152.98283.37172.84133.95233.74723.46224.31273.90222.18102.43392.20472.49972.60891.09671.7852
H162.68552.47422.98293.71423.10262.75713.81942.73112.16623.06092.17443.07392.49961.09761.7852

picture of Thiophene, tetrahydro-2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C9 S5 110.376 C1 C9 H10 110.806
C1 C9 C14 113.715 H2 C1 H3 109.135
H2 C1 H4 108.532 H2 C1 C9 109.802
H3 C1 H4 108.413 H3 C1 C9 109.823
H4 C1 C9 111.092 S5 C6 H7 108.189
S5 C6 H8 107.988 S5 C6 C11 105.822
S5 C9 H10 106.636 S5 C9 C14 105.138
C6 S5 C9 92.335 C6 C11 H12 109.668
C6 C11 H13 110.594 C6 C11 C14 106.746
H7 C6 H8 110.462 H7 C6 C11 112.867
H8 C6 C11 111.246 C9 C14 C11 107.698
C9 C14 H15 110.160 C9 C14 H16 108.954
H10 C9 C14 109.795 C11 C14 H15 111.770
C11 C14 H16 109.324 H12 C11 H13 108.861
H12 C11 C14 109.290 H13 C11 C14 111.650
H15 C14 H16 108.889
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.514     -0.515
2 H 0.197     0.130
3 H 0.186     0.117
4 H 0.196     0.179
5 S 0.213     -0.342
6 C -0.573     -0.002
7 H 0.222     0.094
8 H 0.217     0.086
9 C -0.437     0.245
10 H 0.221     0.041
11 C -0.378     -0.325
12 H 0.202     0.119
13 H 0.202     0.114
14 C -0.352     -0.088
15 H 0.200     0.060
16 H 0.198     0.086


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.346 2.335 0.053 2.361
CHELPG        
AIM        
ESP 0.355 2.321 0.034 2.348


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.772 -0.292 0.972
y -0.292 -50.218 -0.390
z 0.972 -0.390 -47.535
Traceless
 xyz
x 5.104 -0.292 0.972
y -0.292 -4.565 -0.390
z 0.972 -0.390 -0.540
Polar
3z2-r2-1.080
x2-y26.446
xy-0.292
xz0.972
yz-0.390


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.661 -0.123 0.438
y -0.123 9.710 -0.043
z 0.438 -0.043 7.360


<r2> (average value of r2) Å2
<r2> 211.029
(<r2>)1/2 14.527