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

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-591.619839
Energy at 298.15K-591.631662
Nuclear repulsion energy306.740544
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 B3PW91/3-21G
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 3179 3055 9.60      
2 A 3147 3025 27.19      
3 A 3129 3007 25.76      
4 A 3123 3002 18.17      
5 A 3118 2997 6.59      
6 A 3108 2987 11.71      
7 A 3100 2980 3.23      
8 A 3071 2952 17.07      
9 A 3062 2943 21.38      
10 A 3051 2933 17.81      
11 A 1557 1497 10.96      
12 A 1546 1486 8.31      
13 A 1539 1480 0.79      
14 A 1530 1470 11.51      
15 A 1525 1465 5.22      
16 A 1458 1401 11.15      
17 A 1395 1341 2.54      
18 A 1386 1333 1.02      
19 A 1356 1304 3.73      
20 A 1316 1265 13.69      
21 A 1306 1256 11.50      
22 A 1257 1208 6.45      
23 A 1219 1171 10.81      
24 A 1165 1120 0.79      
25 A 1120 1077 0.12      
26 A 1104 1061 2.35      
27 A 1058 1017 8.19      
28 A 1031 991 1.23      
29 A 999 961 5.86      
30 A 966 929 5.73      
31 A 905 870 1.34      
32 A 874 840 1.90      
33 A 852 819 4.61      
34 A 655 630 3.86      
35 A 612 588 4.53      
36 A 530 510 1.32      
37 A 458 440 0.10      
38 A 408 392 0.95      
39 A 290 279 1.72      
40 A 263 253 0.26      
41 A 243 233 0.19      
42 A 95 92 1.73      

Unscaled Zero Point Vibrational Energy (zpe) 31551.7 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 30327.5 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 B3PW91/3-21G
ABC
0.13465 0.09118 0.05979

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.280 0.141 0.225
H2 -2.181 0.010 1.308
H3 -2.861 1.051 0.025
H4 -2.834 -0.713 -0.179
S5 0.116 -1.335 -0.074
C6 1.701 -0.344 0.305
H7 2.535 -0.824 -0.211
H8 1.860 -0.366 1.385
C9 -0.899 0.253 -0.416
H10 -0.978 0.345 -1.504
C11 1.426 1.082 -0.195
H12 1.563 1.125 -1.283
H13 2.114 1.796 0.274
C14 -0.040 1.394 0.150
H15 -0.362 2.355 -0.270
H16 -0.163 1.426 1.241

Atom - Atom Distances (Å)
  C1 H2 H3 H4 S5 C6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
C11.09541.09841.09552.82964.01104.92984.32901.52642.17353.84654.24364.69532.56692.97032.6769
H21.09541.78681.77732.99944.02575.02474.05962.16243.07674.05284.68814.76572.80013.36142.4672
H31.09841.78681.77633.81664.77895.71765.11342.16372.52634.29294.61395.03672.84412.83382.9833
H41.09551.77731.77633.01694.57625.37084.96022.17632.51424.62344.89255.56673.51473.94133.7055
S52.82962.99943.81663.01691.90772.47642.47201.91532.46202.75223.09973.73062.74223.72613.0711
C64.01104.02574.77894.57621.90771.09161.09252.76323.30491.53592.16732.17952.46483.44562.7355
H74.92985.02475.71765.37082.47641.09161.79233.60483.92182.20532.42782.69753.41774.30183.8011
H84.32904.05965.11344.96022.47201.09251.79233.35244.11172.18733.07112.44432.86963.88372.7064
C91.52642.16242.16372.17631.91532.76323.60483.35241.09462.47822.75193.45461.53552.17432.1594
H102.17353.07672.52632.51422.46203.30493.92184.11171.09462.83492.66743.85082.17122.43803.0607
C113.84654.05284.29294.62342.75221.53592.20532.18732.47822.83491.09711.09681.53842.19652.1691
H124.24364.68814.61394.89253.09972.16732.42783.07112.75192.66741.09711.78272.16702.49923.0721
H134.69534.76575.03675.56673.73062.17952.69752.44433.45463.85081.09681.78272.19522.59632.5009
C142.56692.80012.84413.51472.74222.46483.41772.86961.53552.17121.53842.16702.19521.09741.0983
H152.97033.36142.83383.94133.72613.44564.30183.88372.17432.43802.19652.49922.59631.09741.7846
H162.67692.46722.98333.70553.07112.73553.80112.70642.15943.06072.16913.07212.50091.09831.7846

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 110.093 C1 C9 H10 110.970
C1 C9 C14 113.932 H2 C1 H3 109.070
H2 C1 H4 108.426 H2 C1 C9 110.047
H3 C1 H4 108.123 H3 C1 C9 109.973
H4 C1 C9 111.145 S5 C6 H7 108.216
S5 C6 H8 107.853 S5 C6 C11 105.606
S5 C9 H10 106.555 S5 C9 C14 104.713
C6 S5 C9 92.570 C6 C11 H12 109.677
C6 C11 H13 110.652 C6 C11 C14 106.594
H7 C6 H8 110.293 H7 C6 C11 113.051
H8 C6 C11 111.532 C9 C14 C11 107.456
C9 C14 H15 110.237 C9 C14 H16 109.015
H10 C9 C14 110.150 C11 C14 H15 111.793
C11 C14 H16 109.568 H12 C11 H13 108.692
H12 C11 C14 109.474 H13 C11 C14 111.726
H15 C14 H16 108.731
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.596      
2 H 0.226      
3 H 0.214      
4 H 0.226      
5 S 0.236      
6 C -0.656      
7 H 0.253      
8 H 0.249      
9 C -0.491      
10 H 0.253      
11 C -0.430      
12 H 0.231      
13 H 0.228      
14 C -0.399      
15 H 0.226      
16 H 0.227      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.344 2.458 0.052 2.482
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.982 -0.295 0.946
y -0.295 -48.748 -0.393
z 0.946 -0.393 -45.938
Traceless
 xyz
x 5.361 -0.295 0.946
y -0.295 -4.788 -0.393
z 0.946 -0.393 -0.573
Polar
3z2-r2-1.146
x2-y26.766
xy-0.295
xz0.946
yz-0.393


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 207.841
(<r2>)1/2 14.417