return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C5H10S (2H-Thiopyran, tetrahydro-)

using model chemistry: B3PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31+G**
 hartrees
Energy at 0K-594.653744
Energy at 298.15K-594.666025
Nuclear repulsion energy311.349457
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 B3PW91/6-31+G**
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 3121 2996 18.84      
2 A 3093 2970 59.76      
3 A 3082 2959 42.19      
4 A 3047 2925 23.02      
5 A 3037 2915 27.12      
6 A 3025 2905 24.43      
7 A 1493 1433 3.08      
8 A 1480 1421 14.34      
9 A 1467 1408 9.50      
10 A 1382 1326 0.58      
11 A 1339 1285 5.45      
12 A 1270 1219 1.06      
13 A 1242 1192 6.33      
14 A 1084 1041 2.35      
15 A 1035 994 0.56      
16 A 981 942 9.42      
17 A 837 804 5.15      
18 A 827 794 0.92      
19 A 666 639 3.91      
20 A 498 478 0.66      
21 A 356 342 0.57      
22 A 344 330 0.03      
23 A 177 170 2.03      
24 A 3122 2997 10.70      
25 A 3086 2963 19.60      
26 A 3048 2927 23.79      
27 A 3037 2915 50.99      
28 A 1473 1414 5.70      
29 A 1462 1403 1.35      
30 A 1387 1331 0.08      
31 A 1366 1312 0.01      
32 A 1301 1249 16.29      
33 A 1288 1236 3.24      
34 A 1169 1123 0.01      
35 A 1107 1063 0.45      
36 A 1094 1050 0.45      
37 A 948 910 0.60      
38 A 914 877 4.42      
39 A 799 767 0.14      
40 A 696 669 0.30      
41 A 399 383 0.24      
42 A 233 224 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 31403.3 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 30150.3 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 B3PW91/6-31+G**
ABC
0.13256 0.09964 0.06334

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.512 0.000
C2 0.058 -1.723 0.000
C3 0.381 -0.945 1.279
C4 0.381 -0.945 -1.279
C5 -0.379 0.376 1.376
C6 -0.379 0.376 -1.376
H7 0.611 -2.670 0.000
H8 -1.010 -1.988 0.000
H9 -1.462 0.198 1.405
H10 -1.462 0.198 -1.405
H11 0.131 -1.560 2.155
H12 0.131 -1.560 -2.155
H13 1.459 -0.742 1.327
H14 1.459 -0.742 -1.327
H15 -0.112 0.919 -2.288
H16 -0.112 0.919 2.288

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
S13.23532.79622.79621.82411.82414.22633.64282.41642.41643.75463.75462.99492.99492.36642.3664
C23.23531.53171.53172.54742.54741.09671.10012.82402.82402.16192.16192.16472.16473.49903.4990
C32.79621.53172.55881.52713.06172.15992.15842.17233.45131.09853.49761.09762.82814.05522.1760
C42.79621.53172.55883.06171.52712.15992.15843.45132.17233.49761.09852.82811.09762.17604.0552
C51.82412.54741.52713.06172.75203.48582.80721.09782.99012.14824.05872.15153.45473.71371.0944
C61.82412.54743.06171.52712.75203.48582.80722.99011.09784.05872.14823.45472.15151.09443.7137
H74.22631.09672.15992.15993.48583.48581.75813.80753.80752.47072.47072.48962.48964.31724.3172
H83.64281.10012.15842.15842.80722.80721.75812.63802.63802.47502.47503.06713.06713.80673.8067
H92.41642.82402.17233.45131.09782.99013.80752.63802.81092.48774.27803.06904.10873.99791.7664
H102.41642.82403.45132.17232.99011.09783.80752.63802.81094.27802.48774.10873.06901.76643.9979
H113.75462.16191.09853.49762.14824.05872.47072.47502.48774.27804.30911.76543.81535.09332.4944
H123.75462.16193.49761.09854.05872.14822.47072.47504.27802.48774.30913.81531.76542.49445.0933
H132.99492.16471.09762.82812.15153.45472.48963.06713.06904.10871.76543.81532.65504.27772.4797
H142.99492.16472.82811.09763.45472.15152.48963.06714.10873.06903.81531.76542.65502.47974.2777
H152.36643.49904.05522.17603.71371.09444.31723.80673.99791.76645.09332.49444.27772.47974.5762
H162.36643.49902.17604.05521.09443.71374.31723.80671.76643.99792.49445.09332.47974.27774.5762

picture of 2H-Thiopyran, tetrahydro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C5 C3 112.804 S1 C5 H9 109.037
S1 C5 H16 105.614 S1 C6 C4 112.804
S1 C6 H10 109.037 S1 C6 H15 105.614
C2 C3 C5 112.777 C2 C3 H11 109.456
C2 C3 H13 109.726 C2 C4 C6 112.777
C2 C4 H12 109.456 C2 C4 H14 109.726
C3 C2 C4 113.291 C3 C2 H7 109.405
C3 C2 H8 109.092 C3 C5 H9 110.632
C3 C5 H16 111.130 C4 C2 H7 109.405
C4 C2 H8 109.092 C4 C6 H10 110.632
C4 C6 H15 111.130 C5 S1 C6 97.934
C5 C3 H11 108.701 C5 C3 H13 109.012
C6 C4 H12 108.701 C6 C4 H14 109.012
H7 C2 H8 106.317 H9 C5 H16 107.364
H10 C6 H15 107.364 H11 C3 H13 106.997
H12 C4 H14 106.997
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.031      
2 C -0.267      
3 C -0.235      
4 C -0.235      
5 C -0.510      
6 C -0.510      
7 H 0.157      
8 H 0.156      
9 H 0.190      
10 H 0.190      
11 H 0.157      
12 H 0.157      
13 H 0.170      
14 H 0.170      
15 H 0.190      
16 H 0.190      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.413 -1.941 0.000 1.985
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.530 -0.019 0.000
y -0.019 -49.651 0.000
z 0.000 0.000 -42.068
Traceless
 xyz
x -0.671 -0.019 0.000
y -0.019 -5.352 0.000
z 0.000 0.000 6.023
Polar
3z2-r212.045
x2-y23.121
xy-0.019
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.083 0.835 0.000
y 0.835 11.403 0.000
z 0.000 0.000 11.841


<r2> (average value of r2) Å2
<r2> 197.457
(<r2>)1/2 14.052