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 C5H12S (Propane, 2-methyl-2-(methylthio)-)

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-592.934320
Energy at 298.15K-592.946994
Nuclear repulsion energy319.342090
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 B3LYP/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3174 3063 4.64      
2 A 3133 3023 24.49      
3 A 3114 3005 27.73      
4 A 3106 2997 27.66      
5 A 3082 2974 15.02      
6 A 3050 2943 28.43      
7 A 3043 2936 20.65      
8 A 1581 1525 12.09      
9 A 1566 1511 12.61      
10 A 1552 1498 2.24      
11 A 1540 1486 11.00      
12 A 1477 1425 3.86      
13 A 1452 1401 16.39      
14 A 1385 1337 1.65      
15 A 1268 1224 3.50      
16 A 1227 1183 63.33      
17 A 1080 1042 2.58      
18 A 996 961 12.23      
19 A 956 922 1.31      
20 A 810 781 1.34      
21 A 653 630 1.94      
22 A 557 537 6.16      
23 A 417 402 0.02      
24 A 359 347 1.33      
25 A 316 305 0.07      
26 A 285 275 0.00      
27 A 211 204 0.46      
28 A 3173 3062 12.00      
29 A 3132 3022 25.15      
30 A 3128 3018 1.49      
31 A 3101 2992 2.74      
32 A 3039 2932 12.16      
33 A 1568 1513 3.63      
34 A 1552 1498 2.84      
35 A 1544 1489 5.15      
36 A 1533 1480 7.79      
37 A 1452 1401 14.51      
38 A 1267 1223 8.49      
39 A 1075 1037 0.02      
40 A 1014 979 0.14      
41 A 973 939 5.27      
42 A 952 918 0.51      
43 A 401 387 0.20      
44 A 303 292 0.93      
45 A 281 271 0.10      
46 A 247 238 0.01      
47 A 140 135 1.66      
48 A 41 39 1.60      

Unscaled Zero Point Vibrational Energy (zpe) 35652.8 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 34401.4 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 B3LYP/3-21G
ABC
0.12190 0.06777 0.06226

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.763 -1.051 0.000
C2 0.000 0.720 0.000
C3 -1.225 1.652 0.000
C4 0.777 -2.163 0.000
H5 0.391 -3.183 0.000
H6 -0.885 2.695 0.000
C7 0.837 0.928 1.270
C8 0.837 0.928 -1.270
H9 1.371 -1.993 0.899
H10 1.371 -1.993 -0.899
H11 0.226 0.765 -2.163
H12 0.226 0.765 2.163
H13 1.224 1.956 1.289
H14 1.224 1.956 -1.289
H15 1.693 0.246 1.301
H16 1.693 0.246 -1.301
H17 -1.840 1.483 -0.890
H18 -1.840 1.483 0.890

Atom - Atom Distances (Å)
  S1 C2 C3 C4 H5 H6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
S11.92802.74181.89932.42423.74752.84422.84422.49952.49952.99232.99233.82763.82763.06633.06632.89372.8937
C21.92801.53952.98523.92232.16431.53521.53523.16963.16962.17492.17492.16512.16512.18662.18662.18172.1817
C32.74181.53954.30795.09761.09702.52772.52774.56414.56412.75112.75112.78462.78463.49043.49041.09481.0948
C41.89932.98524.30791.09125.13383.34223.34221.09051.09053.68163.68164.33854.33852.88612.88614.57514.5751
H52.42423.92235.09761.09126.01464.32624.32621.78451.78454.50504.50505.36325.36323.89143.89145.24795.2479
H63.74752.16431.09705.13386.01462.77472.77475.27945.27943.10383.10382.58012.58013.78613.78611.78081.7808
C72.84421.53522.52773.34224.32622.77472.54012.99293.67773.49051.09401.09832.78451.09502.79403.48412.7597
C82.84421.53522.52773.34224.32622.77472.54013.67772.99291.09403.49052.78451.09832.79401.09502.75973.4841
H92.49953.16964.56411.09051.78455.27942.99293.67771.79834.27733.24293.97094.51702.29733.15525.05894.7318
H102.49953.16964.56411.09051.78455.27943.67772.99291.79833.24294.27734.51703.97093.15522.29734.73185.0589
H112.99232.17492.75113.68164.50503.10383.49051.09404.27733.24294.32543.78511.78263.79691.77902.52983.7553
H122.99232.17492.75113.68164.50503.10381.09403.49053.24294.27734.32541.78263.78511.77903.79693.75532.5298
H133.82762.16512.78464.33855.36322.58011.09832.78453.97094.51703.78511.78262.57761.77323.13843.78943.1256
H143.82762.16512.78464.33855.36322.58012.78451.09834.51703.97091.78263.78512.57763.13841.77323.12563.7894
H153.06632.18663.49042.88613.89143.78611.09502.79402.29733.15523.79691.77901.77323.13842.60134.33683.7651
H163.06632.18663.49042.88613.89143.78612.79401.09503.15522.29731.77903.79693.13841.77322.60133.76514.3368
H172.89372.18171.09484.57515.24791.78083.48412.75975.05894.73182.52983.75533.78943.12564.33683.76511.7808
H182.89372.18171.09484.57515.24791.78082.75973.48414.73185.05893.75532.52983.12563.78943.76514.33681.7808

picture of Propane, 2-methyl-2-(methylthio)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 103.944 S1 C2 C7 109.908
S1 C2 C8 109.908 S1 C4 H5 105.084
S1 C4 H9 110.502 S1 C4 H10 110.502
C2 S1 C4 102.515 C2 C3 H6 109.195
C2 C3 H17 110.698 C2 C3 H18 110.698
C2 C7 H12 110.502 C2 C7 H13 109.483
C2 C7 H15 111.368 C2 C8 H11 110.502
C2 C8 H14 109.483 C2 C8 H16 111.368
C3 C2 C7 110.588 C3 C2 C8 110.588
H5 C4 H9 109.753 H5 C4 H10 109.753
H6 C3 H17 108.676 H6 C3 H18 108.676
C7 C2 C8 111.638 H9 C4 H10 111.077
H11 C8 H14 108.808 H11 C8 H16 108.716
H12 C7 H13 108.808 H12 C7 H15 108.716
H13 C7 H15 107.891 H14 C8 H16 107.891
H17 C3 H18 108.848
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.234     -0.306
2 C -0.350     0.416
3 C -0.512     -0.511
4 C -0.802     -0.332
5 H 0.231     0.184
6 H 0.192     0.146
7 C -0.508     -0.453
8 C -0.508     -0.453
9 H 0.221     0.116
10 H 0.221     0.116
11 H 0.205     0.128
12 H 0.205     0.128
13 H 0.190     0.119
14 H 0.190     0.119
15 H 0.192     0.141
16 H 0.192     0.141
17 H 0.204     0.151
18 H 0.204     0.151


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.766 0.879 0.000 1.973
CHELPG        
AIM        
ESP 1.787 0.853 0.000 1.980


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.437 -2.913 0.000
y -2.913 -44.713 0.000
z 0.000 0.000 -48.129
Traceless
 xyz
x -2.016 -2.913 0.000
y -2.913 3.570 0.000
z 0.000 0.000 -1.554
Polar
3z2-r2-3.108
x2-y2-3.724
xy-2.913
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.500 -0.329 0.000
y -0.329 12.134 0.000
z 0.000 0.000 8.228


<r2> (average value of r2) Å2
<r2> 232.900
(<r2>)1/2 15.261