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 C6H5CHCH2 (Styrene)

using model chemistry: PBEPBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-311G*
 hartrees
Energy at 0K-309.292053
Energy at 298.15K-309.299551
Nuclear repulsion energy318.556833
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 PBEPBE/6-311G*
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 3158 3126 17.79      
2 A 3124 3092 20.60      
3 A 3114 3082 44.19      
4 A 3106 3073 14.20      
5 A 3096 3064 0.63      
6 A 3089 3057 10.25      
7 A 3076 3044 5.09      
8 A 3060 3028 18.91      
9 A 1647 1630 11.61      
10 A 1607 1590 0.73      
11 A 1580 1564 2.67      
12 A 1489 1473 9.87      
13 A 1444 1429 5.13      
14 A 1414 1400 5.66      
15 A 1351 1337 1.20      
16 A 1322 1308 2.82      
17 A 1289 1276 1.33      
18 A 1204 1191 2.73      
19 A 1175 1163 0.09      
20 A 1153 1141 0.12      
21 A 1086 1075 5.41      
22 A 1033 1022 0.45      
23 A 1014 1003 6.96      
24 A 988 978 0.03      
25 A 986 975 19.81      
26 A 941 931 0.30      
27 A 912 903 0.02      
28 A 879 870 5.54      
29 A 868 859 39.80      
30 A 810 801 0.68      
31 A 770 762 0.27      
32 A 767 759 32.96      
33 A 681 674 47.06      
34 A 631 625 0.23      
35 A 614 608 0.04      
36 A 544 538 4.44      
37 A 437 433 0.10      
38 A 427 423 9.42      
39 A 395 390 0.40      
40 A 227 225 0.45      
41 A 197 195 2.38      
42 A 33 33 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 28369.4 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 28074.4 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 PBEPBE/6-311G*
ABC
0.17179 0.05098 0.03931

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.518 -0.222 -0.000
C2 0.010 1.095 -0.000
C3 -1.364 1.333 -0.000
C4 -2.270 0.264 0.000
C5 -1.786 -1.048 0.000
C6 -0.408 -1.285 0.000
C7 1.956 -0.531 -0.000
C8 2.984 0.335 0.000
H9 0.699 1.944 -0.000
H10 -1.734 2.363 -0.000
H11 -3.347 0.454 0.000
H12 -2.482 -1.891 0.000
H13 -0.035 -2.314 0.000
H14 2.191 -1.603 -0.000
H15 4.017 -0.020 0.000
H16 2.847 1.421 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
C11.41162.44162.83072.44771.41021.47022.52792.17373.42843.92423.43382.16442.16923.50422.8496
C21.41161.39442.42722.79582.41622.53553.06931.09362.15623.41773.88963.40963.46934.15882.8555
C32.44161.39441.40222.41842.78703.80714.46072.15131.09392.16943.41303.88214.61085.54804.2116
C42.83072.42721.40221.39832.42174.30025.25483.41192.16641.09352.16533.41214.83626.29355.2465
C52.44772.79582.41841.39831.39763.77714.96633.88933.41102.16681.09382.16064.01535.89295.2493
C61.41022.41622.78702.42171.39762.48153.75953.41363.88093.41482.16081.09512.61894.60254.2328
C71.47022.53553.80714.30023.77712.48151.34462.77594.68905.39364.64192.67301.09782.12352.1453
C82.52793.06934.46075.25484.96633.75951.34462.79445.13506.33225.90254.01722.09461.09211.0936
H92.17371.09362.15133.41193.88933.41362.77592.79442.46874.31164.98314.32143.84833.85532.2109
H103.42842.15621.09392.16643.41103.88094.68905.13502.46872.49874.31924.97605.57986.22464.6768
H113.92423.41772.16941.09352.16683.41485.39366.33224.31162.49872.50004.31685.90807.37916.2690
H123.43383.88963.41302.16531.09382.16084.64195.90254.98314.31922.50002.48354.68236.76336.2745
H132.16443.40963.88213.41212.16061.09512.67304.01724.32144.97604.31682.48352.33714.65674.7177
H142.16923.46934.61084.83624.01532.61891.09782.09463.84835.57985.90804.68232.33712.41693.0941
H153.50424.15885.54806.29355.89294.60252.12351.09213.85536.22467.37916.76334.65672.41691.8553
H162.84962.85554.21165.24655.24934.23282.14531.09362.21094.67686.26906.27454.71773.09411.8553

picture of Styrene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.952 C1 C2 H9 119.846
C1 C6 C5 121.329 C1 C6 H13 118.990
C1 C7 C8 127.753 C1 C7 H14 114.502
C2 C1 C6 117.806 C2 C1 C7 123.234
C2 C3 C4 120.438 C2 C3 H10 119.631
C3 C2 H9 119.201 C3 C4 C5 119.438
C3 C4 H11 120.237 C4 C3 H10 119.931
C4 C5 C6 120.037 C4 C5 H12 120.160
C5 C4 H11 120.326 C5 C6 H13 119.681
C6 C1 C7 118.960 C6 C5 H12 119.804
C7 C8 H15 120.908 C7 C8 H16 122.922
C8 C7 H14 117.745 H15 C8 H16 116.169
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.063      
2 C -0.188      
3 C -0.194      
4 C -0.179      
5 C -0.191      
6 C -0.207      
7 C -0.218      
8 C -0.420      
9 H 0.187      
10 H 0.187      
11 H 0.188      
12 H 0.187      
13 H 0.187      
14 H 0.185      
15 H 0.210      
16 H 0.203      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.204 -0.001 0.000 0.204
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.417 -0.062 -0.000
y -0.062 -42.057 0.000
z -0.000 0.000 -53.152
Traceless
 xyz
x 5.188 -0.062 -0.000
y -0.062 5.727 0.000
z -0.000 0.000 -10.915
Polar
3z2-r2-21.830
x2-y2-0.360
xy-0.062
xz-0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 20.602 0.688 0.000
y 0.688 13.779 0.000
z 0.000 0.000 5.408


<r2> (average value of r2) Å2
<r2> 279.284
(<r2>)1/2 16.712