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: B3LYP/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/CEP-121G*
 hartrees
Energy at 0K-49.999681
Energy at 298.15K-50.007446
Nuclear repulsion energy160.726500
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/CEP-121G*
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' 3216 3117 23.51      
2 A' 3180 3083 21.62      
3 A' 3171 3074 52.40      
4 A' 3162 3066 25.08      
5 A' 3152 3056 0.35      
6 A' 3145 3049 13.27      
7 A' 3131 3035 6.07      
8 A' 3119 3024 19.28      
9 A' 1670 1619 14.57      
10 A' 1625 1576 1.69      
11 A' 1599 1550 3.50      
12 A' 1516 1469 9.39      
13 A' 1470 1425 2.66      
14 A' 1444 1400 5.58      
15 A' 1351 1310 2.17      
16 A' 1332 1292 0.75      
17 A' 1304 1264 2.75      
18 A' 1209 1172 1.89      
19 A' 1194 1157 0.02      
20 A' 1166 1130 0.21      
21 A' 1096 1063 4.83      
22 A' 1044 1012 0.53      
23 A' 1026 994 5.92      
24 A' 997 966 0.21      
25 A' 772 749 0.17      
26 A' 622 603 0.04      
27 A' 550 533 5.52      
28 A' 439 426 0.10      
29 A' 232 225 0.49      
30 A" 1041 1009 25.88      
31 A" 998 967 0.07      
32 A" 965 936 0.00      
33 A" 946 917 5.74      
34 A" 906 878 46.97      
35 A" 864 837 0.51      
36 A" 820 795 39.76      
37 A" 716 694 46.55      
38 A" 659 639 0.28      
39 A" 455 441 8.00      
40 A" 416 403 0.19      
41 A" 212 206 1.85      
42 A" 59 57 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 28995.8 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 28108.5 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 B3LYP/CEP-121G*
ABC
0.17076 0.05053 0.03899

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.562 0.000
C2 -1.017 -0.422 0.000
C3 -0.697 -1.786 0.000
C4 0.649 -2.203 0.000
C5 1.669 -1.238 0.000
C6 1.345 0.128 0.000
C7 -0.277 2.019 0.000
C8 -1.479 2.630 0.000
H9 -2.064 -0.123 0.000
H10 -1.496 -2.526 0.000
H11 0.895 -3.264 0.000
H12 2.714 -1.545 0.000
H13 2.143 0.871 0.000
H14 0.615 2.650 0.000
H15 -1.548 3.716 0.000
H16 -2.422 2.085 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
C11.41572.44962.84042.45551.41361.48282.54192.17453.43163.92943.43672.16482.17643.51282.8608
C21.41571.40092.43842.80772.42552.55103.08701.08862.15743.42473.89693.41433.47904.17202.8741
C32.44961.40091.40852.42872.79853.82814.48472.15291.08932.17163.41953.88884.62605.56734.2382
C42.84042.43841.40851.40442.43254.32235.28043.41822.16921.08902.16783.41794.85316.31325.2741
C52.45552.80772.42871.40441.40403.79464.98743.89623.41752.16871.08922.16184.02875.90705.2710
C61.41362.42552.79852.43251.40402.49173.77293.41803.88783.42142.16211.09032.62584.60904.2452
C71.48282.55103.82814.32233.79462.49171.34792.78924.70555.41124.65352.67831.09282.11982.1457
C82.54193.08704.48475.28044.98743.77291.34792.81445.15586.35375.91744.02592.09381.08801.0893
H92.17451.08862.15293.41823.89623.41802.78922.81442.46904.31474.98544.32223.85553.87332.2368
H103.43162.15741.08932.16923.41753.88784.70555.15582.46902.50224.32334.97815.58996.24194.7029
H113.92943.42472.17161.08902.16873.42145.41126.35374.31472.50222.50304.31935.92057.39466.2936
H123.43673.89693.41952.16781.08922.16214.65355.91744.98544.32332.50302.48334.69146.77106.2899
H132.16483.41433.88883.41792.16181.09032.67834.02594.32224.97814.31932.48332.34484.65954.7232
H142.17643.47904.62604.85314.02872.62581.09282.09383.85555.58995.92054.69142.34482.41113.0891
H153.51284.17205.56736.31325.90704.60902.11981.08803.87336.24197.39466.77104.65952.41111.8503
H162.86082.87414.23825.27415.27104.24522.14571.08932.23684.70296.29366.28994.72323.08911.8503

picture of Styrene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.848 C1 C2 H9 119.962
C1 C6 C5 121.261 C1 C6 H13 119.108
C1 C7 C8 127.729 C1 C7 H14 114.496
C2 C1 C6 118.022 C2 C1 C7 123.299
C2 C3 C4 120.441 C2 C3 H10 119.548
C3 C2 H9 119.191 C3 C4 C5 119.400
C3 C4 H11 120.260 C4 C3 H10 120.012
C4 C5 C6 120.029 C4 C5 H12 120.235
C5 C4 H11 120.341 C5 C6 H13 119.631
C6 C1 C7 118.679 C6 C5 H12 119.736
C7 C8 H15 120.594 C7 C8 H16 123.030
C8 C7 H14 117.776 H15 C8 H16 116.376
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.533      
2 C -0.373      
3 C -0.203      
4 C -0.226      
5 C -0.203      
6 C -0.405      
7 C -0.156      
8 C -0.522      
9 H 0.216      
10 H 0.202      
11 H 0.201      
12 H 0.205      
13 H 0.224      
14 H 0.190      
15 H 0.158      
16 H 0.159      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.098 -0.200 0.000 0.223
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.102 0.274 0.000
y 0.274 -42.495 0.000
z 0.000 0.000 -53.193
Traceless
 xyz
x 5.742 0.274 0.000
y 0.274 5.152 0.000
z 0.000 0.000 -10.894
Polar
3z2-r2-21.788
x2-y20.393
xy0.274
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 15.726 -2.962 0.000
y -2.962 19.094 0.000
z 0.000 0.000 6.072


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000