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All results from a given calculation for C6H5CHCH2 (Styrene)

using model chemistry: HF/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/3-21G*
 hartrees
Energy at 0K-305.872492
Energy at 298.15K-305.880918
Nuclear repulsion energy322.337945
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 HF/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 3400 3069 18.39      
2 A 3386 3056 7.41      
3 A 3375 3047 27.89      
4 A 3365 3037 20.25      
5 A 3354 3027 0.12      
6 A 3346 3021 6.67      
7 A 3330 3006 4.91      
8 A 3316 2993 8.81      
9 A 1846 1666 7.38      
10 A 1775 1602 3.35      
11 A 1746 1576 4.27      
12 A 1671 1509 19.37      
13 A 1631 1472 2.76      
14 A 1604 1448 10.40      
15 A 1514 1366 2.33      
16 A 1475 1331 0.91      
17 A 1360 1227 2.09      
18 A 1333 1203 0.02      
19 A 1315 1187 2.01      
20 A 1250 1128 1.27      
21 A 1205 1087 3.29      
22 A 1188 1072 1.23      
23 A 1163 1049 4.07      
24 A 1160 1047 3.00      
25 A 1154 1042 0.19      
26 A 1139 1028 1.26      
27 A 1109 1001 51.75      
28 A 1103 995 34.92      
29 A 1085 980 2.80      
30 A 987 891 0.09      
31 A 907 819 52.84      
32 A 846 763 1.38      
33 A 806 727 56.19      
34 A 740 668 1.10      
35 A 712 642 0.04      
36 A 628 567 5.11      
37 A 521 470 9.22      
38 A 468 423 1.91      
39 A 468 422 0.65      
40 A 260 235 1.24      
41 A 215 194 1.97      
42 A 62 56 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 31657.5 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 28574.1 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 HF/3-21G*
ABC
0.17456 0.05211 0.04046

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.506 -0.214 -0.082
C2 0.002 1.083 -0.113
C3 -1.358 1.312 -0.037
C4 -2.242 0.250 0.065
C5 -1.754 -1.044 0.084
C6 -0.392 -1.272 0.006
C7 1.957 -0.502 -0.144
C8 2.929 0.326 0.188
H9 0.673 1.912 -0.216
H10 -1.730 2.317 -0.066
H11 -3.297 0.430 0.121
H12 -2.430 -1.872 0.157
H13 -0.019 -2.278 0.021
H14 2.207 -1.494 -0.478
H15 3.958 0.033 0.111
H16 2.745 1.315 0.560

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
C11.39142.40952.79042.41291.39091.48072.49712.13623.37733.86223.38032.13292.16513.46652.7858
C21.39141.38192.39992.76492.39092.51693.03831.07142.12773.37113.83693.36403.41054.09922.8334
C32.40951.38191.38482.39192.75953.78084.40532.12591.07212.13543.36563.83244.55815.47044.1462
C42.79042.39991.38481.38342.39654.27065.17293.36692.13321.07182.13323.36674.80866.20395.1227
C52.41292.76492.39191.38341.38283.75664.88003.83603.36462.13451.07202.12964.02495.81255.1015
C61.39092.39092.75952.39651.38282.47643.69003.36483.83153.36892.12961.07302.65264.54304.1035
C71.48072.51693.78084.27063.75662.47641.31952.73504.64225.34244.60552.66221.07562.08742.1021
C82.49713.03834.40535.17294.88003.69001.31952.78715.07356.22725.79233.93732.06781.07271.0730
H92.13621.07142.12593.36693.83603.36482.73502.78712.44214.25094.90804.25363.74393.79842.2909
H103.37732.12771.07212.13323.36463.83154.64225.07352.44212.45974.25374.90455.49476.13254.6281
H113.86223.37112.13541.07182.13453.36895.34246.22724.25092.45972.46094.25305.86067.26596.1216
H123.38033.83693.36562.13321.07202.12964.60555.79234.90804.25372.46092.44804.69486.66636.0907
H132.13293.36403.83243.36672.12961.07302.66223.93734.25364.90454.25302.44802.41244.60144.5654
H142.16513.41054.55814.80864.02492.65261.07562.06783.74395.49475.86064.69482.41242.39733.0424
H153.46654.09925.47046.20395.81254.54302.08741.07273.79846.13257.26596.66634.60142.39731.8215
H162.78582.83344.14625.12275.10154.10352.10211.07302.29094.62816.12166.09074.56543.04241.8215

picture of Styrene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.649 C1 C2 H9 119.755
C1 C6 C5 120.900 C1 C6 H13 119.364
C1 C7 C8 126.101 C1 C7 H14 114.845
C2 C1 C6 118.485 C2 C1 C7 122.375
C2 C3 C4 120.324 C2 C3 H10 119.700
C3 C2 H9 119.586 C3 C4 C5 119.554
C3 C4 H11 120.202 C4 C3 H10 119.974
C4 C5 C6 120.079 C4 C5 H12 120.105
C5 C4 H11 120.243 C5 C6 H13 119.735
C6 C1 C7 119.140 C6 C5 H12 119.816
C7 C8 H15 121.184 C7 C8 H16 122.620
C8 C7 H14 119.044 H15 C8 H16 116.191
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.102      
2 C -0.228      
3 C -0.231      
4 C -0.242      
5 C -0.233      
6 C -0.221      
7 C -0.192      
8 C -0.416      
9 H 0.242      
10 H 0.240      
11 H 0.240      
12 H 0.240      
13 H 0.238      
14 H 0.231      
15 H 0.218      
16 H 0.214      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.076 -0.017 -0.016 0.080
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.241 -0.007 -0.415
y -0.007 -42.203 0.618
z -0.415 0.618 -54.189
Traceless
 xyz
x 5.956 -0.007 -0.415
y -0.007 6.012 0.618
z -0.415 0.618 -11.967
Polar
3z2-r2-23.935
x2-y2-0.037
xy-0.007
xz-0.415
yz0.618


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 16.353 0.845 0.114
y 0.845 11.692 0.395
z 0.114 0.395 3.178


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