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All results from a given calculation for C6H5CHCH2 (Styrene)

using model chemistry: MP2/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/CEP-31G*
 hartrees
Energy at 0K-49.468211
Energy at 298.15K-49.475769
HF Energy-48.518805
Nuclear repulsion energy159.324540
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 MP2/CEP-31G*
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 3289 3123 20.92      
2 A 3228 3064 9.98      
3 A 3219 3056 30.24      
4 A 3207 3045 23.61      
5 A 3199 3038 6.24      
6 A 3192 3030 1.41      
7 A 3183 3022 9.01      
8 A 3180 3020 4.45      
9 A 1697 1611 4.57      
10 A 1663 1579 2.78      
11 A 1639 1556 2.81      
12 A 1528 1451 10.61      
13 A 1496 1420 1.52      
14 A 1479 1404 0.67      
15 A 1454 1381 9.19      
16 A 1353 1285 1.58      
17 A 1323 1256 1.09      
18 A 1240 1178 2.39      
19 A 1207 1146 0.02      
20 A 1177 1118 0.09      
21 A 1111 1055 6.79      
22 A 1055 1002 1.19      
23 A 1027 975 44.94      
24 A 1024 972 7.50      
25 A 1004 954 1.07      
26 A 949 901 0.07      
27 A 930 883 0.58      
28 A 911 865 8.19      
29 A 862 818 0.10      
30 A 812 771 88.40      
31 A 781 741 0.08      
32 A 768 730 70.82      
33 A 703 667 17.03      
34 A 630 598 1.30      
35 A 611 580 0.07      
36 A 540 512 3.91      
37 A 438 416 0.17      
38 A 438 415 10.71      
39 A 403 383 1.28      
40 A 233 221 0.38      
41 A 208 198 3.23      
42 A 31 30 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 29210.9 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 27732.9 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 MP2/CEP-31G*
ABC
0.16658 0.04992 0.03841

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.522 -0.228 -0.000
C2 0.022 1.111 -0.000
C3 -1.374 1.355 -0.000
C4 -2.298 0.273 0.000
C5 -1.811 -1.062 0.000
C6 -0.413 -1.307 0.000
C7 1.976 -0.552 -0.000
C8 3.014 0.347 0.000
H9 0.714 1.960 -0.000
H10 -1.743 2.388 -0.000
H11 -3.376 0.468 0.000
H12 -2.513 -1.904 0.000
H13 -0.042 -2.338 0.000
H14 2.221 -1.622 -0.000
H15 4.051 -0.008 0.000
H16 2.858 1.430 0.001

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
C11.42992.47012.86402.47791.42751.48962.55712.19643.46013.95993.46682.18402.19733.53552.8650
C21.42991.41682.46672.84312.45682.56633.08781.09462.17783.45843.93913.45023.50814.18132.8542
C32.47011.41681.42362.45632.82983.85474.50172.17291.09642.19023.45243.92644.66745.59304.2325
C42.86402.46671.42361.42002.45864.35265.31203.45182.18691.09602.18683.45054.89966.35475.2844
C52.47792.84312.45631.42001.41943.82165.02653.93763.45012.18821.09602.18224.07085.95615.2930
C61.42752.45682.82982.45861.41942.50563.80503.45533.92623.45362.18291.09662.65284.64924.2654
C71.48962.56633.85474.35263.82162.50561.37302.81144.74045.44854.68802.69461.09762.14502.1699
C82.55713.08784.50175.31205.02653.80501.37302.80935.17576.39095.96734.06752.12281.09601.0945
H92.19641.09462.17293.45183.93763.45532.81142.80932.49324.35325.03364.36393.88623.87412.2091
H103.46012.17781.09642.18693.45013.92624.74045.17572.49322.52064.36005.02285.63806.26914.6994
H113.95993.45842.19021.09602.18823.45365.44856.39094.35322.52062.52394.35835.97447.44216.3082
H123.46683.93913.45242.18681.09602.18294.68805.96735.03364.36002.52392.50934.74206.83206.3218
H132.18403.45023.92643.45052.18221.09662.69464.06754.36395.02284.35832.50932.37284.70944.7551
H142.19733.50814.66744.89964.07082.65281.09762.12283.88625.63805.97444.74202.37282.44043.1184
H153.53554.18135.59306.35475.95614.64922.14501.09603.87416.26917.44216.83204.70942.44041.8682
H162.86502.85424.23255.28445.29304.26542.16991.09452.20914.69946.30826.32184.75513.11841.8682

picture of Styrene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.389 C1 C2 H9 120.344
C1 C6 C5 121.001 C1 C6 H13 119.245
C1 C7 C8 126.532 C1 C7 H14 115.437
C2 C1 C6 118.587 C2 C1 C7 123.033
C2 C3 C4 120.563 C2 C3 H10 119.582
C3 C2 H9 119.267 C3 C4 C5 119.493
C3 C4 H11 120.198 C4 C3 H10 119.855
C4 C5 C6 119.967 C4 C5 H12 120.172
C5 C4 H11 120.309 C5 C6 H13 119.754
C6 C1 C7 118.379 C6 C5 H12 119.861
C7 C8 H15 120.212 C7 C8 H16 122.743
C8 C7 H14 118.031 H15 C8 H16 117.045
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability