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All results from a given calculation for C6H5CHCH2 (Styrene)

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-306.568334
Energy at 298.15K-306.576109
HF Energy-305.867048
Nuclear repulsion energy317.833736
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 MP2/3-21G
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 3260 3112 15.19      
2 A 3217 3071 12.60      
3 A 3203 3057 24.13      
4 A 3194 3048 5.66      
5 A 3183 3038 2.12      
6 A 3176 3032 5.11      
7 A 3175 3030 3.50      
8 A 3159 3016 9.67      
9 A 1672 1596 4.49      
10 A 1605 1532 1.41      
11 A 1582 1510 2.71      
12 A 1539 1469 11.23      
13 A 1525 1456 0.95      
14 A 1488 1421 8.01      
15 A 1400 1336 1.85      
16 A 1373 1310 0.66      
17 A 1315 1255 1.11      
18 A 1249 1193 0.04      
19 A 1240 1184 0.08      
20 A 1232 1176 1.38      
21 A 1122 1071 3.18      
22 A 1081 1032 3.13      
23 A 1056 1008 2.46      
24 A 1030 983 21.37      
25 A 1019 972 2.18      
26 A 949 906 42.94      
27 A 925 883 0.31      
28 A 920 878 0.08      
29 A 878 838 1.06      
30 A 837 799 0.04      
31 A 788 753 1.16      
32 A 758 723 62.55      
33 A 691 660 27.12      
34 A 657 627 0.03      
35 A 646 616 0.53      
36 A 582 556 4.38      
37 A 477 456 6.02      
38 A 414 395 0.28      
39 A 407 388 1.94      
40 A 240 229 1.24      
41 A 179 171 1.17      
42 A 80 77 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 29262.9 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 27931.4 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 MP2/3-21G
ABC
0.16747 0.05095 0.03974

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.519 -0.216 -0.125
C2 0.004 1.099 -0.163
C3 -1.378 1.330 -0.050
C4 -2.267 0.249 0.094
C5 -1.766 -1.066 0.118
C6 -0.385 -1.295 0.007
C7 1.981 -0.485 -0.215
C8 2.941 0.319 0.281
H9 0.685 1.936 -0.306
H10 -1.760 2.347 -0.086
H11 -3.336 0.428 0.175
H12 -2.448 -1.906 0.223
H13 -0.000 -2.314 0.029
H14 2.266 -1.413 -0.712
H15 3.994 0.076 0.180
H16 2.703 1.236 0.814

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
C11.41322.44772.83242.44931.41371.48992.51372.16573.42973.91923.43142.16662.19813.50112.7857
C21.41321.40482.43792.81012.43202.53463.07141.08802.16163.42283.89723.41873.42544.13392.8736
C32.44771.40481.40702.43262.80733.82144.44752.16461.08722.16763.41903.89634.60865.52094.1717
C42.83242.43791.40701.40712.43604.32205.21153.42272.16571.08692.16633.42204.89496.26395.1174
C52.44932.81012.43261.40711.40443.80644.90903.89773.41872.16761.08712.16414.13125.87255.0745
C61.41372.43202.80732.43601.40442.51093.70723.41783.89443.42132.16201.08902.74934.59224.0735
C71.48992.53463.82144.32203.80642.51091.34662.74754.69405.40894.67182.70771.09052.12662.1310
C82.51373.07144.44755.21154.90903.70721.34662.83685.13286.27845.83023.95582.10731.08561.0870
H92.16571.08802.16463.42273.89773.41782.74752.83682.48884.32064.98484.31753.72553.82692.4113
H103.42972.16161.08722.16573.41873.89444.69405.13282.48882.49674.31914.98345.54446.19174.6861
H113.91923.42282.16761.08692.16763.42135.40896.27844.32062.49672.49754.32025.96317.33836.1255
H123.43143.89723.41902.16631.08712.16204.67185.83024.98484.31912.49752.48874.83096.74016.0619
H132.16663.41873.89633.42202.16411.08902.70773.95584.31754.98344.32022.48872.54924.65764.5306
H142.19813.42544.60864.89494.13122.74931.09052.10733.72555.54445.96314.83092.54922.44913.0880
H153.50114.13395.52096.26395.87254.59222.12661.08563.82696.19177.33836.74014.65762.44911.8481
H162.78572.87364.17175.11745.07454.07352.13101.08702.41134.68616.12556.06194.53063.08801.8481

picture of Styrene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.591 C1 C2 H9 119.399
C1 C6 C5 120.725 C1 C6 H13 119.363
C1 C7 C8 124.718 C1 C7 H14 115.960
C2 C1 C6 118.702 C2 C1 C7 121.608
C2 C3 C4 120.229 C2 C3 H10 119.783
C3 C2 H9 119.993 C3 C4 C5 119.641
C3 C4 H11 120.183 C4 C3 H10 119.984
C4 C5 C6 120.103 C4 C5 H12 120.034
C5 C4 H11 120.173 C5 C6 H13 119.910
C6 C1 C7 119.689 C6 C5 H12 119.863
C7 C8 H15 121.563 C7 C8 H16 121.873
C8 C7 H14 119.316 H15 C8 H16 116.559
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability