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 CH3COC6H5 (acetophenone)

using model chemistry: MP2=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes CS 1A'

Conformer 1 (C1)

Jump to S1C2
Vibrational Frequencies calculated at MP2=FULL/6-31G*
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/6-31G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at MP2=FULL/6-31G*
 hartrees
Energy at 0K-383.703930
Energy at 298.15K-383.712080
HF Energy-382.472966
Nuclear repulsion energy401.042411
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=FULL/6-31G*
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 3257 3068 5.02      
2 A 3251 3063 9.32      
3 A 3243 3055 14.41      
4 A 3234 3047 5.14      
5 A 3233 3046 9.75      
6 A 3224 3037 0.12      
7 A 3194 3010 5.29      
8 A 3110 2930 1.50      
9 A 1761 1659 86.58      
10 A 1679 1582 10.20      
11 A 1659 1563 7.71      
12 A 1555 1465 1.33      
13 A 1538 1449 11.03      
14 A 1534 1446 10.22      
15 A 1509 1422 20.81      
16 A 1476 1390 2.51      
17 A 1440 1357 53.08      
18 A 1366 1287 6.96      
19 A 1329 1252 161.11      
20 A 1235 1164 6.84      
21 A 1219 1148 0.51      
22 A 1134 1069 4.84      
23 A 1122 1057 0.68      
24 A 1067 1005 3.91      
25 A 1066 1004 1.45      
26 A 1023 964 0.70      
27 A 989 932 19.01      
28 A 922 868 0.82      
29 A 907 854 0.43      
30 A 887 835 0.60      
31 A 846 797 0.38      
32 A 753 710 1.77      
33 A 744 701 67.68      
34 A 632 595 0.69      
35 A 609 574 13.49      
36 A 600 566 25.42      
37 A 525 495 1.03      
38 A 469 442 0.58      
39 A 414 390 0.10      
40 A 398 375 0.00      
41 A 372 351 0.68      
42 A 225 212 4.71      
43 A 184 173 0.24      
44 A 152 144 0.01      
45 A 53 50 3.11      

Unscaled Zero Point Vibrational Energy (zpe) 30569.2 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 28802.3 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=FULL/6-31G*
ABC
0.12281 0.04062 0.03070

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.472 0.861 0.703
C2 1.706 -0.137 -0.131
C3 0.211 -0.048 -0.052
O4 2.254 -1.033 -0.765
C5 -0.451 1.156 -0.320
C6 -0.528 -1.193 0.258
C7 -1.844 1.211 -0.278
C8 -1.919 -1.129 0.322
C9 -2.579 0.071 0.053
H10 3.545 0.695 0.594
H11 2.232 1.887 0.405
H12 2.189 0.760 1.755
H13 0.117 2.047 -0.579
H14 -0.010 -2.131 0.442
H15 -2.357 2.143 -0.500
H16 -2.490 -2.019 0.573
H17 -3.664 0.118 0.096

Atom - Atom Distances (Å)
  C1 C2 C3 O4 C5 C6 C7 C8 C9 H10 H11 H12 H13 H14 H15 H16 H17
C11.50932.55122.40573.11123.66354.44014.83675.15371.09141.09471.09492.93143.89645.13865.73936.2106
C21.50931.49971.22662.52252.50173.80033.78614.29402.14522.15862.14382.73742.69234.67344.65275.3807
C32.55121.49972.37741.39991.39802.42042.41862.79463.47682.83462.79892.16132.15233.40483.40243.8812
O42.40571.22662.37743.50862.96884.69764.31405.02462.54963.14523.09343.75282.79105.60505.02736.0898
C53.11122.52251.39993.50862.42021.39452.79112.41714.12592.87383.38171.08763.40282.15313.87783.4015
C63.66352.50171.39802.96882.42022.79191.39412.41764.50274.13833.66653.40721.08733.87872.15213.4021
C74.44013.80032.42044.69761.39452.79192.41661.39555.48414.18784.53932.15313.87901.08683.40202.1552
C84.83673.78612.41864.31402.79111.39412.41661.39585.76795.13204.74403.87862.15943.40201.08682.1560
C95.15374.29402.79465.02462.41712.41761.39551.39586.17995.15425.10983.40133.40562.15582.15611.0867
H101.09142.14523.47682.54964.12594.50275.48415.76796.17991.78371.78633.86734.54446.17486.61817.2495
H111.09472.15862.83463.14522.87384.13834.18785.13205.15421.78371.75962.33774.60104.68386.13076.1632
H121.09492.14382.79893.09343.38173.66654.53934.74405.10981.78631.75963.37593.86255.25965.56956.1177
H132.93142.73742.16133.75281.08763.40722.15313.87863.40133.86732.33773.37594.30192.47684.96544.2976
H143.89642.69232.15232.79103.40281.08733.87902.15943.40564.54444.60103.86254.30194.96572.48604.3039
H155.13864.67343.40485.60502.15313.87871.08683.40202.15586.17484.68385.25962.47684.96574.30042.4830
H165.73934.65273.40245.02733.87782.15213.40201.08682.15616.61816.13075.56954.96542.48604.30042.4843
H176.21065.38073.88126.08983.40153.40212.15522.15601.08677.24956.16326.11774.29764.30392.48302.4843

picture of acetophenone state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 115.957 C1 C2 O4 122.786
C2 C1 H10 110.112 C2 C1 H11 110.980
C2 C1 H12 109.793 C2 C3 C5 120.868
C2 C3 C6 119.346 C3 C2 O4 121.065
C3 C5 C7 120.036 C3 C5 H13 120.132
C3 C6 C8 120.045 C3 C6 H14 119.480
C5 C3 C6 119.765 C5 C7 C9 120.074
C5 C7 H15 119.882 C6 C8 C9 120.120
C6 C8 H16 119.824 C7 C5 H13 119.823
C7 C9 C8 119.944 C7 C9 H17 120.000
C8 C6 H14 120.475 C8 C9 H17 120.056
C9 C7 H15 120.043 C9 C8 H16 120.054
H10 C1 H11 109.360 H10 C1 H12 109.586
H11 C1 H12 106.950
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability