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/cc-pVTZ

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/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP2/cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at MP2/cc-pVTZ
 hartrees
Energy at 0K-384.104243
Energy at 298.15K-384.112542
HF Energy-382.603087
Nuclear repulsion energy401.996055
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/cc-pVTZ
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 3242 3078 7.21      
2 A 3238 3075 6.91      
3 A 3230 3067 7.65      
4 A 3220 3058 4.67      
5 A 3209 3047 0.11      
6 A 3206 3044 7.42      
7 A 3164 3004 4.06      
8 A 3081 2925 1.79      
9 A 1739 1652 106.74      
10 A 1646 1563 10.17      
11 A 1629 1546 7.12      
12 A 1522 1445 1.96      
13 A 1493 1418 10.16      
14 A 1483 1408 11.11      
15 A 1480 1406 10.74      
16 A 1468 1394 6.59      
17 A 1389 1319 65.92      
18 A 1335 1268 5.27      
19 A 1301 1235 138.84      
20 A 1198 1137 7.64      
21 A 1180 1121 0.42      
22 A 1106 1050 6.09      
23 A 1098 1043 1.03      
24 A 1047 994 6.04      
25 A 1043 990 0.39      
26 A 1013 962 0.88      
27 A 985 935 0.17      
28 A 972 923 0.10      
29 A 966 918 21.29      
30 A 930 883 1.90      
31 A 862 818 0.16      
32 A 763 725 51.93      
33 A 741 704 2.09      
34 A 694 659 19.99      
35 A 618 587 0.64      
36 A 592 562 23.92      
37 A 591 561 10.86      
38 A 461 438 0.42      
39 A 424 402 0.36      
40 A 407 386 0.01      
41 A 364 346 0.69      
42 A 218 207 4.59      
43 A 173 164 0.17      
44 A 153 145 0.00      
45 A 55 52 3.10      

Unscaled Zero Point Vibrational Energy (zpe) 30362.9 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 28829.6 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/cc-pVTZ
ABC
0.12322 0.04082 0.03084

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.461 0.857 0.706
C2 1.705 -0.144 -0.125
C3 0.212 -0.055 -0.056
O4 2.256 -1.020 -0.768
C5 -0.445 1.150 -0.318
C6 -0.532 -1.194 0.258
C7 -1.836 1.211 -0.280
C8 -1.921 -1.125 0.322
C9 -2.574 0.076 0.050
H10 3.532 0.714 0.598
H11 2.199 1.875 0.413
H12 2.181 0.749 1.754
H13 0.126 2.033 -0.572
H14 -0.019 -2.128 0.444
H15 -2.341 2.140 -0.501
H16 -2.492 -2.007 0.574
H17 -3.653 0.127 0.091

Atom - Atom Distances (Å)
  C1 C2 C3 O4 C5 C6 C7 C8 C9 H10 H11 H12 H13 H14 H15 H16 H17
C11.50542.54372.39603.09463.65544.42224.82435.13741.08671.09031.09042.90933.89005.11485.72336.1882
C21.50541.49721.21852.51662.49993.79403.78224.28832.14482.14712.13492.72582.68934.66164.64485.3693
C32.54371.49722.37051.39741.39562.41762.41552.79123.47062.80932.79282.15262.14493.39653.39403.8722
O42.39601.21852.37053.49422.97594.68624.31845.02062.54983.12693.08193.72762.80675.58555.03256.0810
C53.09462.51661.39743.49422.41541.39272.78612.41334.10462.83713.36901.08193.39252.14713.86723.3926
C63.65542.49991.39562.97592.41542.78781.39252.41434.50244.11043.65653.39631.08153.86902.14623.3937
C74.42223.79402.41764.68621.39272.78782.41311.39355.46204.14734.52592.14763.86921.08123.39312.1486
C84.82433.78222.41554.31842.78611.39252.41311.39385.76155.09664.73123.86802.15353.39331.08112.1496
C95.13744.28832.79125.02062.41332.41431.39351.39386.16455.11395.09613.39293.39732.14942.14941.0810
H101.08672.14483.47062.54984.10464.50245.46205.76156.16451.77721.77933.83504.55156.14346.61097.2275
H111.09032.14712.80933.12692.83714.11044.14735.09665.11391.77721.75122.30024.57634.63906.09116.1163
H121.09042.13492.79283.08193.36903.65654.52594.73125.09611.77931.75123.35893.85135.24155.55236.0985
H132.90932.72582.15263.72761.08193.39632.14763.86803.39293.83502.30023.35894.28592.47124.94914.2851
H143.89002.68932.14492.80673.39251.08153.86922.15353.39734.55154.57633.85134.28594.95022.47944.2912
H155.11484.66163.39655.58552.14713.86901.08123.39332.14946.14344.63905.24152.47124.95024.28712.4755
H165.72334.64483.39405.03253.86722.14623.39311.08112.14946.61096.09115.55234.94912.47944.28712.4765
H176.18825.36933.87226.08103.39263.39372.14862.14961.08107.22756.11636.09854.28514.29122.47552.4765

picture of acetophenone state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 115.808 C1 C2 O4 122.841
C2 C1 H10 110.634 C2 C1 H11 110.595
C2 C1 H12 109.620 C2 C3 C5 120.746
C2 C3 C6 119.533 C3 C2 O4 121.257
C3 C5 C7 120.108 C3 C5 H13 119.976
C3 C6 C8 120.072 C3 C6 H14 119.427
C5 C3 C6 119.716 C5 C7 C9 120.033
C5 C7 H15 119.912 C6 C8 C9 120.115
C6 C8 H16 119.842 C7 C5 H13 119.903
C7 C9 C8 119.936 C7 C9 H17 120.000
C8 C6 H14 120.500 C8 C9 H17 120.064
C9 C7 H15 120.055 C9 C8 H16 120.040
H10 C1 H11 109.444 H10 C1 H12 109.628
H11 C1 H12 106.842
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability