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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: B2PLYP=FULL/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B2PLYP=FULL/6-311G*
 hartrees
Energy at 0K-345.567891
Energy at 298.15K-345.576380
HF Energy-345.175951
Nuclear repulsion energy296.471891
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 B2PLYP=FULL/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3180 3180 9.57      
2 A 3128 3128 8.60      
3 A 3100 3100 4.23      
4 A 3063 3063 0.27      
5 A 1793 1793 18.92      
6 A 1509 1509 3.94      
7 A 1504 1504 22.97      
8 A 1493 1493 9.17      
9 A 1418 1418 7.09      
10 A 1293 1293 23.75      
11 A 1163 1163 2.07      
12 A 1094 1094 0.46      
13 A 953 953 1.81      
14 A 798 798 0.21      
15 A 629 629 1.81      
16 A 492 492 6.34      
17 A 322 322 0.75      
18 A 171 171 0.04      
19 A 146 146 0.92      
20 A 62 62 7.13      
21 B 3180 3180 10.92      
22 B 3169 3169 8.19      
23 B 3128 3128 1.73      
24 B 3063 3063 4.91      
25 B 1768 1768 281.65      
26 B 1504 1504 0.90      
27 B 1500 1500 33.69      
28 B 1417 1417 94.11      
29 B 1276 1276 113.87      
30 B 1206 1206 154.34      
31 B 1076 1076 7.88      
32 B 1016 1016 0.72      
33 B 908 908 22.66      
34 B 809 809 9.31      
35 B 552 552 26.01      
36 B 501 501 1.25      
37 B 415 415 1.22      
38 B 171 171 0.27      
39 B 54 54 10.62      

Unscaled Zero Point Vibrational Energy (zpe) 27011.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 27011.4 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 B2PLYP=FULL/6-311G*
ABC
0.13731 0.06563 0.05168

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.015
C2 0.000 1.232 0.103
C3 0.000 -1.232 0.103
C4 -1.358 1.753 -0.298
C5 1.358 -1.753 -0.298
O6 1.041 1.708 -0.295
O7 -1.041 -1.708 -0.295
H8 -0.897 -0.033 1.633
H9 0.897 0.033 1.633
H10 -1.254 2.512 -1.071
H11 -1.986 0.932 -0.650
H12 -1.858 2.186 0.573
H13 1.254 -2.512 -1.071
H14 1.986 -0.932 -0.650
H15 1.858 -2.186 0.573

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53211.53212.57702.57702.39082.39081.08991.08993.49752.75382.90303.49752.75382.9030
C21.53212.46301.50903.30361.21233.14362.17832.14032.14262.14522.14114.11913.03163.9184
C31.53212.46303.30361.50903.14361.21232.14032.17834.11913.03163.91842.14262.14522.1411
C42.57701.50903.30364.43522.39973.47542.67103.43101.08791.09251.09365.06114.30285.1595
C52.57703.30361.50904.43523.47542.39973.43102.67105.06114.30285.15951.08791.09251.0936
O62.39081.21233.14362.39973.47544.00053.24122.55782.55313.14553.06404.29612.82574.0723
O72.39083.14361.21233.47542.39974.00052.55783.24124.29612.82574.07232.55313.14553.0640
H81.08992.17832.14032.67103.43103.24122.55781.79473.73072.70762.64114.25233.78563.6536
H91.08992.14032.17833.43102.67102.55783.24121.79474.25233.78563.65363.73072.70762.6411
H103.49752.14264.11911.08795.06112.55314.29613.73074.25231.79211.78085.61604.74725.8705
H112.75382.14523.03161.09254.30283.14552.82572.70763.78561.79211.75674.74724.38745.0984
H122.90302.14113.91841.09365.15953.06404.07232.64113.65361.78081.75675.87055.09845.7383
H133.49754.11912.14265.06111.08794.29612.55314.25233.73075.61604.74725.87051.79211.7808
H142.75383.03162.14524.30281.09252.82573.14553.78562.70764.74724.38745.09841.79211.7567
H152.90303.91842.14115.15951.09364.07233.06403.65362.64115.87055.09845.73831.78081.7567

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 115.855 C1 C2 O6 120.736
C1 C3 C5 115.855 C1 C3 O7 120.736
C2 C1 C3 106.987 C2 C1 H8 111.236
C2 C1 H9 108.244 C2 C4 H10 110.132
C2 C4 H11 110.064 C2 C4 H12 109.672
C3 C1 H8 108.244 C3 C1 H9 111.236
C3 C5 H13 110.132 C3 C5 H14 110.064
C3 C5 H15 109.672 C4 C2 O6 123.357
C5 C3 O7 123.357 H8 C1 H9 110.843
H10 C4 H11 110.546 H10 C4 H12 109.426
H11 C4 H12 106.943 H13 C5 H14 110.546
H13 C5 H15 109.426 H14 C5 H15 106.943
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability