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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: B3LYP/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYP/cc-pVDZ
 hartrees
Energy at 0K-345.813638
Energy at 298.15K-345.822113
HF Energy-345.813638
Nuclear repulsion energy295.523320
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 B3LYP/cc-pVDZ
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 3157 3062 6.78      
2 A 3099 3006 5.20      
3 A 3071 2979 3.14      
4 A 3031 2941 0.23      
5 A 1814 1760 23.01      
6 A 1450 1406 6.18      
7 A 1443 1400 17.23      
8 A 1430 1387 6.86      
9 A 1368 1327 6.49      
10 A 1263 1225 23.66      
11 A 1131 1097 1.32      
12 A 1068 1036 0.83      
13 A 934 906 1.41      
14 A 789 766 0.24      
15 A 625 606 1.87      
16 A 487 472 5.76      
17 A 323 313 0.79      
18 A 187 181 0.18      
19 A 144 140 0.77      
20 A 63 62 6.72      
21 B 3157 3062 7.19      
22 B 3144 3050 6.78      
23 B 3099 3006 0.33      
24 B 3031 2940 3.99      
25 B 1788 1734 317.14      
26 B 1443 1400 0.99      
27 B 1435 1392 22.71      
28 B 1367 1326 91.92      
29 B 1241 1204 117.22      
30 B 1184 1148 161.15      
31 B 1055 1023 6.16      
32 B 987 958 0.44      
33 B 893 866 23.04      
34 B 805 781 10.02      
35 B 545 529 27.44      
36 B 501 486 1.02      
37 B 414 402 1.17      
38 B 187 181 0.61      
39 B 43 41 10.07      

Unscaled Zero Point Vibrational Energy (zpe) 26597.3 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 25799.4 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 B3LYP/cc-pVDZ
ABC
0.13705 0.06506 0.05128

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.012
C2 0.000 1.238 0.102
C3 0.000 -1.238 0.102
C4 -1.360 1.766 -0.291
C5 1.360 -1.766 -0.291
O6 1.043 1.711 -0.302
O7 -1.043 -1.711 -0.302
H8 -0.906 -0.033 1.633
H9 0.906 0.033 1.633
H10 -1.260 2.540 -1.063
H11 -1.991 0.935 -0.648
H12 -1.863 2.189 0.596
H13 1.260 -2.540 -1.063
H14 1.991 -0.935 -0.648
H15 1.863 -2.189 0.596

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53641.53642.58222.58222.39612.39611.09871.09873.51402.75552.90443.51402.75552.9044
C21.53642.47601.51103.32111.21413.15372.18622.14852.15462.14892.14904.14993.04113.9317
C31.53642.47603.32111.51103.15371.21412.14852.18624.14993.04113.93172.15462.14892.1490
C42.58221.51103.32114.45832.40313.49152.67333.44101.09771.10281.10375.09984.31885.1786
C52.58223.32111.51104.45833.49152.40313.44102.67335.09984.31885.17861.09771.10281.1037
O62.39611.21413.15372.40313.49154.00683.25312.56502.56323.15013.07834.32412.83174.0851
O72.39613.15371.21413.49152.40314.00682.56503.25314.32412.83174.08512.56323.15013.0783
H81.09872.18622.14852.67333.44103.25312.56501.81273.74402.70492.63254.27183.79553.6592
H91.09872.14852.18623.44102.67332.56503.25311.81274.27183.79553.65923.74402.70492.6325
H103.51402.15464.14991.09775.09982.56324.32413.74404.27181.81201.79945.67154.77715.9053
H112.75552.14893.04111.10284.31883.15012.83172.70493.79551.81201.77064.77714.39915.1144
H122.90442.14903.93171.10375.17863.07834.08512.63253.65921.79941.77065.90535.11445.7488
H133.51404.14992.15465.09981.09774.32412.56324.27183.74405.67154.77715.90531.81201.7994
H142.75553.04112.14894.31881.10282.83173.15013.79552.70494.77714.39915.11441.81201.7706
H152.90443.93172.14905.17861.10374.08513.07833.65922.63255.90535.11445.74881.79941.7706

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 115.842 C1 C2 O6 120.736
C1 C3 C5 115.842 C1 C3 O7 120.736
C2 C1 C3 107.373 C2 C1 H8 111.035
C2 C1 H9 108.091 C2 C4 H10 110.361
C2 C4 H11 109.606 C2 C4 H12 109.561
C3 C1 H8 108.091 C3 C1 H9 111.035
C3 C5 H13 110.361 C3 C5 H14 109.606
C3 C5 H15 109.561 C4 C2 O6 123.363
C5 C3 O7 123.363 H8 C1 H9 111.162
H10 C4 H11 110.862 H10 C4 H12 109.650
H11 C4 H12 106.727 H13 C5 H14 110.862
H13 C5 H15 109.650 H14 C5 H15 106.727
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.041      
2 C 0.001      
3 C 0.001      
4 C 0.007      
5 C 0.007      
6 O -0.198      
7 O -0.198      
8 H 0.024      
9 H 0.024      
10 H 0.039      
11 H 0.057      
12 H 0.049      
13 H 0.039      
14 H 0.057      
15 H 0.049      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.493 1.493
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.437 -8.625 0.000
y -8.625 -45.191 0.000
z 0.000 0.000 -40.290
Traceless
 xyz
x -0.696 -8.625 0.000
y -8.625 -3.328 0.000
z 0.000 0.000 4.024
Polar
3z2-r28.047
x2-y21.755
xy-8.625
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.475 -0.538 0.000
y -0.538 9.547 0.000
z 0.000 0.000 7.201


<r2> (average value of r2) Å2
<r2> 230.900
(<r2>)1/2 15.195