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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: HF/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HF/TZVP
 hartrees
Energy at 0K-343.845435
Energy at 298.15K-343.854203
HF Energy-343.845435
Nuclear repulsion energy297.605952
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 HF/TZVP
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 3289 2988 10.26      
2 A 3239 2943 15.76      
3 A 3223 2929 5.00      
4 A 3176 2886 1.42      
5 A 1992 1810 35.77      
6 A 1608 1461 9.39      
7 A 1596 1451 16.98      
8 A 1585 1440 4.28      
9 A 1528 1388 4.15      
10 A 1381 1255 26.49      
11 A 1248 1134 1.31      
12 A 1187 1078 0.44      
13 A 1022 929 1.41      
14 A 846 769 0.08      
15 A 677 615 0.52      
16 A 531 482 12.38      
17 A 340 309 0.72      
18 A 167 152 0.95      
19 A 155 140 1.04      
20 A 45 41 10.18      
21 B 3289 2988 14.06      
22 B 3283 2983 11.88      
23 B 3239 2943 2.70      
24 B 3176 2886 6.82      
25 B 1968 1788 469.59      
26 B 1596 1450 1.43      
27 B 1588 1442 26.89      
28 B 1528 1388 62.72      
29 B 1419 1290 86.52      
30 B 1299 1180 141.10      
31 B 1159 1053 6.05      
32 B 1095 994 0.99      
33 B 984 894 9.11      
34 B 857 779 2.00      
35 B 596 541 27.94      
36 B 545 495 10.37      
37 B 435 396 2.54      
38 B 161 146 0.01      
39 B 53 49 14.37      

Unscaled Zero Point Vibrational Energy (zpe) 28551.7 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 25942.1 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 HF/TZVP
ABC
0.14266 0.06413 0.05096

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/TZVP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.979
C2 0.000 1.242 0.091
C3 0.000 -1.242 0.091
C4 -1.345 1.808 -0.283
C5 1.345 -1.808 -0.283
O6 1.023 1.711 -0.287
O7 -1.023 -1.711 -0.287
H8 -0.887 -0.030 1.596
H9 0.887 0.030 1.596
H10 -1.226 2.589 -1.019
H11 -1.988 1.022 -0.664
H12 -1.820 2.215 0.605
H13 1.226 -2.589 -1.019
H14 1.988 -1.022 -0.664
H15 1.820 -2.215 0.605

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.52761.52762.58302.58302.36202.36201.08121.08123.49282.77472.89083.49282.77472.8908
C21.52762.48491.50643.35451.18683.14862.16202.12692.13252.13792.12624.17303.10653.9405
C31.52762.48493.35451.50643.14861.18682.12692.16204.17303.10653.94052.13252.13792.1262
C42.58301.50643.35454.50662.36983.53382.66853.41721.08001.08401.08595.14604.38905.1947
C52.58303.35451.50644.50663.53382.36983.41722.66855.14604.38905.19471.08001.08401.0859
O62.36201.18683.14862.36983.53383.98723.19842.52822.52203.11133.02114.36692.92354.1043
O72.36203.14861.18683.53382.36983.98722.52823.19844.36692.92354.10432.52203.11133.0211
H81.08122.16202.12692.66853.41723.19842.52821.77593.71712.72582.62554.22533.78983.6171
H91.08122.12692.16203.41722.66852.52823.19841.77594.22533.78983.61713.71712.72582.6255
H103.49282.13254.17301.08005.14602.52204.36693.71714.22531.77811.76925.72874.84705.9149
H112.77472.13793.10651.08404.38903.11132.92352.72583.78981.77811.74954.84704.47075.1561
H122.89082.12623.94051.08595.19473.02114.10432.62553.61711.76921.74955.91495.15615.7328
H133.49284.17302.13255.14601.08004.36692.52204.22533.71715.72874.84705.91491.77811.7692
H142.77473.10652.13794.38901.08402.92353.11133.78982.72584.84704.47075.15611.77811.7495
H152.89083.94052.12625.19471.08594.10433.02113.61712.62555.91495.15615.73281.76921.7495

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 116.720 C1 C2 O6 120.442
C1 C3 C5 116.720 C1 C3 O7 120.442
C2 C1 C3 108.847 C2 C1 H8 110.780
C2 C1 H9 108.007 C2 C4 H10 109.978
C2 C4 H11 110.172 C2 C4 H12 109.131
C3 C1 H8 108.007 C3 C1 H9 110.780
C3 C5 H13 109.978 C3 C5 H14 110.172
C3 C5 H15 109.131 C4 C2 O6 122.832
C5 C3 O7 122.832 H8 C1 H9 110.417
H10 C4 H11 110.506 H10 C4 H12 109.539
H11 C4 H12 107.466 H13 C5 H14 110.506
H13 C5 H15 109.539 H14 C5 H15 107.466
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.121      
2 C 0.267      
3 C 0.267      
4 C -0.326      
5 C -0.326      
6 O -0.366      
7 O -0.366      
8 H 0.123      
9 H 0.123      
10 H 0.125      
11 H 0.131      
12 H 0.107      
13 H 0.125      
14 H 0.131      
15 H 0.107      


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 1.819 1.819
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.841 -10.697 0.000
y -10.697 -46.699 0.000
z 0.000 0.000 -40.309
Traceless
 xyz
x -1.337 -10.697 0.000
y -10.697 -4.124 0.000
z 0.000 0.000 5.461
Polar
3z2-r210.921
x2-y21.858
xy-10.697
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.235 0.024 0.000
y 0.024 8.862 0.000
z 0.000 0.000 7.177


<r2> (average value of r2) Å2
<r2> 231.834
(<r2>)1/2 15.226