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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: HSEh1PBE/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HSEh1PBE/aug-cc-pVTZ
 hartrees
Energy at 0K-345.556666
Energy at 298.15K-345.565144
HF Energy-345.556666
Nuclear repulsion energy297.703130
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 HSEh1PBE/aug-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 3170 3049 5.27      
2 A 3113 2994 3.05      
3 A 3088 2970 1.72      
4 A 3048 2932 0.39      
5 A 1825 1755 21.41      
6 A 1471 1415 10.41      
7 A 1465 1409 15.71      
8 A 1451 1396 6.58      
9 A 1385 1332 6.91      
10 A 1278 1229 19.80      
11 A 1142 1098 1.13      
12 A 1077 1036 0.78      
13 A 940 905 0.85      
14 A 799 768 0.12      
15 A 630 606 1.55      
16 A 492 473 6.21      
17 A 323 310 0.91      
18 A 170 163 0.00      
19 A 143 138 0.90      
20 A 60 58 8.44      
21 B 3170 3049 6.26      
22 B 3160 3039 4.22      
23 B 3113 2994 0.02      
24 B 3048 2932 1.41      
25 B 1795 1726 389.95      
26 B 1465 1409 0.46      
27 B 1457 1401 27.67      
28 B 1382 1329 103.05      
29 B 1250 1203 145.38      
30 B 1196 1151 142.97      
31 B 1060 1020 5.46      
32 B 992 954 1.32      
33 B 899 865 21.21      
34 B 819 788 10.78      
35 B 551 530 26.98      
36 B 502 483 1.39      
37 B 410 394 2.52      
38 B 170 163 0.11      
39 B 51 49 12.32      

Unscaled Zero Point Vibrational Energy (zpe) 26779.9 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 25756.9 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 HSEh1PBE/aug-cc-pVTZ
ABC
0.13916 0.06589 0.05190

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.001
C2 0.000 1.230 0.100
C3 0.000 -1.230 0.100
C4 -1.347 1.746 -0.305
C5 1.347 -1.746 -0.305
O6 1.037 1.715 -0.279
O7 -1.037 -1.715 -0.279
H8 -0.898 -0.031 1.616
H9 0.898 0.031 1.616
H10 -1.245 2.519 -1.063
H11 -1.965 0.923 -0.670
H12 -1.856 2.155 0.572
H13 1.245 -2.519 -1.063
H14 1.965 -0.923 -0.670
H15 1.856 -2.155 0.572

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.52411.52412.56302.56302.37762.37761.08901.08903.48662.74002.87603.48662.74002.8760
C21.52412.45921.49843.29161.20583.14472.16642.13052.13712.13322.12654.11803.01503.8886
C31.52412.45923.29161.49843.14471.20582.13052.16644.11803.01503.88862.13712.13322.1265
C42.56301.49843.29164.41072.38383.47532.65543.41631.08721.09281.09335.04864.26955.1230
C52.56303.29161.49844.41073.47532.38383.41632.65545.04864.26955.12301.08721.09281.0933
O62.37761.20583.14472.38383.47534.00793.22222.53842.54353.12943.04684.31132.82394.0462
O72.37763.14471.20583.47532.38384.00792.53843.22224.31132.82394.04622.54353.12943.0468
H81.08902.16642.13052.65543.41633.22222.53841.79743.71502.69752.60504.23793.77113.6308
H91.08902.13052.16643.41632.65542.53843.22221.79744.23793.77113.63083.71502.69752.6050
H103.48662.13714.11801.08725.04862.54354.31133.71504.23791.79461.78285.62054.72345.8427
H112.74002.13323.01501.09284.26953.12942.82392.69753.77111.79461.75334.72344.34255.0613
H122.87602.12653.88861.09335.12303.04684.04622.60503.63081.78281.75335.84275.06135.6876
H133.48664.11802.13715.04861.08724.31132.54354.23793.71505.62054.72345.84271.79461.7828
H142.74003.01502.13324.26951.09282.82393.12943.77112.69754.72344.34255.06131.79461.7533
H152.87603.88862.12655.12301.09334.04623.04683.63082.60505.84275.06135.68761.78281.7533

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 115.983 C1 C2 O6 120.697
C1 C3 C5 115.983 C1 C3 O7 120.697
C2 C1 C3 107.567 C2 C1 H8 110.906
C2 C1 H9 108.088 C2 C4 H10 110.481
C2 C4 H11 109.837 C2 C4 H12 109.273
C3 C1 H8 108.088 C3 C1 H9 110.906
C3 C5 H13 110.481 C3 C5 H14 109.837
C3 C5 H15 109.273 C4 C2 O6 123.288
C5 C3 O7 123.288 H8 C1 H9 111.236
H10 C4 H11 110.822 H10 C4 H12 109.694
H11 C4 H12 106.648 H13 C5 H14 110.822
H13 C5 H15 109.694 H14 C5 H15 106.648
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.040      
2 C 0.619      
3 C 0.619      
4 C -0.662      
5 C -0.662      
6 O -0.806      
7 O -0.806      
8 H 0.170      
9 H 0.170      
10 H 0.217      
11 H 0.244      
12 H 0.237      
13 H 0.217      
14 H 0.244      
15 H 0.237      


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 1.567 1.567
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.965 -9.913 0.000
y -9.913 -46.152 0.000
z 0.000 0.000 -40.220
Traceless
 xyz
x -0.780 -9.913 0.000
y -9.913 -4.060 0.000
z 0.000 0.000 4.839
Polar
3z2-r29.678
x2-y22.187
xy-9.913
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.766 -0.335 0.000
y -0.335 10.980 0.000
z 0.000 0.000 8.333


<r2> (average value of r2) Å2
<r2> 228.436
(<r2>)1/2 15.114