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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: HSEh1PBE/6-31G

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/6-31G
 hartrees
Energy at 0K-345.319145
Energy at 298.15K-345.327672
HF Energy-345.319145
Nuclear repulsion energy295.485190
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/6-31G
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 3205 3066 6.01      
2 A 3143 3006 3.73      
3 A 3112 2977 1.65      
4 A 3066 2933 0.36      
5 A 1767 1691 12.82      
6 A 1517 1451 13.67      
7 A 1514 1449 19.31      
8 A 1500 1435 16.30      
9 A 1441 1378 6.30      
10 A 1315 1258 31.59      
11 A 1177 1126 1.87      
12 A 1112 1063 2.01      
13 A 987 944 0.18      
14 A 814 778 0.01      
15 A 643 615 1.63      
16 A 491 470 6.71      
17 A 334 319 1.02      
18 A 176 168 0.22      
19 A 147 141 1.13      
20 A 59 56 9.41      
21 B 3205 3066 6.07      
22 B 3189 3051 4.06      
23 B 3142 3006 0.35      
24 B 3066 2933 1.89      
25 B 1742 1666 249.22      
26 B 1515 1449 3.91      
27 B 1508 1443 36.55      
28 B 1441 1378 116.05      
29 B 1298 1242 81.15      
30 B 1242 1188 242.94      
31 B 1088 1040 9.54      
32 B 1039 994 0.87      
33 B 935 894 13.80      
34 B 837 801 7.08      
35 B 549 526 28.21      
36 B 511 489 1.44      
37 B 419 401 1.54      
38 B 174 167 0.89      
39 B 36 35 12.88      

Unscaled Zero Point Vibrational Energy (zpe) 27226.5 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 26044.8 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/6-31G
ABC
0.13600 0.06551 0.05133

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.006
C2 0.000 1.234 0.109
C3 0.000 -1.234 0.109
C4 -1.345 1.741 -0.315
C5 1.345 -1.741 -0.315
O6 1.065 1.733 -0.273
O7 -1.065 -1.733 -0.273
H8 -0.898 -0.022 1.627
H9 0.898 0.022 1.627
H10 -1.237 2.503 -1.087
H11 -1.959 0.910 -0.683
H12 -1.873 2.171 0.545
H13 1.237 -2.503 -1.087
H14 1.959 -0.910 -0.683
H15 1.873 -2.171 0.545

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.52531.52532.56592.56592.40302.40301.09261.09263.48952.74222.90423.48952.74222.9042
C21.52532.46791.49863.29211.23713.17572.16552.14032.13832.13812.13944.11433.01073.9105
C31.52532.46793.29211.49863.17571.23712.14032.16554.11433.01073.91052.13832.13812.1394
C42.56591.49863.29214.39972.41073.48542.66083.42921.09061.09661.09715.02734.25225.1379
C52.56593.29211.49864.39973.48542.41073.42922.66085.02734.25225.13791.09061.09661.0971
O62.40301.23713.17572.41073.48544.06883.24782.56282.56063.16123.08164.31722.82044.0698
O72.40303.17571.23713.48542.41074.06882.56283.24784.31722.82044.06982.56063.16123.0816
H81.09262.16552.14032.66083.42923.24782.56281.79713.72302.70812.63264.25273.78073.6703
H91.09262.14032.16553.42922.66082.56283.24781.79714.25273.78073.67033.72302.70812.6326
H103.48952.13834.11431.09065.02732.56064.31723.72304.25271.79511.78325.58414.69365.8467
H112.74222.13813.01071.09664.25223.16122.82042.70813.78071.79511.76214.69364.32075.0685
H122.90422.13943.91051.09715.13793.08164.06982.63263.67031.78321.76215.84675.06855.7347
H133.48954.11432.13835.02731.09064.31722.56064.25273.72305.58414.69365.84671.79511.7832
H142.74223.01072.13814.25221.09662.82043.16123.78072.70814.69364.32075.06851.79511.7621
H152.90423.91052.13945.13791.09714.06983.08163.67032.63265.84675.06855.73471.78321.7621

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 116.102 C1 C2 O6 120.536
C1 C3 C5 116.102 C1 C3 O7 120.536
C2 C1 C3 107.996 C2 C1 H8 110.530
C2 C1 H9 108.552 C2 C4 H10 110.362
C2 C4 H11 109.976 C2 C4 H12 110.052
C3 C1 H8 108.552 C3 C1 H9 110.530
C3 C5 H13 110.362 C3 C5 H14 109.976
C3 C5 H15 110.052 C4 C2 O6 123.300
C5 C3 O7 123.300 H8 C1 H9 110.648
H10 C4 H11 110.310 H10 C4 H12 109.196
H11 C4 H12 106.881 H13 C5 H14 110.310
H13 C5 H15 109.196 H14 C5 H15 106.881
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.448      
2 C 0.361      
3 C 0.361      
4 C -0.558      
5 C -0.558      
6 O -0.410      
7 O -0.410      
8 H 0.209      
9 H 0.209      
10 H 0.206      
11 H 0.217      
12 H 0.199      
13 H 0.206      
14 H 0.217      
15 H 0.199      


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 1.621 1.621
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.952 -10.574 0.000
y -10.574 -46.291 0.000
z 0.000 0.000 -39.988
Traceless
 xyz
x -0.813 -10.574 0.000
y -10.574 -4.321 0.000
z 0.000 0.000 5.134
Polar
3z2-r210.267
x2-y22.338
xy-10.574
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.032 0.033 0.000
y 0.033 8.825 0.000
z 0.000 0.000 6.537


<r2> (average value of r2) Å2
<r2> 230.445
(<r2>)1/2 15.180