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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: B1B95/aug-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 B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-345.688277
Energy at 298.15K-345.696763
HF Energy-345.688277
Nuclear repulsion energy297.435700
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 B1B95/aug-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 3200 3065 5.91      
2 A 3139 3007 3.99      
3 A 3109 2978 2.39      
4 A 3064 2935 0.48      
5 A 1826 1749 21.15      
6 A 1453 1392 15.83      
7 A 1446 1385 8.24      
8 A 1432 1372 8.58      
9 A 1375 1317 7.89      
10 A 1275 1221 16.96      
11 A 1132 1084 0.70      
12 A 1063 1018 0.56      
13 A 939 900 0.55      
14 A 802 768 0.11      
15 A 627 600 1.49      
16 A 487 466 6.91      
17 A 318 305 0.91      
18 A 172 165 0.00      
19 A 146 139 0.76      
20 A 58 55 8.54      
21 B 3200 3065 7.02      
22 B 3190 3056 4.66      
23 B 3139 3007 0.15      
24 B 3063 2934 1.77      
25 B 1796 1721 382.86      
26 B 1448 1387 1.58      
27 B 1437 1377 24.72      
28 B 1370 1312 111.91      
29 B 1241 1188 201.31      
30 B 1191 1141 69.88      
31 B 1049 1005 3.93      
32 B 977 936 1.18      
33 B 900 862 14.31      
34 B 824 790 8.49      
35 B 543 520 27.76      
36 B 499 478 2.16      
37 B 403 386 2.41      
38 B 170 163 0.08      
39 B 72 69 12.19      

Unscaled Zero Point Vibrational Energy (zpe) 26786.5 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 25658.8 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 B1B95/aug-cc-pVDZ
ABC
0.13849 0.06606 0.05201

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.008
C2 0.000 1.226 0.103
C3 0.000 -1.226 0.103
C4 -1.344 1.746 -0.309
C5 1.344 -1.746 -0.309
O6 1.043 1.708 -0.280
O7 -1.043 -1.708 -0.280
H8 -0.903 -0.032 1.622
H9 0.903 0.032 1.622
H10 -1.237 2.514 -1.077
H11 -1.968 0.917 -0.665
H12 -1.850 2.167 0.570
H13 1.237 -2.514 -1.077
H14 1.968 -0.917 -0.665
H15 1.850 -2.167 0.570

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.52401.52402.56692.56692.37982.37981.09301.09303.49192.74092.88283.49192.74092.8828
C21.52402.45201.49903.28781.21093.13762.16962.13372.13982.13492.12754.11163.00943.8929
C31.52402.45203.28781.49903.13761.21092.13372.16964.11163.00943.89292.13982.13492.1275
C42.56691.49903.28784.40742.38773.46782.66143.42351.09121.09671.09755.03974.26555.1273
C52.56693.28781.49904.40743.46782.38773.42352.66145.03974.26555.12731.09121.09671.0975
O62.37981.21093.13762.38773.46784.00303.22992.53962.54573.13683.04944.30102.81064.0490
O72.37983.13761.21093.46782.38774.00302.53963.22994.30102.81064.04902.54573.13683.0494
H81.09302.16962.13372.66143.42353.22992.53961.80753.72482.69562.61514.24573.77643.6398
H91.09302.13372.16963.42352.66142.53963.22991.80754.24573.77643.63983.72482.69562.6151
H103.49192.13984.11161.09125.03972.54574.30103.72484.24571.80331.79075.60304.71325.8438
H112.74092.13493.00941.09674.26553.13682.81062.69563.77641.80331.76104.71324.34285.0613
H122.88282.12753.89291.09755.12733.04944.04902.61513.63981.79071.76105.84385.06135.6987
H133.49194.11162.13985.03971.09124.30102.54574.24573.72485.60304.71325.84381.80331.7907
H142.74093.00942.13494.26551.09672.81063.13683.77642.69564.71324.34285.06131.80331.7610
H152.88283.89292.12755.12731.09754.04903.04943.63982.61515.84385.06135.69871.79071.7610

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 116.233 C1 C2 O6 120.531
C1 C3 C5 116.233 C1 C3 O7 120.531
C2 C1 C3 107.124 C2 C1 H8 110.932
C2 C1 H9 108.109 C2 C4 H10 110.413
C2 C4 H11 109.694 C2 C4 H12 109.064
C3 C1 H8 108.109 C3 C1 H9 110.932
C3 C5 H13 110.413 C3 C5 H14 109.694
C3 C5 H15 109.064 C4 C2 O6 123.202
C5 C3 O7 123.202 H8 C1 H9 111.554
H10 C4 H11 111.023 H10 C4 H12 109.807
H11 C4 H12 106.754 H13 C5 H14 111.023
H13 C5 H15 109.807 H14 C5 H15 106.754
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.019      
2 C 0.224      
3 C 0.224      
4 C 0.561      
5 C 0.561      
6 O -0.604      
7 O -0.604      
8 H -0.372      
9 H -0.372      
10 H -0.195      
11 H -0.118      
12 H -0.004      
13 H -0.195      
14 H -0.118      
15 H -0.004      


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 1.583 1.583
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.095 -9.941 0.000
y -9.941 -46.086 0.000
z 0.000 0.000 -40.198
Traceless
 xyz
x -0.953 -9.941 0.000
y -9.941 -3.940 0.000
z 0.000 0.000 4.893
Polar
3z2-r29.786
x2-y21.991
xy-9.941
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.785 -0.317 0.000
y -0.317 10.951 0.000
z 0.000 0.000 8.329


<r2> (average value of r2) Å2
<r2> 228.282
(<r2>)1/2 15.109