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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: B3LYP/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-345.745560
Energy at 298.15K-345.753901
HF Energy-345.745560
Nuclear repulsion energy292.290160
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/LANL2DZ
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 3181 3058 11.08      
2 A 3123 3002 12.18      
3 A 3097 2977 6.05      
4 A 3044 2926 0.54      
5 A 1700 1634 12.93      
6 A 1501 1443 0.08      
7 A 1497 1439 38.28      
8 A 1486 1428 16.85      
9 A 1425 1370 4.29      
10 A 1290 1240 31.37      
11 A 1157 1113 2.68      
12 A 1091 1049 1.87      
13 A 966 928 0.19      
14 A 790 759 0.00      
15 A 623 599 1.89      
16 A 477 458 6.43      
17 A 326 313 1.05      
18 A 158 152 0.01      
19 A 142 137 1.12      
20 A 53 51 10.33      
21 B 3182 3058 11.58      
22 B 3174 3051 10.82      
23 B 3122 3001 2.81      
24 B 3044 2926 4.03      
25 B 1675 1610 274.68      
26 B 1498 1440 3.53      
27 B 1492 1434 51.57      
28 B 1424 1369 114.14      
29 B 1286 1236 76.30      
30 B 1221 1174 247.69      
31 B 1074 1032 9.04      
32 B 1023 983 1.40      
33 B 927 891 17.82      
34 B 813 781 7.08      
35 B 541 520 27.14      
36 B 499 480 2.57      
37 B 410 394 2.22      
38 B 158 152 0.39      
39 B 35 34 12.97      

Unscaled Zero Point Vibrational Energy (zpe) 26862.1 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 25819.8 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 B3LYP/LANL2DZ
ABC
0.13431 0.06336 0.04975

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.004
C2 0.000 1.252 0.105
C3 0.000 -1.252 0.105
C4 -1.355 1.779 -0.321
C5 1.355 -1.779 -0.321
O6 1.077 1.765 -0.263
O7 -1.077 -1.765 -0.263
H8 -0.901 -0.022 1.626
H9 0.901 0.022 1.626
H10 -1.243 2.539 -1.098
H11 -1.987 0.956 -0.682
H12 -1.869 2.222 0.544
H13 1.243 -2.539 -1.098
H14 1.987 -0.956 -0.682
H15 1.869 -2.222 0.544

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.54121.54122.59972.59972.42482.42481.09421.09423.52302.77602.94013.52302.77602.9401
C21.54122.50361.51563.34711.24813.22392.17802.15302.15622.15742.15124.16693.07303.9692
C31.54122.50363.34711.51563.22391.24812.15302.17804.16693.07303.96922.15622.15742.1512
C42.59971.51563.34714.47262.43283.55472.69043.45931.09301.09771.09945.09864.33375.2109
C52.59973.34711.51564.47263.55472.43283.45932.69045.09864.33375.21091.09301.09771.0994
O62.42481.24813.22392.43283.55474.13413.26612.57622.58363.19563.08844.38692.89964.1440
O72.42483.22391.24813.55472.43284.13412.57623.26614.38692.89964.14402.58363.19563.0884
H81.09422.17802.15302.69043.45933.26612.57621.80163.75412.73182.67274.28363.81263.6992
H91.09422.15302.17803.45932.69042.57623.26611.80164.28363.81263.69923.75412.73182.6727
H103.52302.15624.16691.09305.09862.58364.38693.75414.28361.79761.78585.65344.77685.9200
H112.77602.15743.07301.09774.33373.19562.89962.73183.81261.79761.76604.77684.40975.1452
H122.94012.15123.96921.09945.21093.08844.14402.67273.69921.78581.76605.92005.14525.8075
H133.52304.16692.15625.09861.09304.38692.58364.28363.75415.65344.77685.92001.79761.7858
H142.77603.07302.15744.33371.09772.89963.19563.81262.73184.77684.40975.14521.79761.7660
H152.94013.96922.15125.21091.09944.14403.08843.69922.67275.92005.14525.80751.78581.7660

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 116.524 C1 C2 O6 120.396
C1 C3 C5 116.524 C1 C3 O7 120.396
C2 C1 C3 108.629 C2 C1 H8 110.318
C2 C1 H9 108.366 C2 C4 H10 110.457
C2 C4 H11 110.267 C2 C4 H12 109.677
C3 C1 H8 108.366 C3 C1 H9 110.318
C3 C5 H13 110.457 C3 C5 H14 110.267
C3 C5 H15 109.677 C4 C2 O6 123.058
C5 C3 O7 123.058 H8 C1 H9 110.821
H10 C4 H11 110.283 H10 C4 H12 109.092
H11 C4 H12 106.993 H13 C5 H14 110.283
H13 C5 H15 109.092 H14 C5 H15 106.993
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.493      
2 C 0.242      
3 C 0.242      
4 C -0.711      
5 C -0.711      
6 O -0.235      
7 O -0.235      
8 H 0.228      
9 H 0.228      
10 H 0.242      
11 H 0.252      
12 H 0.227      
13 H 0.242      
14 H 0.252      
15 H 0.227      


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 1.659 1.659
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.547 -11.404 0.000
y -11.404 -46.946 0.000
z 0.000 0.000 -39.954
Traceless
 xyz
x -1.097 -11.404 0.000
y -11.404 -4.695 0.000
z 0.000 0.000 5.792
Polar
3z2-r211.584
x2-y22.398
xy-11.404
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.201 0.164 0.000
y 0.164 9.101 0.000
z 0.000 0.000 6.598


<r2> (average value of r2) Å2
<r2> 236.491
(<r2>)1/2 15.378