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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/6-31G
 hartrees
Energy at 0K-345.214159
Energy at 298.15K-345.222637
HF Energy-344.968992
Nuclear repulsion energy293.408865
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 B2PLYP=FULL/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 3191 3191 7.73      
2 A 3135 3135 6.56      
3 A 3102 3102 3.00      
4 A 3065 3065 0.30      
5 A 1695 1695 8.22      
6 A 1536 1536 9.83      
7 A 1535 1535 15.36      
8 A 1521 1521 14.10      
9 A 1457 1457 4.49      
10 A 1310 1310 30.24      
11 A 1180 1180 1.93      
12 A 1119 1119 1.08      
13 A 988 988 0.96      
14 A 800 800 0.05      
15 A 635 635 1.42      
16 A 484 484 7.08      
17 A 331 331 0.84      
18 A 172 172 0.09      
19 A 147 147 1.17      
20 A 56 56 8.93      
21 B 3191 3191 8.28      
22 B 3174 3174 5.87      
23 B 3134 3134 1.42      
24 B 3065 3065 3.54      
25 B 1673 1673 171.87      
26 B 1535 1535 2.58      
27 B 1529 1529 43.62      
28 B 1458 1458 81.78      
29 B 1309 1309 50.33      
30 B 1237 1237 224.37      
31 B 1089 1089 13.41      
32 B 1053 1053 0.94      
33 B 931 931 17.06      
34 B 816 816 7.26      
35 B 544 544 26.85      
36 B 503 503 1.66      
37 B 417 417 1.20      
38 B 170 170 0.58      
39 B 35 35 12.38      

Unscaled Zero Point Vibrational Energy (zpe) 27160.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 27160.4 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 B2PLYP=FULL/6-31G
ABC
0.13447 0.06432 0.05045

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.010
C2 0.000 1.244 0.111
C3 0.000 -1.244 0.111
C4 -1.351 1.763 -0.318
C5 1.351 -1.763 -0.318
O6 1.077 1.747 -0.272
O7 -1.077 -1.747 -0.272
H8 -0.897 -0.022 1.633
H9 0.897 0.022 1.633
H10 -1.229 2.527 -1.087
H11 -1.967 0.938 -0.695
H12 -1.877 2.195 0.542
H13 1.229 -2.527 -1.087
H14 1.967 -0.938 -0.695
H15 1.877 -2.195 0.542

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53411.53412.58762.58762.41992.41991.09271.09273.50642.76672.92613.50642.76672.9261
C21.53412.48711.50953.32391.24913.20172.17282.14782.14382.14732.14834.14323.04613.9414
C31.53412.48713.32391.50953.20171.24912.14782.17284.14323.04613.94142.14382.14732.1483
C42.58761.50953.32394.44182.42783.52122.68273.44851.09091.09611.09695.06504.29465.1794
C52.58763.32391.50954.44183.52122.42783.44852.68275.06504.29465.17941.09091.09611.0969
O62.41991.24913.20172.42783.52124.10463.26432.57672.56723.17713.09664.35402.86074.1044
O72.41993.20171.24913.52122.42784.10462.57673.26434.35402.86074.10442.56723.17713.0966
H81.09272.17282.14782.68273.44853.26432.57671.79533.74242.73572.65814.26613.80293.6897
H91.09272.14782.17283.44852.68272.57673.26431.79534.26613.80293.68973.74242.73572.6581
H103.50642.14384.14321.09095.06502.56724.35403.74244.26611.79471.78415.62074.73065.8827
H112.76672.14733.04611.09614.29463.17712.86072.73573.80291.79471.76554.73064.35805.1112
H122.92612.14833.94141.09695.17943.09664.10442.65813.68971.78411.76555.88275.11125.7769
H133.50644.14322.14385.06501.09094.35402.56724.26613.74245.62074.73065.88271.79471.7841
H142.76673.04612.14734.29461.09612.86073.17713.80292.73574.73064.35805.11121.79471.7655
H152.92613.94142.14835.17941.09694.10443.09663.68972.65815.88275.11125.77691.78411.7655

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 116.461 C1 C2 O6 120.451
C1 C3 C5 116.461 C1 C3 O7 120.451
C2 C1 C3 108.314 C2 C1 H8 110.489
C2 C1 H9 108.531 C2 C4 H10 110.017
C2 C4 H11 109.984 C2 C4 H12 110.011
C3 C1 H8 108.531 C3 C1 H9 110.489
C3 C5 H13 110.017 C3 C5 H14 109.984
C3 C5 H15 110.011 C4 C2 O6 123.028
C5 C3 O7 123.028 H8 C1 H9 110.465
H10 C4 H11 110.293 H10 C4 H12 109.264
H11 C4 H12 107.227 H13 C5 H14 110.293
H13 C5 H15 109.264 H14 C5 H15 107.227
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability