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All results from a given calculation for C5H10O (3-Pentanone)

using model chemistry: PBE1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBE1PBE/6-31G*
 hartrees
Energy at 0K-271.458501
Energy at 298.15K 
HF Energy-271.458501
Nuclear repulsion energy239.374830
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 PBE1PBE/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 A1 3170 3012 26.25      
2 A1 3090 2936 2.64      
3 A1 3061 2908 24.17      
4 A1 1848 1757 113.25      
5 A1 1525 1449 8.30      
6 A1 1489 1415 14.66      
7 A1 1440 1369 14.03      
8 A1 1372 1304 5.52      
9 A1 1137 1080 1.55      
10 A1 1042 990 2.88      
11 A1 800 760 2.02      
12 A1 414 393 0.38      
13 A1 195 185 0.58      
14 A2 3175 3018 0.00      
15 A2 3086 2932 0.00      
16 A2 1520 1444 0.00      
17 A2 1275 1212 0.00      
18 A2 1010 959 0.00      
19 A2 717 681 0.00      
20 A2 204 194 0.00      
21 A2 33 31 0.00      
22 B1 3176 3018 36.25      
23 B1 3096 2942 18.26      
24 B1 1520 1444 15.01      
25 B1 1320 1255 0.71      
26 B1 1151 1094 0.13      
27 B1 830 788 13.38      
28 B1 469 445 0.12      
29 B1 180 171 0.27      
30 B1 69 66 0.17      
31 B2 3169 3012 13.70      
32 B2 3089 2936 39.26      
33 B2 3052 2900 11.98      
34 B2 1525 1449 12.74      
35 B2 1476 1402 3.18      
36 B2 1440 1368 0.00      
37 B2 1415 1345 42.59      
38 B2 1158 1100 61.41      
39 B2 1028 977 12.77      
40 B2 993 944 15.49      
41 B2 632 601 3.94      
42 B2 310 295 13.50      

Unscaled Zero Point Vibrational Energy (zpe) 31347.8 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 29789.8 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 PBE1PBE/6-31G*
ABC
0.29853 0.06552 0.05593

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.277
C2 0.000 0.000 0.064
C3 0.000 1.291 -0.734
C4 0.000 -1.291 -0.734
C5 0.000 2.536 0.136
C6 0.000 -2.536 0.136
H7 0.872 1.275 -1.404
H8 -0.872 1.275 -1.404
H9 -0.872 -1.275 -1.404
H10 0.872 -1.275 -1.404
H11 0.000 3.441 -0.478
H12 -0.880 2.557 0.785
H13 0.880 2.557 0.785
H14 0.000 -3.441 -0.478
H15 0.880 -2.557 0.785
H16 -0.880 -2.557 0.785

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.21322.39012.39012.78062.78063.09423.09423.09423.09423.86322.74842.74843.86322.74842.7484
C21.21321.51791.51792.53682.53682.13082.13082.13082.13083.48372.79862.79863.48372.79862.7986
C32.39011.51792.58231.51873.92471.09981.09982.79152.79152.16522.16462.16464.73934.22974.2297
C42.39011.51792.58233.92471.51872.79152.79151.09981.09984.73934.22974.22972.16522.16462.1646
C52.78062.53681.51873.92475.07152.17342.17344.20144.20141.09451.09371.09376.00855.20875.2087
C62.78062.53683.92471.51875.07154.20144.20142.17342.17346.00855.20875.20871.09451.09371.0937
H73.09422.13081.09982.79152.17344.20141.74413.08882.54932.51233.08342.53734.88434.41294.7480
H83.09422.13081.09982.79152.17344.20141.74412.54933.08882.51232.53733.08344.88434.74804.4129
H93.09422.13082.79151.09984.20142.17343.08882.54931.74414.88434.41294.74802.51233.08342.5373
H103.09422.13082.79151.09984.20142.17342.54933.08881.74414.88434.74804.41292.51232.53733.0834
H113.86323.48372.16524.73931.09456.00852.51232.51234.88434.88431.77591.77596.88256.19266.1926
H122.74842.79862.16464.22971.09375.20873.08342.53734.41294.74801.77591.76016.19265.40815.1137
H132.74842.79862.16464.22971.09375.20872.53733.08344.74804.41291.77591.76016.19265.11375.4081
H143.86323.48374.73932.16526.00851.09454.88434.88432.51232.51236.88256.19266.19261.77591.7759
H152.74842.79864.22972.16465.20871.09374.41294.74803.08342.53736.19265.40815.11371.77591.7601
H162.74842.79864.22972.16465.20871.09374.74804.41292.53733.08346.19265.11375.40811.77591.7601

picture of 3-Pentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 121.722 O1 C2 C4 121.722
C2 C3 C5 113.310 C2 C3 H7 107.908
C2 C3 H8 107.908 C2 C4 C6 113.310
C2 C4 H9 107.908 C2 C4 H10 107.908
C3 C2 C4 116.556 C3 C5 H11 110.860
C3 C5 H12 110.851 C3 C5 H13 110.851
C4 C6 H14 110.860 C4 C6 H15 110.851
C4 C6 H16 110.851 C5 C3 H7 111.188
C5 C3 H8 111.188 C6 C4 H9 111.188
C6 C4 H10 111.188 H7 C3 H8 104.919
H9 C4 H10 104.919 H11 C5 H12 108.504
H11 C5 H13 108.504 H12 C5 H13 107.149
H14 C6 H15 108.504 H14 C6 H16 108.504
H15 C6 H16 107.149
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.440      
2 C 0.460      
3 C -0.421      
4 C -0.421      
5 C -0.514      
6 C -0.514      
7 H 0.189      
8 H 0.189      
9 H 0.189      
10 H 0.189      
11 H 0.169      
12 H 0.189      
13 H 0.189      
14 H 0.169      
15 H 0.189      
16 H 0.189      


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 -2.599 2.599
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.512 0.000 0.000
y 0.000 -36.485 0.000
z 0.000 0.000 -40.435
Traceless
 xyz
x 1.949 0.000 0.000
y 0.000 1.988 0.000
z 0.000 0.000 -3.937
Polar
3z2-r2-7.874
x2-y2-0.026
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.631 0.000 0.000
y 0.000 9.333 0.000
z 0.000 0.000 8.208


<r2> (average value of r2) Å2
<r2> 213.828
(<r2>)1/2 14.623