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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 energy239.374232
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
(Å4/u)
Dep P Dep U
1 A1 3170 3021 26.20      
2 A1 3090 2945 2.63      
3 A1 3060 2917 24.17      
4 A1 1848 1761 113.11      
5 A1 1525 1453 8.28      
6 A1 1489 1419 14.73      
7 A1 1440 1372 13.98      
8 A1 1372 1308 5.49      
9 A1 1136 1083 1.56      
10 A1 1041 993 2.86      
11 A1 800 763 2.01      
12 A1 414 395 0.38      
13 A1 195 186 0.58      
14 A2 3175 3027 0.00      
15 A2 3086 2941 0.00      
16 A2 1519 1448 0.00      
17 A2 1275 1216 0.00      
18 A2 1010 962 0.00      
19 A2 717 683 0.00      
20 A2 205 195 0.00      
21 A2 36 34 0.00      
22 B1 3176 3027 36.17      
23 B1 3096 2951 18.28      
24 B1 1520 1448 14.99      
25 B1 1320 1258 0.72      
26 B1 1151 1097 0.13      
27 B1 830 791 13.35      
28 B1 469 447 0.12      
29 B1 180 172 0.27      
30 B1 70 66 0.17      
31 B2 3170 3021 13.70      
32 B2 3089 2944 39.25      
33 B2 3051 2908 11.93      
34 B2 1525 1454 12.76      
35 B2 1476 1406 3.21      
36 B2 1440 1372 0.00      
37 B2 1415 1349 42.61      
38 B2 1158 1103 61.57      
39 B2 1028 980 12.55      
40 B2 993 946 15.45      
41 B2 632 602 3.96      
42 B2 310 296 13.50      

Unscaled Zero Point Vibrational Energy (zpe) 31349.3 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 29879.0 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
0.29854 0.06552 0.05594

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 0.137
C6 0.000 -2.536 0.137
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 2.556 0.786
H13 0.880 2.556 0.786
H14 0.000 -3.441 -0.478
H15 0.880 -2.556 0.786
H16 -0.880 -2.556 0.786

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.21332.38992.38992.78012.78013.09423.09423.09423.09423.86272.74792.74793.86272.74792.7479
C21.21331.51781.51782.53672.53672.13092.13092.13092.13093.48342.79852.79853.48342.79852.7985
C32.38991.51782.58251.51903.92481.09981.09982.79202.79202.16502.16472.16474.73924.22964.2296
C42.38991.51782.58253.92481.51902.79202.79201.09981.09984.73924.22964.22962.16502.16472.1647
C52.78012.53671.51903.92485.07132.17352.17354.20204.20201.09451.09371.09376.00825.20815.2081
C62.78012.53673.92481.51905.07134.20204.20202.17352.17356.00825.20815.20811.09451.09371.0937
H73.09422.13091.09982.79202.17354.20201.74433.08962.55022.51183.08352.53734.88464.41324.7483
H83.09422.13091.09982.79202.17354.20201.74432.55023.08962.51182.53733.08354.88464.74834.4132
H93.09422.13092.79201.09984.20202.17353.08962.55021.74434.88464.41324.74832.51183.08352.5373
H103.09422.13092.79201.09984.20202.17352.55023.08961.74434.88464.74834.41322.51182.53733.0835
H113.86273.48342.16504.73921.09456.00822.51182.51184.88464.88461.77621.77626.88206.19206.1920
H122.74792.79852.16474.22961.09375.20813.08352.53734.41324.74831.77621.76026.19205.40735.1128
H132.74792.79852.16474.22961.09375.20812.53733.08354.74834.41321.77621.76026.19205.11285.4073
H143.86273.48344.73922.16506.00821.09454.88464.88462.51182.51186.88206.19206.19201.77621.7762
H152.74792.79854.22962.16475.20811.09374.41324.74833.08352.53736.19205.40735.11281.77621.7602
H162.74792.79854.22962.16475.20811.09374.74834.41322.53733.08356.19205.11285.40731.77621.7602

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 121.711 O1 C2 C4 121.711
C2 C3 C5 113.297 C2 C3 H7 107.917
C2 C3 H8 107.917 C2 C4 C6 113.297
C2 C4 H9 107.917 C2 C4 H10 107.917
C3 C2 C4 116.579 C3 C5 H11 110.821
C3 C5 H12 110.843 C3 C5 H13 110.843
C4 C6 H14 110.821 C4 C6 H15 110.843
C4 C6 H16 110.843 C5 C3 H7 111.181
C5 C3 H8 111.181 C6 C4 H9 111.181
C6 C4 H10 111.181 H7 C3 H8 104.930
H9 C4 H10 104.930 H11 C5 H12 108.527
H11 C5 H13 108.527 H12 C5 H13 107.162
H14 C6 H15 108.527 H14 C6 H16 108.527
H15 C6 H16 107.162
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 -36.510 0.000 0.000
y 0.000 -36.489 0.000
z 0.000 0.000 -40.433
Traceless
 xyz
x 1.951 0.000 0.000
y 0.000 1.982 0.000
z 0.000 0.000 -3.933
Polar
3z2-r2-7.866
x2-y2-0.021
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 8.209


<r2> (average value of r2) Å2
<r2> 213.818
(<r2>)1/2 14.623