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

using model chemistry: PBEPBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/STO-3G
 hartrees
Energy at 0K-268.027815
Energy at 298.15K 
HF Energy-268.027815
Nuclear repulsion energy232.798801
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 PBEPBE/STO-3G
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 3420 3125 1.46      
2 A1 3258 2977 1.63      
3 A1 3253 2972 0.10      
4 A1 1807 1651 22.34      
5 A1 1646 1504 7.46      
6 A1 1607 1468 5.76      
7 A1 1531 1398 3.37      
8 A1 1411 1289 0.75      
9 A1 1167 1066 1.47      
10 A1 1065 973 1.40      
11 A1 789 721 4.86      
12 A1 390 357 0.00      
13 A1 171 156 0.25      
14 A2 3423 3127 0.00      
15 A2 3353 3064 0.00      
16 A2 1639 1497 0.00      
17 A2 1337 1221 0.00      
18 A2 1064 972 0.00      
19 A2 772 705 0.00      
20 A2 170 156 0.00      
21 A2 33 30 0.00      
22 B1 3423 3127 2.73      
23 B1 3357 3067 1.17      
24 B1 1639 1497 7.47      
25 B1 1356 1239 0.08      
26 B1 1171 1070 0.07      
27 B1 851 777 15.57      
28 B1 456 417 0.56      
29 B1 139 127 0.01      
30 B1 53 49 0.04      
31 B2 3420 3125 0.53      
32 B2 3256 2974 11.58      
33 B2 3252 2971 0.63      
34 B2 1646 1504 3.37      
35 B2 1603 1464 0.71      
36 B2 1530 1398 0.01      
37 B2 1425 1302 6.11      
38 B2 1164 1064 54.19      
39 B2 1061 969 6.39      
40 B2 1005 918 43.00      
41 B2 601 549 0.89      
42 B2 264 241 3.29      

Unscaled Zero Point Vibrational Energy (zpe) 32988.2 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 30138.1 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 PBEPBE/STO-3G
ABC
0.27412 0.06230 0.05281

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.365
C2 0.000 0.000 0.105
C3 0.000 1.320 -0.762
C4 0.000 -1.320 -0.762
C5 0.000 2.604 0.109
C6 0.000 -2.604 0.109
H7 0.892 1.299 -1.425
H8 -0.892 1.299 -1.425
H9 -0.892 -1.299 -1.425
H10 0.892 -1.299 -1.425
H11 0.000 3.508 -0.528
H12 -0.895 2.632 0.759
H13 0.895 2.632 0.759
H14 0.000 -3.508 -0.528
H15 0.895 -2.632 0.759
H16 -0.895 -2.632 0.759

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.25962.50352.50352.89122.89123.20413.20413.20413.20413.98642.84492.84493.98642.84492.8449
C21.25961.57981.57982.60422.60422.19662.19662.19662.19663.56492.85532.85533.56492.85532.8553
C32.50351.57982.64091.55144.02021.11131.11132.84572.84572.20022.19812.19814.83434.32804.3280
C42.50351.57982.64094.02021.55142.84572.84571.11131.11134.83434.32804.32802.20022.19812.1981
C52.89122.60421.55144.02025.20842.20252.20254.28794.28791.10621.10581.10586.14555.35135.3513
C62.89122.60424.02021.55145.20844.28794.28792.20252.20256.14555.35135.35131.10621.10581.1058
H73.20412.19661.11132.84572.20254.28791.78343.15182.59872.54523.11982.55794.97104.49674.8385
H83.20412.19661.11132.84572.20254.28791.78342.59873.15182.54522.55793.11984.97104.83854.4967
H93.20412.19662.84571.11134.28792.20253.15182.59871.78344.97104.49674.83852.54523.11982.5579
H103.20412.19662.84571.11134.28792.20252.59873.15181.78344.97104.83854.49672.54522.55793.1198
H113.98643.56492.20024.83431.10626.14552.54522.54524.97104.97101.79571.79577.01636.33676.3367
H122.84492.85532.19814.32801.10585.35133.11982.55794.49674.83851.79571.78906.33675.55915.2634
H132.84492.85532.19814.32801.10585.35132.55793.11984.83854.49671.79571.78906.33675.26345.5591
H143.98643.56494.83432.20026.14551.10624.97104.97102.54522.54527.01636.33676.33671.79571.7957
H152.84492.85534.32802.19815.35131.10584.49674.83853.11982.55796.33675.55915.26341.79571.7890
H162.84492.85534.32802.19815.35131.10584.83854.49672.55793.11986.33675.26345.55911.79571.7890

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 123.298 O1 C2 C4 123.298
C2 C3 C5 112.540 C2 C3 H7 108.156
C2 C3 H8 108.156 C2 C4 C6 112.540
C2 C4 H9 108.156 C2 C4 H10 108.156
C3 C2 C4 113.403 C3 C5 H11 110.646
C3 C5 H12 110.511 C3 C5 H13 110.511
C4 C6 H14 110.646 C4 C6 H15 110.511
C4 C6 H16 110.511 C5 C3 H7 110.527
C5 C3 H8 110.527 C6 C4 H9 110.527
C6 C4 H10 110.527 H7 C3 H8 106.721
H9 C4 H10 106.721 H11 C5 H12 108.553
H11 C5 H13 108.553 H12 C5 H13 107.988
H14 C6 H15 108.553 H14 C6 H16 108.553
H15 C6 H16 107.988
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.166      
2 C 0.136      
3 C -0.161      
4 C -0.161      
5 C -0.232      
6 C -0.232      
7 H 0.082      
8 H 0.082      
9 H 0.082      
10 H 0.082      
11 H 0.079      
12 H 0.083      
13 H 0.083      
14 H 0.079      
15 H 0.083      
16 H 0.083      


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 -1.613 1.613
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.311 0.000 0.000
y 0.000 -34.418 0.000
z 0.000 0.000 -36.937
Traceless
 xyz
x 1.367 0.000 0.000
y 0.000 1.205 0.000
z 0.000 0.000 -2.572
Polar
3z2-r2-5.144
x2-y20.108
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.411 0.000 0.000
y 0.000 5.224 0.000
z 0.000 0.000 4.704


<r2> (average value of r2) Å2
<r2> 222.819
(<r2>)1/2 14.927