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

using model chemistry: HF/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/cc-pVDZ
 hartrees
Energy at 0K-270.055366
Energy at 298.15K 
HF Energy-270.055366
Nuclear repulsion energy239.831444
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 HF/cc-pVDZ
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 3265 2965 49.14      
2 A1 3194 2900 0.52      
3 A1 3178 2886 39.30      
4 A1 1998 1814 188.06      
5 A1 1596 1450 7.62      
6 A1 1570 1426 10.33      
7 A1 1529 1388 9.94      
8 A1 1477 1341 1.32      
9 A1 1200 1090 3.47      
10 A1 1088 988 2.50      
11 A1 845 768 0.18      
12 A1 434 394 0.62      
13 A1 209 190 0.64      
14 A2 3280 2978 0.00      
15 A2 3199 2905 0.00      
16 A2 1589 1443 0.00      
17 A2 1363 1238 0.00      
18 A2 1080 980 0.00      
19 A2 766 696 0.00      
20 A2 247 224 0.00      
21 A2 27 25 0.00      
22 B1 3280 2978 66.27      
23 B1 3212 2917 31.25      
24 B1 1589 1443 11.34      
25 B1 1411 1281 0.68      
26 B1 1239 1125 0.00      
27 B1 884 803 9.24      
28 B1 509 462 0.38      
29 B1 226 205 0.30      
30 B1 71 64 0.35      
31 B2 3265 2964 17.71      
32 B2 3192 2898 56.88      
33 B2 3167 2876 20.43      
34 B2 1599 1452 13.82      
35 B2 1556 1413 1.29      
36 B2 1540 1398 14.65      
37 B2 1512 1373 11.19      
38 B2 1232 1119 67.20      
39 B2 1096 995 10.41      
40 B2 1026 932 14.78      
41 B2 676 614 12.11      
42 B2 335 305 14.63      

Unscaled Zero Point Vibrational Energy (zpe) 32875.0 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 29850.5 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 HF/cc-pVDZ
ABC
0.30361 0.06513 0.05582

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.265
C2 0.000 0.000 0.073
C3 0.000 1.290 -0.727
C4 0.000 -1.290 -0.727
C5 0.000 2.546 0.134
C6 0.000 -2.546 0.134
H7 0.871 1.271 -1.390
H8 -0.871 1.271 -1.390
H9 -0.871 -1.271 -1.390
H10 0.871 -1.271 -1.390
H11 0.000 3.438 -0.496
H12 -0.879 2.578 0.778
H13 0.879 2.578 0.778
H14 0.000 -3.438 -0.496
H15 0.879 -2.578 0.778
H16 -0.879 -2.578 0.778

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.19182.37302.37302.78612.78613.06963.06963.06963.06963.86272.76672.76673.86272.76672.7667
C21.19181.51791.51792.54672.54672.12472.12472.12472.12473.48492.81312.81313.48492.81312.8131
C32.37301.51792.58021.52243.93141.09501.09502.78502.78502.16052.16662.16664.73394.24214.2421
C42.37301.51792.58023.93141.52242.78502.78501.09501.09504.73394.24214.24212.16052.16662.1666
C52.78612.54671.52243.93145.09202.16952.16954.20094.20091.09171.09021.09026.01725.23835.2383
C62.78612.54673.93141.52245.09204.20094.20092.16952.16956.01725.23835.23831.09171.09021.0902
H73.06962.12471.09502.78502.16954.20091.74203.08112.54142.50143.07742.53134.87164.41694.7510
H83.06962.12471.09502.78502.16954.20091.74202.54143.08112.50142.53133.07744.87164.75104.4169
H93.06962.12472.78501.09504.20092.16953.08112.54141.74204.87164.41694.75102.50143.07742.5313
H103.06962.12472.78501.09504.20092.16952.54143.08111.74204.87164.75104.41692.50142.53133.0774
H113.86273.48492.16054.73391.09176.01722.50142.50144.87164.87161.77051.77056.87646.21176.2117
H122.76672.81312.16664.24211.09025.23833.07742.53134.41694.75101.77051.75826.21175.44695.1553
H132.76672.81312.16664.24211.09025.23832.53133.07744.75104.41691.77051.75826.21175.15535.4469
H143.86273.48494.73392.16056.01721.09174.87164.87162.50142.50146.87646.21176.21171.77051.7705
H152.76672.81314.24212.16665.23831.09024.41694.75103.07742.53136.21175.44695.15531.77051.7582
H162.76672.81314.24212.16665.23831.09024.75104.41692.53133.07746.21175.15535.44691.77051.7582

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 121.801 O1 C2 C4 121.801
C2 C3 C5 113.786 C2 C3 H7 107.710
C2 C3 H8 107.710 C2 C4 C6 113.786
C2 C4 H9 107.710 C2 C4 H10 107.710
C3 C2 C4 116.398 C3 C5 H11 110.394
C3 C5 H12 110.966 C3 C5 H13 110.966
C4 C6 H14 110.394 C4 C6 H15 110.966
C4 C6 H16 110.966 C5 C3 H7 110.914
C5 C3 H8 110.914 C6 C4 H9 110.914
C6 C4 H10 110.914 H7 C3 H8 105.391
H9 C4 H10 105.391 H11 C5 H12 108.467
H11 C5 H13 108.467 H12 C5 H13 107.477
H14 C6 H15 108.467 H14 C6 H16 108.467
H15 C6 H16 107.477
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.324      
2 C 0.147      
3 C -0.111      
4 C -0.111      
5 C -0.010      
6 C -0.010      
7 H 0.047      
8 H 0.047      
9 H 0.047      
10 H 0.047      
11 H 0.027      
12 H 0.044      
13 H 0.044      
14 H 0.027      
15 H 0.044      
16 H 0.044      


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 -2.803 2.803
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.128 0.000 0.000
y 0.000 -37.286 0.000
z 0.000 0.000 -41.693
Traceless
 xyz
x 2.362 0.000 0.000
y 0.000 2.125 0.000
z 0.000 0.000 -4.486
Polar
3z2-r2-8.973
x2-y20.158
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.724 0.000 0.000
y 0.000 9.171 0.000
z 0.000 0.000 8.163


<r2> (average value of r2) Å2
<r2> 214.760
(<r2>)1/2 14.655