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

using model chemistry: HF/SDD

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/SDD
 hartrees
Energy at 0K-269.951649
Energy at 298.15K 
HF Energy-269.951649
Nuclear repulsion energy238.568156
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/SDD
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 3293 2965 66.29      
2 A1 3216 2896 4.16      
3 A1 3203 2884 50.51      
4 A1 1875 1688 149.63      
5 A1 1648 1484 14.84      
6 A1 1628 1466 30.10      
7 A1 1574 1418 9.47      
8 A1 1506 1356 2.69      
9 A1 1222 1100 7.16      
10 A1 1109 999 7.73      
11 A1 847 763 0.00      
12 A1 434 391 0.45      
13 A1 209 188 0.98      
14 A2 3312 2982 0.00      
15 A2 3232 2910 0.00      
16 A2 1641 1478 0.00      
17 A2 1385 1247 0.00      
18 A2 1126 1014 0.00      
19 A2 806 726 0.00      
20 A2 224 202 0.00      
21 A2 25i 22i 0.00      
22 B1 3313 2983 103.25      
23 B1 3246 2923 36.62      
24 B1 1642 1478 17.96      
25 B1 1430 1287 2.09      
26 B1 1275 1148 0.07      
27 B1 910 820 16.23      
28 B1 510 459 0.53      
29 B1 208 187 0.50      
30 B1 61 55 0.60      
31 B2 3293 2965 26.73      
32 B2 3214 2894 70.63      
33 B2 3193 2875 30.30      
34 B2 1649 1484 9.46      
35 B2 1618 1457 0.60      
36 B2 1574 1417 6.99      
37 B2 1530 1378 35.12      
38 B2 1256 1131 53.60      
39 B2 1146 1032 0.20      
40 B2 1029 926 15.16      
41 B2 675 608 13.25      
42 B2 333 300 15.31      

Unscaled Zero Point Vibrational Energy (zpe) 33284.1 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 29969.0 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 HF/SDD
ABC
0.29773 0.06460 0.05520

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.290
C2 0.000 0.000 0.065
C3 0.000 1.293 -0.734
C4 0.000 -1.293 -0.734
C5 0.000 2.559 0.131
C6 0.000 -2.559 0.131
H7 0.867 1.281 -1.389
H8 -0.867 1.281 -1.389
H9 -0.867 -1.281 -1.389
H10 0.867 -1.281 -1.389
H11 0.000 3.442 -0.498
H12 -0.872 2.592 0.770
H13 0.872 2.592 0.770
H14 0.000 -3.442 -0.498
H15 0.872 -2.592 0.770
H16 -0.872 -2.592 0.770

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.22442.40162.40162.80892.80893.09343.09343.09343.09343.87872.78332.78333.87872.78332.7833
C21.22441.52041.52042.55952.55952.12332.12332.12332.12333.48802.82392.82393.48802.82392.8239
C32.40161.52042.58681.53243.94791.08681.08682.79472.79472.16172.17002.17004.74154.25644.2564
C42.40161.52042.58683.94791.53242.79472.79471.08681.08684.74154.25644.25642.16172.17002.1700
C52.80892.55951.53243.94795.11732.16642.16644.21984.21981.08441.08231.08236.03375.26265.2626
C62.80892.55953.94791.53245.11734.21984.21982.16642.16646.03375.26265.26261.08441.08231.0823
H73.09342.12331.08682.79472.16644.21981.73393.09402.56262.49313.06692.52604.88444.43434.7632
H83.09342.12331.08682.79472.16644.21981.73392.56263.09402.49312.52603.06694.88444.76324.4343
H93.09342.12332.79471.08684.21982.16643.09402.56261.73394.88444.43434.76322.49313.06692.5260
H103.09342.12332.79471.08684.21982.16642.56263.09401.73394.88444.76324.43432.49312.52603.0669
H113.87873.48802.16174.74151.08446.03372.49312.49314.88444.88441.75881.75886.88446.22706.2270
H122.78332.82392.17004.25641.08235.26263.06692.52604.43434.76321.75881.74466.22705.46885.1831
H132.78332.82392.17004.25641.08235.26262.52603.06694.76324.43431.75881.74466.22705.18315.4688
H143.87873.48804.74152.16176.03371.08444.88444.88442.49312.49316.88446.22706.22701.75881.7588
H152.78332.82394.25642.17005.26261.08234.43434.76323.06692.52606.22705.46885.18311.75881.7446
H162.78332.82394.25642.17005.26261.08234.76324.43432.52603.06696.22705.18315.46881.75881.7446

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 121.710 O1 C2 C4 121.710
C2 C3 C5 113.944 C2 C3 H7 107.905
C2 C3 H8 107.905 C2 C4 C6 113.944
C2 C4 H9 107.905 C2 C4 H10 107.905
C3 C2 C4 116.581 C3 C5 H11 110.222
C3 C5 H12 111.015 C3 C5 H13 111.015
C4 C6 H14 110.222 C4 C6 H15 111.015
C4 C6 H16 111.015 C5 C3 H7 110.450
C5 C3 H8 110.450 C6 C4 H9 110.450
C6 C4 H10 110.450 H7 C3 H8 105.822
H9 C4 H10 105.822 H11 C5 H12 108.537
H11 C5 H13 108.537 H12 C5 H13 107.416
H14 C6 H15 108.537 H14 C6 H16 108.537
H15 C6 H16 107.416
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.388      
2 C 0.413      
3 C -0.395      
4 C -0.395      
5 C -0.554      
6 C -0.554      
7 H 0.189      
8 H 0.189      
9 H 0.189      
10 H 0.189      
11 H 0.173      
12 H 0.193      
13 H 0.193      
14 H 0.173      
15 H 0.193      
16 H 0.193      


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 -3.509 3.509
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.366 0.000 0.000
y 0.000 -36.938 0.000
z 0.000 0.000 -43.021
Traceless
 xyz
x 2.613 0.000 0.000
y 0.000 3.255 0.000
z 0.000 0.000 -5.869
Polar
3z2-r2-11.737
x2-y2-0.428
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.325 0.000 0.000
y 0.000 8.232 0.000
z 0.000 0.000 7.992


<r2> (average value of r2) Å2
<r2> 216.827
(<r2>)1/2 14.725