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

using model chemistry: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-271.707027
Energy at 298.15K 
HF Energy-271.707027
Nuclear repulsion energy239.156106
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 B3PW91/6-31G(2df,p)
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 3141 3019 26.04      
2 A1 3060 2942 2.63      
3 A1 3035 2918 24.81      
4 A1 1821 1751 113.62      
5 A1 1491 1433 6.48      
6 A1 1452 1396 14.27      
7 A1 1406 1351 9.36      
8 A1 1347 1295 6.95      
9 A1 1116 1073 1.62      
10 A1 1025 986 1.97      
11 A1 785 755 2.43      
12 A1 407 391 0.40      
13 A1 190 183 0.61      
14 A2 3146 3024 0.00      
15 A2 3058 2940 0.00      
16 A2 1485 1427 0.00      
17 A2 1256 1208 0.00      
18 A2 993 954 0.00      
19 A2 703 676 0.00      
20 A2 193 186 0.00      
21 A2 32 31 0.00      
22 B1 3146 3025 35.43      
23 B1 3069 2950 16.72      
24 B1 1485 1428 12.20      
25 B1 1300 1250 0.50      
26 B1 1135 1091 0.09      
27 B1 819 787 11.44      
28 B1 468 450 0.05      
29 B1 167 161 0.27      
30 B1 69 66 0.22      
31 B2 3140 3019 12.89      
32 B2 3060 2942 39.84      
33 B2 3026 2909 12.55      
34 B2 1491 1433 10.76      
35 B2 1438 1383 2.34      
36 B2 1405 1350 0.67      
37 B2 1383 1330 33.77      
38 B2 1139 1095 62.45      
39 B2 1005 966 15.59      
40 B2 976 939 17.64      
41 B2 624 600 3.88      
42 B2 301 290 12.65      

Unscaled Zero Point Vibrational Energy (zpe) 30893.2 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 29700.8 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 B3PW91/6-31G(2df,p)
ABC
0.29869 0.06520 0.05570

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.280
C2 0.000 0.000 0.071
C3 0.000 1.291 -0.732
C4 0.000 -1.291 -0.732
C5 0.000 2.544 0.132
C6 0.000 -2.544 0.132
H7 0.870 1.270 -1.402
H8 -0.870 1.270 -1.402
H9 -0.870 -1.270 -1.402
H10 0.870 -1.270 -1.402
H11 0.000 3.444 -0.489
H12 -0.879 2.570 0.780
H13 0.879 2.570 0.780
H14 0.000 -3.444 -0.489
H15 0.879 -2.570 0.780
H16 -0.879 -2.570 0.780

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.20922.39062.39062.79122.79123.09283.09283.09283.09283.87232.76192.76193.87232.76192.7619
C21.20921.52041.52042.54462.54462.13082.13082.13082.13083.48962.80732.80733.48962.80732.8073
C32.39061.52042.58251.52133.93111.09901.09902.78662.78662.16662.16662.16664.74174.23894.2389
C42.39061.52042.58253.93111.52132.78662.78661.09901.09904.74174.23894.23892.16662.16662.1666
C52.79122.54461.52133.93115.08772.17582.17584.20154.20151.09371.09301.09306.02035.22935.2293
C62.79122.54463.93111.52135.08774.20154.20152.17582.17586.02035.22935.22931.09371.09301.0930
H73.09282.13081.09902.78662.17584.20151.74093.07862.53912.51413.08482.54054.87974.41654.7505
H83.09282.13081.09902.78662.17584.20151.74092.53913.07862.51412.54053.08484.87974.75054.4165
H93.09282.13082.78661.09904.20152.17583.07862.53911.74094.87974.41654.75052.51413.08482.5405
H103.09282.13082.78661.09904.20152.17582.53913.07861.74094.87974.75054.41652.51412.54053.0848
H113.87233.48962.16664.74171.09376.02032.51412.51414.87974.87971.77471.77476.88866.20946.2094
H122.76192.80732.16664.23891.09305.22933.08482.54054.41654.75051.77471.75876.20945.43255.1399
H132.76192.80732.16664.23891.09305.22932.54053.08484.75054.41651.77471.75876.20945.13995.4325
H143.87233.48964.74172.16666.02031.09374.87974.87972.51412.51416.88866.20946.20941.77471.7747
H152.76192.80734.23892.16665.22931.09304.41654.75053.08482.54056.20945.43255.13991.77471.7587
H162.76192.80734.23892.16665.22931.09304.75054.41652.54053.08486.20945.13995.43251.77471.7587

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 121.868 O1 C2 C4 121.868
C2 C3 C5 113.560 C2 C3 H7 107.781
C2 C3 H8 107.781 C2 C4 C6 113.560
C2 C4 H9 107.781 C2 C4 H10 107.781
C3 C2 C4 116.264 C3 C5 H11 110.837
C3 C5 H12 110.879 C3 C5 H13 110.879
C4 C6 H14 110.837 C4 C6 H15 110.879
C4 C6 H16 110.879 C5 C3 H7 111.254
C5 C3 H8 111.254 C6 C4 H9 111.254
C6 C4 H10 111.254 H7 C3 H8 104.749
H9 C4 H10 104.749 H11 C5 H12 108.496
H11 C5 H13 108.496 H12 C5 H13 107.130
H14 C6 H15 108.496 H14 C6 H16 108.496
H15 C6 H16 107.130
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.311      
2 C 0.388      
3 C -0.332      
4 C -0.332      
5 C -0.442      
6 C -0.442      
7 H 0.146      
8 H 0.146      
9 H 0.146      
10 H 0.146      
11 H 0.134      
12 H 0.155      
13 H 0.155      
14 H 0.134      
15 H 0.155      
16 H 0.155      


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 -2.527 2.527
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.262 0.000 0.000
y 0.000 -36.326 0.000
z 0.000 0.000 -40.171
Traceless
 xyz
x 1.987 0.000 0.000
y 0.000 1.890 0.000
z 0.000 0.000 -3.877
Polar
3z2-r2-7.754
x2-y20.065
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.910 0.000 0.000
y 0.000 10.010 0.000
z 0.000 0.000 8.449


<r2> (average value of r2) Å2
<r2> 214.409
(<r2>)1/2 14.643