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

using model chemistry: PBEPBE/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 PBEPBE/6-31G*
 hartrees
Energy at 0K-271.422430
Energy at 298.15K 
HF Energy-271.422430
Nuclear repulsion energy237.435563
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/6-31G*
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 3079 3035 27.74      
2 A1 3003 2960 3.47      
3 A1 2965 2923 26.62      
4 A1 1750 1725 95.33      
5 A1 1481 1459 6.85      
6 A1 1441 1420 14.31      
7 A1 1391 1371 11.09      
8 A1 1317 1298 8.84      
9 A1 1096 1081 1.36      
10 A1 1007 993 2.24      
11 A1 766 755 2.58      
12 A1 400 395 0.37      
13 A1 189 186 0.54      
14 A2 3083 3039 0.00      
15 A2 2986 2943 0.00      
16 A2 1474 1453 0.00      
17 A2 1233 1215 0.00      
18 A2 975 961 0.00      
19 A2 695 685 0.00      
20 A2 193 190 0.00      
21 A2 35 34 0.00      
22 B1 3083 3039 38.83      
23 B1 2997 2954 20.45      
24 B1 1474 1453 13.82      
25 B1 1274 1256 0.68      
26 B1 1109 1093 0.26      
27 B1 803 792 12.77      
28 B1 452 446 0.44      
29 B1 166 164 0.26      
30 B1 68 67 0.13      
31 B2 3079 3035 13.77      
32 B2 3003 2960 41.14      
33 B2 2956 2914 12.47      
34 B2 1480 1459 11.24      
35 B2 1427 1407 3.72      
36 B2 1390 1370 1.91      
37 B2 1351 1332 32.14      
38 B2 1115 1099 64.08      
39 B2 985 971 15.54      
40 B2 960 947 19.33      
41 B2 605 596 1.84      
42 B2 300 295 12.96      

Unscaled Zero Point Vibrational Energy (zpe) 30318.0 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 29884.5 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 PBEPBE/6-31G*
ABC
0.29321 0.06450 0.05503

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.293
C2 0.000 0.000 0.066
C3 0.000 1.301 -0.738
C4 0.000 -1.301 -0.738
C5 0.000 2.556 0.134
C6 0.000 -2.556 0.134
H7 0.878 1.283 -1.416
H8 -0.878 1.283 -1.416
H9 -0.878 -1.283 -1.416
H10 0.878 -1.283 -1.416
H11 0.000 3.467 -0.487
H12 -0.886 2.578 0.789
H13 0.886 2.578 0.789
H14 0.000 -3.467 -0.487
H15 0.886 -2.578 0.789
H16 -0.886 -2.578 0.789

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.22722.41232.41232.80632.80633.12293.12293.12293.12293.89712.77262.77263.89712.77262.7726
C21.22721.52971.52972.55682.55682.14732.14732.14732.14733.51082.82062.82063.51082.82062.8206
C32.41231.52972.60271.52803.95471.10871.10872.81242.81242.18032.17892.17894.77514.26254.2625
C42.41231.52972.60273.95471.52802.81242.81241.10871.10874.77514.26254.26252.18032.17892.1789
C52.80632.55681.52803.95475.11182.18882.18884.23224.23221.10251.10191.10196.05495.25115.2511
C62.80632.55683.95471.52805.11184.23224.23222.18882.18886.05495.25115.25111.10251.10191.1019
H73.12292.14731.10872.81242.18884.23221.75523.10952.56672.53013.10582.55654.91934.44654.7835
H83.12292.14731.10872.81242.18884.23221.75522.56673.10952.53012.55653.10584.91934.78354.4465
H93.12292.14732.81241.10874.23222.18883.10952.56671.75524.91934.44654.78352.53013.10582.5565
H103.12292.14732.81241.10874.23222.18882.56673.10951.75524.91934.78354.44652.53012.55653.1058
H113.89713.51082.18034.77511.10256.05492.53012.53014.91934.91931.78931.78936.93426.24176.2417
H122.77262.82062.17894.26251.10195.25113.10582.55654.44654.78351.78931.77236.24175.45285.1567
H132.77262.82062.17894.26251.10195.25112.55653.10584.78354.44651.78931.77236.24175.15675.4528
H143.89713.51084.77512.18036.05491.10254.91934.91932.53012.53016.93426.24176.24171.78931.7893
H152.77262.82064.26252.17895.25111.10194.44654.78353.10582.55656.24175.45285.15671.78931.7723
H162.77262.82064.26252.17895.25111.10194.78354.44652.55653.10586.24175.15675.45281.78931.7723

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 121.707 O1 C2 C4 121.707
C2 C3 C5 113.481 C2 C3 H7 107.892
C2 C3 H8 107.892 C2 C4 C6 113.481
C2 C4 H9 107.892 C2 C4 H10 107.892
C3 C2 C4 116.586 C3 C5 H11 110.921
C3 C5 H12 110.846 C3 C5 H13 110.846
C4 C6 H14 110.921 C4 C6 H15 110.846
C4 C6 H16 110.846 C5 C3 H7 111.227
C5 C3 H8 111.227 C6 C4 H9 111.227
C6 C4 H10 111.227 H7 C3 H8 104.668
H9 C4 H10 104.668 H11 C5 H12 108.521
H11 C5 H13 108.521 H12 C5 H13 107.059
H14 C6 H15 108.521 H14 C6 H16 108.521
H15 C6 H16 107.059
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.409      
2 C 0.433      
3 C -0.381      
4 C -0.381      
5 C -0.476      
6 C -0.476      
7 H 0.172      
8 H 0.172      
9 H 0.172      
10 H 0.172      
11 H 0.153      
12 H 0.174      
13 H 0.174      
14 H 0.153      
15 H 0.174      
16 H 0.174      


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 -2.472 2.472
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.658 0.000 0.000
y 0.000 -36.590 0.000
z 0.000 0.000 -40.370
Traceless
 xyz
x 1.822 0.000 0.000
y 0.000 1.924 0.000
z 0.000 0.000 -3.746
Polar
3z2-r2-7.493
x2-y2-0.068
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.780 0.000 0.000
y 0.000 9.922 0.000
z 0.000 0.000 8.471


<r2> (average value of r2) Å2
<r2> 216.943
(<r2>)1/2 14.729