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

using model chemistry: B3LYP/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/CEP-121G*
 hartrees
Energy at 0K-50.267764
Energy at 298.15K 
HF Energy-50.267764
Nuclear repulsion energy132.647449
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 B3LYP/CEP-121G*
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 3099 3004 53.71      
2 A1 3031 2938 0.96      
3 A1 3009 2917 40.73      
4 A1 1753 1699 122.29      
5 A1 1509 1463 8.10      
6 A1 1478 1432 15.91      
7 A1 1421 1377 10.87      
8 A1 1352 1311 6.14      
9 A1 1105 1071 2.42      
10 A1 1004 974 1.93      
11 A1 768 745 1.33      
12 A1 396 384 0.60      
13 A1 189 183 0.64      
14 A2 3109 3014 0.00      
15 A2 3023 2931 0.00      
16 A2 1501 1455 0.00      
17 A2 1257 1219 0.00      
18 A2 997 966 0.00      
19 A2 706 684 0.00      
20 A2 197 191 0.00      
21 A2 27i 26i 0.00      
22 B1 3109 3014 76.25      
23 B1 3036 2943 34.08      
24 B1 1501 1455 13.80      
25 B1 1304 1264 1.40      
26 B1 1133 1098 0.06      
27 B1 812 787 8.45      
28 B1 458 444 0.00      
29 B1 176 170 0.33      
30 B1 62 60 0.24      
31 B2 3098 3003 18.99      
32 B2 3030 2937 64.81      
33 B2 2998 2906 14.20      
34 B2 1509 1462 10.40      
35 B2 1466 1421 2.67      
36 B2 1420 1377 0.20      
37 B2 1383 1341 25.40      
38 B2 1125 1091 65.35      
39 B2 1002 971 12.10      
40 B2 948 919 21.26      
41 B2 609 591 4.17      
42 B2 299 290 12.17      

Unscaled Zero Point Vibrational Energy (zpe) 30675.7 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 29737.0 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 B3LYP/CEP-121G*
ABC
0.29307 0.06359 0.05435

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.297
C2 0.000 0.000 0.072
C3 0.000 1.308 -0.739
C4 0.000 -1.308 -0.739
C5 0.000 2.577 0.131
C6 0.000 -2.577 0.131
H7 0.875 1.289 -1.409
H8 -0.875 1.289 -1.409
H9 -0.875 -1.289 -1.409
H10 0.875 -1.289 -1.409
H11 0.000 3.475 -0.499
H12 -0.882 2.608 0.780
H13 0.882 2.608 0.780
H14 0.000 -3.475 -0.499
H15 0.882 -2.608 0.780
H16 -0.882 -2.608 0.780

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.22472.41972.41972.82822.82823.12183.12183.12183.12183.91182.80132.80133.91182.80132.8013
C21.22471.53881.53882.57752.57752.14912.14912.14912.14913.52192.84282.84283.52192.84282.8428
C32.41971.53882.61531.53893.98071.10171.10172.82032.82032.18102.18582.18584.78904.29174.2917
C42.41971.53882.61533.98071.53892.82032.82031.10171.10174.78904.29174.29172.18102.18582.1858
C52.82822.57751.53893.98075.15372.18982.18984.25194.25191.09741.09581.09586.08495.29925.2992
C62.82822.57753.98071.53895.15374.25194.25192.18982.18986.08495.29925.29921.09741.09581.0958
H73.12182.14911.10172.82032.18984.25191.74913.11492.57742.52473.10142.55574.92844.46944.8023
H83.12182.14911.10172.82032.18984.25191.74912.57743.11492.52472.55573.10144.92844.80234.4694
H93.12182.14912.82031.10174.25192.18983.11492.57741.74914.92844.46944.80232.52473.10142.5557
H103.12182.14912.82031.10174.25192.18982.57743.11491.74914.92844.80234.46942.52472.55573.1014
H113.91183.52192.18104.78901.09746.08492.52472.52474.92844.92841.77951.77956.95076.27866.2786
H122.80132.84282.18584.29171.09585.29923.10142.55574.46944.80231.77951.76486.27865.50645.2159
H132.80132.84282.18584.29171.09585.29922.55573.10144.80234.46941.77951.76486.27865.21595.5064
H143.91183.52194.78902.18106.08491.09744.92844.92842.52472.52476.95076.27866.27861.77951.7795
H152.80132.84284.29172.18585.29921.09584.46944.80233.10142.55576.27865.50645.21591.77951.7648
H162.80132.84284.29172.18585.29921.09584.80234.46942.55573.10146.27865.21595.50641.77951.7648

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 121.813 O1 C2 C4 121.813
C2 C3 C5 113.750 C2 C3 H7 107.808
C2 C3 H8 107.808 C2 C4 C6 113.750
C2 C4 H9 107.808 C2 C4 H10 107.808
C3 C2 C4 116.373 C3 C5 H11 110.529
C3 C5 H12 111.000 C3 C5 H13 111.000
C4 C6 H14 110.529 C4 C6 H15 111.000
C4 C6 H16 111.000 C5 C3 H7 110.972
C5 C3 H8 110.972 C6 C4 H9 110.972
C6 C4 H10 110.972 H7 C3 H8 105.097
H9 C4 H10 105.097 H11 C5 H12 108.466
H11 C5 H13 108.466 H12 C5 H13 107.267
H14 C6 H15 108.466 H14 C6 H16 108.466
H15 C6 H16 107.267
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.277      
2 C 0.234      
3 C -0.304      
4 C -0.304      
5 C -0.520      
6 C -0.520      
7 H 0.169      
8 H 0.169      
9 H 0.169      
10 H 0.169      
11 H 0.166      
12 H 0.171      
13 H 0.171      
14 H 0.166      
15 H 0.171      
16 H 0.171      


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 -2.754 2.754
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.151 0.000 0.000
y 0.000 -37.331 0.000
z 0.000 0.000 -41.565
Traceless
 xyz
x 2.297 0.000 0.000
y 0.000 2.027 0.000
z 0.000 0.000 -4.325
Polar
3z2-r2-8.649
x2-y20.180
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.523 0.000 0.000
y 0.000 10.631 0.000
z 0.000 0.000 9.238


<r2> (average value of r2) Å2
<r2> 180.628
(<r2>)1/2 13.440