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

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-270.231286
Energy at 298.15K 
HF Energy-270.231286
Nuclear repulsion energy239.021038
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 mPW1PW91/3-21G
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 3168 3024 19.87      
2 A1 3092 2952 2.56      
3 A1 3070 2931 14.50      
4 A1 1771 1690 58.56      
5 A1 1564 1493 8.87      
6 A1 1512 1444 31.53      
7 A1 1473 1406 14.26      
8 A1 1381 1318 10.47      
9 A1 1140 1088 4.69      
10 A1 1041 993 2.62      
11 A1 792 756 2.07      
12 A1 428 408 0.30      
13 A1 202 193 0.44      
14 A2 3171 3027 0.00      
15 A2 3094 2954 0.00      
16 A2 1564 1493 0.00      
17 A2 1306 1247 0.00      
18 A2 1054 1006 0.00      
19 A2 736 703 0.00      
20 A2 196 187 0.00      
21 A2 38 36 0.00      
22 B1 3171 3027 31.50      
23 B1 3105 2964 8.65      
24 B1 1564 1493 20.24      
25 B1 1355 1294 0.58      
26 B1 1174 1121 0.78      
27 B1 854 816 18.88      
28 B1 489 467 1.38      
29 B1 161 153 0.15      
30 B1 68 65 0.15      
31 B2 3168 3024 12.43      
32 B2 3092 2951 30.20      
33 B2 3061 2922 11.95      
34 B2 1563 1492 13.14      
35 B2 1501 1433 3.70      
36 B2 1474 1407 20.79      
37 B2 1390 1326 36.37      
38 B2 1160 1107 75.62      
39 B2 1054 1006 1.42      
40 B2 978 933 21.29      
41 B2 640 611 1.52      
42 B2 325 311 17.95      

Unscaled Zero Point Vibrational Energy (zpe) 31567.7 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 30134.5 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 mPW1PW91/3-21G
ABC
0.29194 0.06617 0.05619

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.286
C2 0.000 0.000 0.054
C3 0.000 1.288 -0.753
C4 0.000 -1.288 -0.753
C5 0.000 2.522 0.149
C6 0.000 -2.522 0.149
H7 0.880 1.280 -1.412
H8 -0.880 1.280 -1.412
H9 -0.880 -1.280 -1.412
H10 0.880 -1.280 -1.412
H11 0.000 3.440 -0.446
H12 -0.881 2.518 0.795
H13 0.881 2.518 0.795
H14 0.000 -3.440 -0.446
H15 0.881 -2.518 0.795
H16 -0.881 -2.518 0.795

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.23172.41182.41182.76702.76703.11273.11273.11273.11273.85142.71242.71243.85142.71242.7124
C21.23171.51991.51992.52422.52422.13552.13552.13552.13553.47622.76872.76873.47622.76872.7687
C32.41181.51992.57511.52923.91531.09881.09882.79242.79242.17432.16542.16544.73764.20214.2021
C42.41181.51992.57513.91531.52922.79242.79241.09881.09884.73764.20214.20212.17432.16542.1654
C52.76702.52421.52923.91535.04492.18022.18024.20294.20291.09341.09301.09305.99205.15765.1576
C62.76702.52423.91531.52925.04494.20294.20292.18022.18025.99205.15765.15761.09341.09301.0930
H73.11272.13551.09882.79242.18024.20291.75923.10552.55912.52473.08322.53104.89714.39244.7322
H83.11272.13551.09882.79242.18024.20291.75922.55913.10552.52472.53103.08324.89714.73224.3924
H93.11272.13552.79241.09884.20292.18023.10552.55911.75924.89714.39244.73222.52473.08322.5310
H103.11272.13552.79241.09884.20292.18022.55913.10551.75924.89714.73224.39242.52472.53103.0832
H113.85143.47622.17434.73761.09345.99202.52472.52474.89714.89711.77971.77976.88016.14946.1494
H122.71242.76872.16544.20211.09305.15763.08322.53104.39244.73221.77971.76226.14945.33545.0360
H132.71242.76872.16544.20211.09305.15762.53103.08324.73224.39241.77971.76226.14945.03605.3354
H143.85143.47624.73762.17435.99201.09344.89714.89712.52472.52476.88016.14946.14941.77971.7797
H152.71242.76874.20212.16545.15761.09304.39244.73223.08322.53106.14945.33545.03601.77971.7622
H162.71242.76874.20212.16545.15761.09304.73224.39242.53103.08326.14945.03605.33541.77971.7622

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 122.097 O1 C2 C4 122.097
C2 C3 C5 111.759 C2 C3 H7 108.196
C2 C3 H8 108.196 C2 C4 C6 111.759
C2 C4 H9 108.196 C2 C4 H10 108.196
C3 C2 C4 115.807 C3 C5 H11 110.915
C3 C5 H12 110.228 C3 C5 H13 110.228
C4 C6 H14 110.915 C4 C6 H15 110.228
C4 C6 H16 110.228 C5 C3 H7 111.062
C5 C3 H8 111.062 C6 C4 H9 111.062
C6 C4 H10 111.062 H7 C3 H8 106.353
H9 C4 H10 106.353 H11 C5 H12 108.977
H11 C5 H13 108.977 H12 C5 H13 107.435
H14 C6 H15 108.977 H14 C6 H16 108.977
H15 C6 H16 107.435
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.454      
2 C 0.464      
3 C -0.544      
4 C -0.544      
5 C -0.614      
6 C -0.614      
7 H 0.241      
8 H 0.241      
9 H 0.241      
10 H 0.241      
11 H 0.209      
12 H 0.231      
13 H 0.231      
14 H 0.209      
15 H 0.231      
16 H 0.231      


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 -2.530 2.530
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.848 0.000 0.000
y 0.000 -36.612 0.000
z 0.000 0.000 -40.585
Traceless
 xyz
x 1.750 0.000 0.000
y 0.000 2.104 0.000
z 0.000 0.000 -3.854
Polar
3z2-r2-7.709
x2-y2-0.236
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.166 0.000 0.000
y 0.000 8.620 0.000
z 0.000 0.000 7.692


<r2> (average value of r2) Å2
<r2> 212.991
(<r2>)1/2 14.594