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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-271.443843
Energy at 298.15K 
HF Energy-271.443843
Nuclear repulsion energy237.809261
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 PBEPBEultrafine/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 3074 3042 23.53      
2 A1 2993 2962 3.47      
3 A1 2960 2930 24.36      
4 A1 1746 1728 98.06      
5 A1 1448 1433 5.29      
6 A1 1404 1389 13.74      
7 A1 1359 1345 8.21      
8 A1 1296 1282 9.34      
9 A1 1085 1073 1.13      
10 A1 999 988 1.74      
11 A1 761 753 2.98      
12 A1 397 393 0.38      
13 A1 186 184 0.56      
14 A2 3075 3044 0.00      
15 A2 2982 2951 0.00      
16 A2 1442 1427 0.00      
17 A2 1215 1202 0.00      
18 A2 958 948 0.00      
19 A2 679 672 0.00      
20 A2 190 188 0.00      
21 A2 11 11 0.00      
22 B1 3076 3044 32.88      
23 B1 2992 2962 15.96      
24 B1 1442 1427 11.62      
25 B1 1255 1242 0.49      
26 B1 1096 1084 0.20      
27 B1 791 783 10.83      
28 B1 452 447 0.25      
29 B1 164 163 0.28      
30 B1 62 61 0.17      
31 B2 3073 3042 12.31      
32 B2 2993 2962 38.05      
33 B2 2951 2921 12.94      
34 B2 1447 1432 10.87      
35 B2 1389 1375 2.76      
36 B2 1358 1344 2.21      
37 B2 1329 1315 30.08      
38 B2 1105 1094 60.92      
39 B2 971 961 22.28      
40 B2 953 944 15.38      
41 B2 602 596 2.21      
42 B2 294 291 12.38      

Unscaled Zero Point Vibrational Energy (zpe) 30025.5 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 29716.3 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 PBEPBEultrafine/6-31G(2df,p)
ABC
0.29436 0.06465 0.05517

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

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 0.069
C3 0.000 1.298 -0.737
C4 0.000 -1.298 -0.737
C5 0.000 2.554 0.133
C6 0.000 -2.554 0.133
H7 0.875 1.276 -1.414
H8 -0.875 1.276 -1.414
H9 -0.875 -1.276 -1.414
H10 0.875 -1.276 -1.414
H11 0.000 3.463 -0.489
H12 -0.885 2.577 0.787
H13 0.885 2.577 0.787
H14 0.000 -3.463 -0.489
H15 0.885 -2.577 0.787
H16 -0.885 -2.577 0.787

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.22112.40692.40692.80422.80423.11573.11573.11573.11573.89312.77082.77083.89312.77082.7708
C21.22111.52781.52782.55492.55492.14352.14352.14352.14353.50752.81772.81773.50752.81772.8177
C32.40691.52782.59631.52753.94911.10711.10712.80232.80232.17902.17702.17704.76754.25694.2569
C42.40691.52782.59633.94911.52752.80232.80231.10711.10714.76754.25694.25692.17902.17702.1770
C52.80422.55491.52753.94915.10832.18882.18884.22274.22271.10091.10051.10056.04915.24795.2479
C62.80422.55493.94911.52755.10834.22274.22272.18882.18886.04915.24795.24791.10091.10051.1005
H73.11572.14351.10712.80232.18884.22271.75093.09552.55272.53063.10372.55644.90754.43764.7739
H83.11572.14351.10712.80232.18884.22271.75092.55273.09552.53062.55643.10374.90754.77394.4376
H93.11572.14352.80231.10714.22272.18883.09552.55271.75094.90754.43764.77392.53063.10372.5564
H103.11572.14352.80231.10714.22272.18882.55273.09551.75094.90754.77394.43762.53062.55643.1037
H113.89313.50752.17904.76751.10096.04912.53062.53064.90754.90751.78721.78726.92596.23636.2363
H122.77082.81772.17704.25691.10055.24793.10372.55644.43764.77391.78721.76926.23635.44945.1542
H132.77082.81772.17704.25691.10055.24792.55643.10374.77394.43761.78721.76926.23635.15425.4494
H143.89313.50754.76752.17906.04911.10094.90754.90752.53062.53066.92596.23636.23631.78721.7872
H152.77082.81774.25692.17705.24791.10054.43764.77393.10372.55646.23635.44945.15421.78721.7692
H162.77082.81774.25692.17705.24791.10054.77394.43762.55643.10376.23635.15425.44941.78721.7692

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 121.824 O1 C2 C4 121.824
C2 C3 C5 113.489 C2 C3 H7 107.811
C2 C3 H8 107.811 C2 C4 C6 113.489
C2 C4 H9 107.811 C2 C4 H10 107.811
C3 C2 C4 116.351 C3 C5 H11 110.955
C3 C5 H12 110.822 C3 C5 H13 110.822
C4 C6 H14 110.955 C4 C6 H15 110.822
C4 C6 H16 110.822 C5 C3 H7 111.366
C5 C3 H8 111.366 C6 C4 H9 111.366
C6 C4 H10 111.366 H7 C3 H8 104.520
H9 C4 H10 104.520 H11 C5 H12 108.560
H11 C5 H13 108.560 H12 C5 H13 106.996
H14 C6 H15 108.560 H14 C6 H16 108.560
H15 C6 H16 106.996
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.270      
2 C 0.364      
3 C -0.303      
4 C -0.303      
5 C -0.408      
6 C -0.408      
7 H 0.131      
8 H 0.131      
9 H 0.131      
10 H 0.131      
11 H 0.120      
12 H 0.142      
13 H 0.142      
14 H 0.120      
15 H 0.142      
16 H 0.142      


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 -2.413 2.413
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.533 0.000 0.000
y 0.000 -36.604 0.000
z 0.000 0.000 -40.248
Traceless
 xyz
x 1.893 0.000 0.000
y 0.000 1.787 0.000
z 0.000 0.000 -3.680
Polar
3z2-r2-7.360
x2-y20.070
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.040 0.000 0.000
y 0.000 10.516 0.000
z 0.000 0.000 8.683


<r2> (average value of r2) Å2
<r2> 216.392
(<r2>)1/2 14.710