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

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-269.950602
Energy at 298.15K 
HF Energy-269.950602
Nuclear repulsion energy238.553132
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 HF/LANL2DZ
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 3295 2965 67.98      
2 A1 3217 2895 4.96      
3 A1 3204 2884 51.13      
4 A1 1875 1687 148.67      
5 A1 1648 1483 14.95      
6 A1 1628 1465 29.36      
7 A1 1575 1417 9.40      
8 A1 1506 1356 2.63      
9 A1 1222 1100 7.11      
10 A1 1109 998 7.74      
11 A1 848 763 0.00      
12 A1 434 390 0.44      
13 A1 209 188 0.98      
14 A2 3313 2982 0.00      
15 A2 3234 2911 0.00      
16 A2 1641 1477 0.00      
17 A2 1385 1246 0.00      
18 A2 1126 1013 0.00      
19 A2 806 725 0.00      
20 A2 224 202 0.00      
21 A2 26i 23i 0.00      
22 B1 3314 2982 106.27      
23 B1 3248 2923 37.91      
24 B1 1641 1477 17.75      
25 B1 1429 1286 2.08      
26 B1 1275 1147 0.07      
27 B1 910 819 15.99      
28 B1 510 459 0.54      
29 B1 208 187 0.50      
30 B1 61 55 0.60      
31 B2 3295 2965 27.27      
32 B2 3215 2893 70.72      
33 B2 3194 2875 31.47      
34 B2 1648 1483 9.42      
35 B2 1618 1456 0.59      
36 B2 1574 1417 6.71      
37 B2 1531 1378 34.98      
38 B2 1256 1130 53.51      
39 B2 1147 1032 0.21      
40 B2 1029 926 15.06      
41 B2 676 608 13.36      
42 B2 333 300 15.34      

Unscaled Zero Point Vibrational Energy (zpe) 33291.1 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 29958.7 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 HF/LANL2DZ
ABC
0.29774 0.06459 0.05519

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

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 0.065
C3 0.000 1.294 -0.734
C4 0.000 -1.294 -0.734
C5 0.000 2.559 0.131
C6 0.000 -2.559 0.131
H7 0.867 1.282 -1.389
H8 -0.867 1.282 -1.389
H9 -0.867 -1.282 -1.389
H10 0.867 -1.282 -1.389
H11 0.000 3.442 -0.498
H12 -0.872 2.592 0.771
H13 0.872 2.592 0.771
H14 0.000 -3.442 -0.498
H15 0.872 -2.592 0.771
H16 -0.872 -2.592 0.771

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.22452.40162.40162.80912.80913.09343.09343.09343.09343.87882.78362.78363.87882.78362.7836
C21.22451.52041.52042.55982.55982.12332.12332.12332.12333.48822.82432.82433.48822.82432.8243
C32.40161.52042.58711.53263.94831.08681.08682.79502.79502.16182.17032.17034.74184.25694.2569
C42.40161.52042.58713.94831.53262.79502.79501.08681.08684.74184.25694.25692.16182.17032.1703
C52.80912.55981.53263.94835.11782.16642.16644.22034.22031.08441.08231.08236.03425.26325.2632
C62.80912.55983.94831.53265.11784.22034.22032.16642.16646.03425.26325.26321.08441.08231.0823
H73.09342.12331.08682.79502.16644.22031.73393.09452.56312.49303.06702.52624.88484.43494.7637
H83.09342.12331.08682.79502.16644.22031.73392.56313.09452.49302.52623.06704.88484.76374.4349
H93.09342.12332.79501.08684.22032.16643.09452.56311.73394.88484.43494.76372.49303.06702.5262
H103.09342.12332.79501.08684.22032.16642.56313.09451.73394.88484.76374.43492.49302.52623.0670
H113.87883.48822.16184.74181.08446.03422.49302.49304.88484.88481.75881.75886.88486.22766.2276
H122.78362.82432.17034.25691.08235.26323.06702.52624.43494.76371.75881.74466.22765.46965.1838
H132.78362.82432.17034.25691.08235.26322.52623.06704.76374.43491.75881.74466.22765.18385.4696
H143.87883.48824.74182.16186.03421.08444.88484.88482.49302.49306.88486.22766.22761.75881.7588
H152.78362.82434.25692.17035.26321.08234.43494.76373.06702.52626.22765.46965.18381.75881.7446
H162.78362.82434.25692.17035.26321.08234.76374.43492.52623.06706.22765.18385.46961.75881.7446

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 121.700 O1 C2 C4 121.700
C2 C3 C5 113.954 C2 C3 H7 107.904
C2 C3 H8 107.904 C2 C4 C6 113.954
C2 C4 H9 107.904 C2 C4 H10 107.904
C3 C2 C4 116.600 C3 C5 H11 110.216
C3 C5 H12 111.020 C3 C5 H13 111.020
C4 C6 H14 110.216 C4 C6 H15 111.020
C4 C6 H16 111.020 C5 C3 H7 110.444
C5 C3 H8 110.444 C6 C4 H9 110.444
C6 C4 H10 110.444 H7 C3 H8 105.825
H9 C4 H10 105.825 H11 C5 H12 108.537
H11 C5 H13 108.537 H12 C5 H13 107.412
H14 C6 H15 108.537 H14 C6 H16 108.537
H15 C6 H16 107.412
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.386      
2 C 0.389      
3 C -0.378      
4 C -0.378      
5 C -0.538      
6 C -0.538      
7 H 0.184      
8 H 0.184      
9 H 0.184      
10 H 0.184      
11 H 0.169      
12 H 0.189      
13 H 0.189      
14 H 0.169      
15 H 0.189      
16 H 0.189      


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 -3.510 3.510
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.379 0.000 0.000
y 0.000 -36.960 0.000
z 0.000 0.000 -43.046
Traceless
 xyz
x 2.624 0.000 0.000
y 0.000 3.252 0.000
z 0.000 0.000 -5.877
Polar
3z2-r2-11.754
x2-y2-0.419
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.324 0.000 0.000
y 0.000 8.235 0.000
z 0.000 0.000 7.994


<r2> (average value of r2) Å2
<r2> 216.874
(<r2>)1/2 14.727