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All results from a given calculation for C5H8O (Cyclopentanone)

using model chemistry: HSEh1PBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HSEh1PBE/6-31G**
 hartrees
Energy at 0K-270.290997
Energy at 298.15K-270.300630
HF Energy-270.290997
Nuclear repulsion energy235.768023
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 HSEh1PBE/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3151 3007 5.31      
2 A 3139 2995 18.44      
3 A 3073 2933 23.80      
4 A 3066 2926 3.58      
5 A 1880 1794 222.27      
6 A 1518 1449 1.53      
7 A 1455 1389 0.00      
8 A 1354 1292 0.25      
9 A 1316 1256 1.83      
10 A 1227 1171 0.00      
11 A 1190 1135 0.19      
12 A 1055 1007 0.74      
13 A 964 920 0.30      
14 A 919 877 0.44      
15 A 825 787 0.83      
16 A 718 685 0.87      
17 A 566 540 5.62      
18 A 236 225 0.09      
19 B 3152 3008 21.05      
20 B 3144 3000 24.78      
21 B 3078 2938 35.90      
22 B 3066 2926 4.91      
23 B 1503 1434 5.72      
24 B 1456 1389 20.43      
25 B 1352 1290 3.57      
26 B 1307 1247 11.26      
27 B 1263 1205 5.19      
28 B 1179 1125 64.18      
29 B 1169 1116 13.27      
30 B 988 943 10.11      
31 B 930 888 1.02      
32 B 854 815 10.72      
33 B 587 560 2.82      
34 B 473 452 5.50      
35 B 452 431 3.00      
36 B 107 102 5.20      

Unscaled Zero Point Vibrational Energy (zpe) 26854.9 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 25627.7 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 HSEh1PBE/6-31G**
ABC
0.22222 0.11203 0.08052

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 2.129
C2 0.000 0.000 0.921
C3 0.000 1.236 0.028
C4 0.000 -1.236 0.028
C5 0.303 0.707 -1.373
C6 -0.303 -0.707 -1.373
H7 -1.009 1.668 0.078
H8 1.009 -1.668 0.078
H9 0.690 1.994 0.408
H10 -0.690 -1.994 0.408
H11 -0.096 1.338 -2.171
H12 0.096 -1.338 -2.171
H13 1.388 0.643 -1.521
H14 -1.388 -0.643 -1.521

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.20742.43772.43773.58563.58562.82982.82982.72222.72224.50474.50473.95713.9571
C21.20741.52551.52552.42022.42022.12432.12432.17122.17123.37133.37132.88152.8815
C32.43771.52552.47281.52832.41481.09873.07531.09283.32492.20373.38762.16262.8028
C42.43771.52552.47282.41481.52833.07531.09873.32491.09283.38762.20372.80282.1626
C53.58562.42021.52832.41481.53802.17972.87142.23183.38431.09312.20521.09682.1684
C63.58562.42022.41481.52831.53802.87142.17973.38432.23182.20521.09312.16841.0968
H72.82982.12431.09873.07532.17972.87143.89921.76113.69072.44973.91403.05812.8353
H82.82982.12433.07531.09872.87142.17973.89923.69071.76113.91402.44972.83533.0581
H92.72222.17121.09283.32492.23183.38431.76113.69074.21952.77534.25592.45653.8717
H102.72222.17123.32491.09283.38432.23183.69071.76114.21954.25592.77533.87172.4565
H114.50473.37132.20373.38761.09312.20522.44973.91402.77534.25592.68381.76322.4532
H124.50473.37133.38762.20372.20521.09313.91402.44974.25592.77532.68382.45321.7632
H133.95712.88152.16262.80281.09682.16843.05812.83532.45653.87171.76322.45323.0590
H143.95712.88152.80282.16262.16841.09682.83533.05813.87172.45652.45321.76323.0590

picture of Cyclopentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 125.854 O1 C2 C4 125.854
C2 C3 C5 104.843 C2 C3 H7 106.973
C2 C3 H9 110.962 C2 C4 C6 104.843
C2 C4 H8 106.973 C2 C4 H10 110.962
C3 C2 C4 108.293 C3 C5 C6 103.914
C3 C5 H11 113.381 C3 C5 H13 109.843
C4 C6 C5 103.914 C4 C6 H12 113.381
C4 C6 H14 109.843 C5 C3 H7 111.086
C5 C3 H9 115.747 C5 C6 H12 112.797
C5 C6 H14 109.630 C6 C4 H8 111.086
C6 C4 H10 115.747 C6 C5 H11 112.797
C6 C5 H13 109.630 H7 C3 H9 106.952
H8 C4 H10 106.952 H11 C5 H13 107.249
H12 C6 H14 107.249
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.449      
2 C 0.426      
3 C -0.319      
4 C -0.319      
5 C -0.267      
6 C -0.267      
7 H 0.164      
8 H 0.164      
9 H 0.161      
10 H 0.161      
11 H 0.135      
12 H 0.135      
13 H 0.138      
14 H 0.138      


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 -2.936 2.936
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.648 -0.223 0.000
y -0.223 -34.406 0.000
z 0.000 0.000 -43.771
Traceless
 xyz
x 4.440 -0.223 0.000
y -0.223 4.804 0.000
z 0.000 0.000 -9.244
Polar
3z2-r2-18.488
x2-y2-0.243
xy-0.223
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.441 0.043 0.000
y 0.043 7.832 0.000
z 0.000 0.000 8.519


<r2> (average value of r2) Å2
<r2> 152.107
(<r2>)1/2 12.333