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All results from a given calculation for C5H8O (Cyclopentanone)

using model chemistry: B2PLYP/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B2PLYP/cc-pVDZ
 hartrees
Energy at 0K-270.296201
Energy at 298.15K-270.305839
HF Energy-270.008671
Nuclear repulsion energy234.751378
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 B2PLYP/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3140 3007 5.39      
2 A 3127 2995 21.55      
3 A 3062 2933 21.66      
4 A 3058 2928 4.48      
5 A 1820 1743 194.14      
6 A 1497 1434 1.12      
7 A 1435 1375 0.00      
8 A 1346 1289 0.77      
9 A 1307 1251 0.59      
10 A 1223 1171 0.03      
11 A 1177 1127 0.41      
12 A 1044 1000 0.64      
13 A 964 923 0.06      
14 A 913 875 0.28      
15 A 821 786 1.29      
16 A 713 683 0.88      
17 A 561 538 4.40      
18 A 248 238 0.12      
19 B 3141 3008 24.45      
20 B 3131 2999 29.00      
21 B 3066 2936 39.58      
22 B 3057 2928 7.73      
23 B 1481 1419 4.33      
24 B 1437 1376 18.63      
25 B 1343 1286 4.35      
26 B 1300 1245 9.57      
27 B 1252 1199 4.90      
28 B 1168 1118 59.72      
29 B 1159 1110 8.59      
30 B 978 937 9.37      
31 B 924 885 0.46      
32 B 853 817 9.83      
33 B 584 559 2.48      
34 B 471 451 4.68      
35 B 450 431 3.21      
36 B 100 96 4.26      

Unscaled Zero Point Vibrational Energy (zpe) 26674.9 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 25546.5 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 B2PLYP/cc-pVDZ
ABC
0.22037 0.11104 0.07994

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 2.139
C2 0.000 0.000 0.926
C3 0.000 1.242 0.026
C4 0.000 -1.242 0.026
C5 0.313 0.705 -1.377
C6 -0.313 -0.705 -1.377
H7 -1.018 1.669 0.067
H8 1.018 -1.669 0.067
H9 0.689 2.007 0.410
H10 -0.689 -2.007 0.410
H11 -0.071 1.344 -2.186
H12 0.071 -1.344 -2.186
H13 1.406 0.624 -1.512
H14 -1.406 -0.624 -1.512

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.21272.45082.45083.59983.59982.84852.84852.73652.73654.52894.52893.96123.9612
C21.21271.53371.53372.42922.42922.13532.13532.18352.18353.39023.39022.88232.8823
C32.45081.53372.48341.53442.42041.10493.08361.09903.34302.21493.40312.17292.7964
C42.45081.53372.48342.42041.53443.08361.10493.34301.09903.40312.21492.79642.1729
C53.59982.42921.53442.42041.54382.18792.86692.24303.39961.09932.21651.10352.1770
C63.59982.42922.42041.53441.54382.86692.18793.39962.24302.21651.09932.17701.1035
H72.84852.13531.10493.08362.18792.86693.90961.77363.70632.46523.91613.07552.8103
H82.84852.13533.08361.10492.86692.18793.90963.70631.77363.91612.46522.81033.0755
H92.73652.18351.09903.34302.24303.39961.77363.70634.24362.78484.28382.47443.8732
H102.73652.18353.34301.09903.39962.24303.70631.77364.24364.28382.78483.87322.4744
H114.52893.39022.21493.40311.09932.21652.46523.91612.78484.28382.69181.77532.4716
H124.52893.39023.40312.21492.21651.09933.91612.46524.28382.78482.69182.47161.7753
H133.96122.88232.17292.79641.10352.17703.07552.81032.47443.87321.77532.47163.0755
H143.96122.88232.79642.17292.17701.10352.81033.07553.87322.47442.47161.77533.0755

picture of Cyclopentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 125.942 O1 C2 C4 125.942
C2 C3 C5 104.701 C2 C3 H7 106.919
C2 C3 H9 110.995 C2 C4 C6 104.701
C2 C4 H8 106.919 C2 C4 H10 110.995
C3 C2 C4 108.117 C3 C5 C6 103.680
C3 C5 H11 113.451 C3 C5 H13 109.841
C4 C6 C5 103.680 C4 C6 H12 113.451
C4 C6 H14 109.841 C5 C3 H7 110.930
C5 C3 H9 115.820 C5 C6 H12 112.902
C5 C6 H14 109.522 C6 C4 H8 110.930
C6 C4 H10 115.820 C6 C5 H11 112.902
C6 C5 H13 109.522 H7 C3 H9 107.177
H8 C4 H10 107.177 H11 C5 H13 107.399
H12 C6 H14 107.399
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.203      
2 C 0.039      
3 C -0.017      
4 C -0.017      
5 C -0.041      
6 C -0.041      
7 H 0.051      
8 H 0.051      
9 H 0.040      
10 H 0.040      
11 H 0.020      
12 H 0.020      
13 H 0.027      
14 H 0.027      


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 -2.727 2.727
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.441 -0.231 0.000
y -0.231 -35.603 0.000
z 0.000 0.000 -44.129
Traceless
 xyz
x 4.425 -0.231 0.000
y -0.231 4.182 0.000
z 0.000 0.000 -8.607
Polar
3z2-r2-17.214
x2-y20.162
xy-0.231
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.672 0.074 0.000
y 0.074 8.219 0.000
z 0.000 0.000 8.778


<r2> (average value of r2) Å2
<r2> 153.610
(<r2>)1/2 12.394