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All results from a given calculation for C5H8O (Cyclopentanone)

using model chemistry: B3LYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYP/Def2TZVPP
 hartrees
Energy at 0K-270.683513
Energy at 298.15K-270.693129
HF Energy-270.683513
Nuclear repulsion energy235.528462
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 B3LYP/Def2TZVPP
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 3102 2986 5.93      
2 A 3090 2974 24.02      
3 A 3034 2920 24.61      
4 A 3027 2913 1.20      
5 A 1813 1745 253.01      
6 A 1514 1457 1.66      
7 A 1454 1400 0.02      
8 A 1344 1294 0.13      
9 A 1309 1260 1.67      
10 A 1223 1177 0.09      
11 A 1176 1132 0.50      
12 A 1035 996 0.58      
13 A 966 930 0.11      
14 A 896 863 0.37      
15 A 810 780 2.09      
16 A 710 683 1.38      
17 A 571 549 5.31      
18 A 229 221 0.12      
19 B 3103 2987 24.52      
20 B 3094 2978 30.43      
21 B 3041 2927 40.52      
22 B 3027 2914 5.45      
23 B 1502 1445 4.53      
24 B 1453 1398 19.79      
25 B 1349 1298 2.36      
26 B 1299 1251 4.99      
27 B 1258 1211 1.28      
28 B 1170 1126 2.00      
29 B 1149 1106 74.86      
30 B 971 935 9.67      
31 B 928 893 0.83      
32 B 843 812 10.61      
33 B 590 568 2.55      
34 B 474 456 4.89      
35 B 454 437 3.32      
36 B 104 100 5.14      

Unscaled Zero Point Vibrational Energy (zpe) 26554.0 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 25560.9 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 B3LYP/Def2TZVPP
ABC
0.22145 0.11177 0.08015

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 2.130
C2 0.000 0.000 0.928
C3 0.000 1.240 0.032
C4 0.000 -1.240 0.032
C5 0.295 0.713 -1.380
C6 -0.295 -0.713 -1.380
H7 -1.001 1.679 0.087
H8 1.001 -1.679 0.087
H9 0.699 1.986 0.406
H10 -0.699 -1.986 0.406
H11 -0.120 1.339 -2.168
H12 0.120 -1.339 -2.168
H13 1.375 0.664 -1.539
H14 -1.375 -0.664 -1.539

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.20162.43702.43703.59323.59322.82722.82722.72092.72094.50324.50323.97343.9734
C21.20161.52991.52992.43332.43332.12772.12772.16922.16923.37553.37552.90102.9010
C32.43701.52992.47951.53512.42721.09423.08571.08893.32182.20533.39172.16532.8247
C42.43701.52992.47952.42721.53513.08571.09423.32181.08893.39172.20532.82472.1653
C53.59322.43331.53512.42721.54302.18232.89262.23013.38541.08912.20521.09242.1699
C63.59322.43332.42721.53511.54302.89262.18233.38542.23012.20521.08912.16991.0924
H72.82722.12771.09423.08572.18232.89263.90861.75653.69102.44463.93023.05232.8754
H82.82722.12773.08571.09422.89262.18233.90863.69101.75653.93022.44462.87543.0523
H92.72092.16921.08893.32182.23013.38541.75653.69104.21092.77774.24492.44723.8863
H102.72092.16923.32181.08893.38542.23013.69101.75654.21094.24492.77773.88632.4472
H114.50323.37552.20533.39171.08912.20522.44463.93022.77774.24492.68891.75672.4458
H124.50323.37553.39172.20532.20521.08913.93022.44464.24492.77772.68892.44581.7567
H133.97342.90102.16532.82471.09242.16993.05232.87542.44723.88631.75672.44583.0531
H143.97342.90102.82472.16532.16991.09242.87543.05233.88632.44722.44581.75673.0531

picture of Cyclopentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 125.870 O1 C2 C4 125.870
C2 C3 C5 105.101 C2 C3 H7 107.191
C2 C3 H9 110.727 C2 C4 C6 105.101
C2 C4 H8 107.191 C2 C4 H10 110.727
C3 C2 C4 108.260 C3 C5 C6 104.099
C3 C5 H11 113.262 C3 C5 H13 109.842
C4 C6 C5 104.099 C4 C6 H12 113.262
C4 C6 H14 109.842 C5 C3 H7 111.090
C5 C3 H9 115.345 C5 C6 H12 112.680
C5 C6 H14 109.661 C6 C4 H8 111.090
C6 C4 H10 115.345 C6 C5 H11 112.680
C6 C5 H13 109.661 H7 C3 H9 107.143
H8 C4 H10 107.143 H11 C5 H13 107.275
H12 C6 H14 107.275
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.274      
2 C 0.131      
3 C -0.110      
4 C -0.110      
5 C -0.138      
6 C -0.138      
7 H 0.084      
8 H 0.084      
9 H 0.087      
10 H 0.087      
11 H 0.073      
12 H 0.073      
13 H 0.074      
14 H 0.074      


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 -3.145 3.145
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.431 -0.200 0.000
y -0.200 -35.428 0.000
z 0.000 0.000 -45.245
Traceless
 xyz
x 4.906 -0.200 0.000
y -0.200 4.910 0.000
z 0.000 0.000 -9.815
Polar
3z2-r2-19.631
x2-y2-0.003
xy-0.200
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.267 0.090 0.000
y 0.090 9.071 0.000
z 0.000 0.000 9.750


<r2> (average value of r2) Å2
<r2> 153.215
(<r2>)1/2 12.378