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All results from a given calculation for C5H8O (Cyclopentanone)

using model chemistry: B3LYP/TZVP

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/TZVP
 hartrees
Energy at 0K-270.670724
Energy at 298.15K-270.680364
HF Energy-270.670724
Nuclear repulsion energy235.302727
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/TZVP
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 3104 2997 6.31      
2 A 3093 2986 24.10      
3 A 3036 2931 24.27      
4 A 3028 2923 1.84      
5 A 1814 1751 258.09      
6 A 1517 1465 1.90      
7 A 1457 1407 0.00      
8 A 1347 1300 0.05      
9 A 1313 1267 2.16      
10 A 1225 1183 0.05      
11 A 1179 1139 0.49      
12 A 1035 1000 0.70      
13 A 971 937 0.19      
14 A 896 865 0.45      
15 A 810 782 1.77      
16 A 711 686 1.40      
17 A 572 552 5.36      
18 A 230 223 0.14      
19 B 3105 2998 26.44      
20 B 3097 2989 30.50      
21 B 3043 2937 41.33      
22 B 3028 2923 5.60      
23 B 1504 1452 5.13      
24 B 1456 1406 20.94      
25 B 1350 1303 1.90      
26 B 1303 1258 6.18      
27 B 1261 1218 1.44      
28 B 1174 1134 1.43      
29 B 1149 1109 76.28      
30 B 972 939 11.32      
31 B 931 899 0.93      
32 B 844 815 11.25      
33 B 591 571 2.67      
34 B 476 459 4.90      
35 B 454 439 3.21      
36 B 105 102 5.48      

Unscaled Zero Point Vibrational Energy (zpe) 26590.0 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 25670.0 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/TZVP
ABC
0.22099 0.11158 0.08001

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 2.131
C2 0.000 0.000 0.925
C3 0.000 1.241 0.031
C4 0.000 -1.241 0.031
C5 0.295 0.714 -1.379
C6 -0.295 -0.714 -1.379
H7 -1.003 1.679 0.090
H8 1.003 -1.679 0.090
H9 0.698 1.989 0.407
H10 -0.698 -1.989 0.407
H11 -0.124 1.340 -2.168
H12 0.124 -1.340 -2.168
H13 1.375 0.667 -1.541
H14 -1.375 -0.667 -1.541

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.20602.43922.43923.59463.59462.82732.82732.72302.72304.50474.50473.97803.9780
C21.20601.52931.52932.43062.43062.12692.12692.17052.17053.37303.37302.90182.9018
C32.43921.52932.48141.53432.42831.09603.08791.09023.32542.20453.39272.16652.8289
C42.43921.52932.48142.42831.53433.08791.09603.32541.09023.39272.20452.82892.1665
C53.59462.43061.53432.42831.54442.18482.89582.23183.38851.09022.20661.09382.1728
C63.59462.43062.42831.53431.54442.89582.18483.38852.23182.20661.09022.17281.0938
H72.82732.12691.09603.08792.18482.89583.91161.75783.69432.44603.93453.05622.8814
H82.82732.12693.08791.09602.89582.18483.91163.69431.75783.93452.44602.88143.0562
H92.72302.17051.09023.32542.23183.38851.75783.69434.21552.77974.24762.45023.8922
H102.72302.17053.32541.09023.38852.23183.69431.75784.21554.24762.77973.89222.4502
H114.50473.37302.20453.39271.09022.20662.44603.93452.77974.24762.69161.75872.4468
H124.50473.37303.39272.20452.20661.09023.93452.44604.24762.77972.69162.44681.7587
H133.97802.90182.16652.82891.09382.17283.05622.88142.45023.89221.75872.44683.0570
H143.97802.90182.82892.16652.17281.09382.88143.05623.89222.45022.44681.75873.0570

picture of Cyclopentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 125.779 O1 C2 C4 125.779
C2 C3 C5 105.003 C2 C3 H7 107.063
C2 C3 H9 110.790 C2 C4 C6 105.003
C2 C4 H8 107.063 C2 C4 H10 110.790
C3 C2 C4 108.442 C3 C5 C6 104.133
C3 C5 H11 113.182 C3 C5 H13 109.912
C4 C6 C5 104.133 C4 C6 H12 113.182
C4 C6 H14 109.912 C5 C3 H7 111.231
C5 C3 H9 115.458 C5 C6 H12 112.619
C5 C6 H14 109.713 C6 C4 H8 111.231
C6 C4 H10 115.458 C6 C5 H11 112.619
C6 C5 H13 109.713 H7 C3 H9 107.038
H8 C4 H10 107.038 H11 C5 H13 107.267
H12 C6 H14 107.267
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.260      
2 C 0.125      
3 C -0.252      
4 C -0.252      
5 C -0.250      
6 C -0.250      
7 H 0.149      
8 H 0.149      
9 H 0.153      
10 H 0.153      
11 H 0.138      
12 H 0.138      
13 H 0.130      
14 H 0.130      


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 -3.187 3.187
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.486 -0.202 0.000
y -0.202 -35.412 0.000
z 0.000 0.000 -45.501
Traceless
 xyz
x 4.971 -0.202 0.000
y -0.202 5.081 0.000
z 0.000 0.000 -10.052
Polar
3z2-r2-20.103
x2-y2-0.073
xy-0.202
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.140 0.068 0.000
y 0.068 8.856 0.000
z 0.000 0.000 9.563


<r2> (average value of r2) Å2
<r2> 153.510
(<r2>)1/2 12.390