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All results from a given calculation for C5H8O (Cyclopentanone)

using model chemistry: B3LYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-270.673733
Energy at 298.15K-270.683365
HF Energy-270.673733
Nuclear repulsion energy235.509713
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/cc-pVTZ
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 3100 2996 5.98      
2 A 3087 2984 24.85      
3 A 3031 2930 24.37      
4 A 3024 2923 1.42      
5 A 1818 1757 240.14      
6 A 1514 1463 1.60      
7 A 1455 1406 0.02      
8 A 1343 1299 0.13      
9 A 1309 1265 1.65      
10 A 1223 1182 0.08      
11 A 1175 1136 0.50      
12 A 1034 1000 0.56      
13 A 966 934 0.12      
14 A 895 865 0.38      
15 A 809 782 1.98      
16 A 709 686 1.37      
17 A 570 551 5.24      
18 A 229 222 0.12      
19 B 3100 2997 25.57      
20 B 3091 2988 31.58      
21 B 3038 2937 41.56      
22 B 3024 2923 5.79      
23 B 1502 1451 4.40      
24 B 1453 1405 19.31      
25 B 1348 1303 2.69      
26 B 1299 1256 4.97      
27 B 1257 1215 1.31      
28 B 1170 1131 2.05      
29 B 1148 1109 76.88      
30 B 971 938 10.01      
31 B 927 896 0.85      
32 B 843 815 10.68      
33 B 590 570 2.57      
34 B 474 458 4.77      
35 B 454 438 3.32      
36 B 103 100 4.93      

Unscaled Zero Point Vibrational Energy (zpe) 26539.8 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 25653.4 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/cc-pVTZ
ABC
0.22144 0.11173 0.08013

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

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 0.926
C3 0.000 1.239 0.031
C4 0.000 -1.239 0.031
C5 0.294 0.713 -1.378
C6 -0.294 -0.713 -1.378
H7 -1.002 1.677 0.089
H8 1.002 -1.677 0.089
H9 0.696 1.988 0.407
H10 -0.696 -1.988 0.407
H11 -0.123 1.339 -2.166
H12 0.123 -1.339 -2.166
H13 1.374 0.666 -1.540
H14 -1.374 -0.666 -1.540

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.20412.43742.43743.59203.59202.82462.82462.72102.72104.50134.50133.97503.9750
C21.20411.52861.52862.42982.42982.12472.12472.16902.16903.37133.37132.90032.9003
C32.43741.52862.47881.53302.42611.09473.08381.08883.32272.20283.38952.16452.8263
C42.43741.52862.47882.42611.53303.08381.09473.32271.08883.38952.20282.82632.1645
C53.59202.42981.53302.42611.54322.18232.89232.22993.38571.08892.20451.09262.1708
C63.59202.42982.42611.53301.54322.89232.18233.38572.22992.20451.08892.17081.0926
H72.82462.12471.09473.08382.18232.89233.90621.75523.69072.44413.92973.05302.8778
H82.82462.12473.08381.09472.89232.18233.90623.69071.75523.92972.44412.87783.0530
H92.72102.16901.08883.32272.22993.38571.75523.69074.21212.77714.24412.44893.8883
H102.72102.16903.32271.08883.38572.22993.69071.75524.21214.24412.77713.88832.4489
H114.50133.37132.20283.38951.08892.20452.44413.92972.77714.24412.68841.75632.4445
H124.50133.37133.38952.20282.20451.08893.92972.44414.24412.77712.68842.44451.7563
H133.97502.90032.16452.82631.09262.17083.05302.87782.44893.88831.75632.44453.0538
H143.97502.90032.82632.16452.17081.09262.87783.05303.88832.44892.44451.75633.0538

picture of Cyclopentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 125.822 O1 C2 C4 125.822
C2 C3 C5 105.057 C2 C3 H7 107.015
C2 C3 H9 110.810 C2 C4 C6 105.057
C2 C4 H8 107.015 C2 C4 H10 110.810
C3 C2 C4 108.357 C3 C5 C6 104.121
C3 C5 H11 113.224 C3 C5 H13 109.922
C4 C6 C5 104.121 C4 C6 H12 113.224
C4 C6 H14 109.922 C5 C3 H7 111.205
C5 C3 H9 115.496 C5 C6 H12 112.616
C5 C6 H14 109.707 C6 C4 H8 111.205
C6 C4 H10 115.496 C6 C5 H11 112.616
C6 C5 H13 109.707 H7 C3 H9 106.996
H8 C4 H10 106.996 H11 C5 H13 107.237
H12 C6 H14 107.237
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.267      
2 C 0.200      
3 C -0.194      
4 C -0.194      
5 C -0.177      
6 C -0.177      
7 H 0.106      
8 H 0.106      
9 H 0.110      
10 H 0.110      
11 H 0.098      
12 H 0.098      
13 H 0.090      
14 H 0.090      


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 -3.047 3.047
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.387 -0.207 0.000
y -0.207 -35.419 0.000
z 0.000 0.000 -44.913
Traceless
 xyz
x 4.779 -0.207 0.000
y -0.207 4.731 0.000
z 0.000 0.000 -9.510
Polar
3z2-r2-19.020
x2-y20.032
xy-0.207
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.148 0.092 0.000
y 0.092 8.930 0.000
z 0.000 0.000 9.520


<r2> (average value of r2) Å2
<r2> 153.163
(<r2>)1/2 12.376