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All results from a given calculation for C5H8O (Cyclopentanone)

using model chemistry: mPW1PW91/aug-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 mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-270.545705
Energy at 298.15K-270.555348
HF Energy-270.545705
Nuclear repulsion energy235.717173
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 mPW1PW91/aug-cc-pVDZ
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 3147 3016 4.73      
2 A 3132 3001 21.04      
3 A 3069 2941 25.25      
4 A 3062 2935 3.43      
5 A 1840 1763 261.92      
6 A 1497 1435 2.13      
7 A 1435 1375 0.00      
8 A 1337 1281 0.23      
9 A 1299 1245 1.38      
10 A 1214 1163 0.12      
11 A 1178 1129 0.43      
12 A 1047 1004 0.80      
13 A 953 913 0.19      
14 A 918 880 0.44      
15 A 824 790 1.73      
16 A 713 683 0.63      
17 A 567 543 6.06      
18 A 230 221 0.13      
19 B 3148 3017 22.19      
20 B 3138 3007 29.61      
21 B 3073 2945 38.59      
22 B 3062 2934 5.48      
23 B 1481 1419 5.59      
24 B 1435 1375 22.18      
25 B 1333 1277 2.29      
26 B 1293 1239 14.04      
27 B 1251 1199 7.86      
28 B 1175 1126 54.66      
29 B 1158 1110 5.40      
30 B 982 941 9.33      
31 B 920 881 0.51      
32 B 847 811 9.04      
33 B 587 563 2.41      
34 B 475 455 7.19      
35 B 452 433 2.26      
36 B 104 100 5.40      

Unscaled Zero Point Vibrational Energy (zpe) 26687.7 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 25574.8 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 mPW1PW91/aug-cc-pVDZ
ABC
0.22216 0.11207 0.08052

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 2.127
C2 0.000 0.000 0.919
C3 0.000 1.236 0.030
C4 0.000 -1.236 0.030
C5 0.299 0.708 -1.374
C6 -0.299 -0.708 -1.374
H7 -1.011 1.668 0.085
H8 1.011 -1.668 0.085
H9 0.694 1.992 0.412
H10 -0.694 -1.992 0.412
H11 -0.110 1.340 -2.170
H12 0.110 -1.340 -2.170
H13 1.386 0.651 -1.528
H14 -1.386 -0.651 -1.528

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.20832.43502.43503.58503.58502.82402.82402.71872.71874.50314.50313.96333.9633
C21.20831.52301.52302.41882.41882.12132.12132.16942.16943.36933.36932.88692.8869
C32.43501.52302.47241.52932.41691.10113.07571.09513.32392.20503.38942.16562.8124
C42.43501.52302.47242.41691.52933.07571.10113.32391.09513.38942.20502.81242.1656
C53.58502.41881.52932.41691.53812.18382.87822.23473.38661.09572.20571.09912.1709
C63.58502.41882.41691.52931.53812.87822.18383.38662.23472.20571.09572.17091.0991
H72.82402.12131.10113.07572.18382.87823.90121.76663.68792.45103.92343.06352.8498
H82.82402.12133.07571.10112.87822.18383.90123.68791.76663.92342.45102.84983.0635
H92.71872.16941.09513.32392.23473.38661.76663.68794.21872.78234.25572.45773.8830
H102.71872.16943.32391.09513.38662.23473.68791.76664.21874.25572.78233.88302.4577
H114.50313.36932.20503.38941.09572.20572.45103.92342.78234.25572.68891.76812.4504
H124.50313.36933.38942.20502.20571.09573.92342.45104.25572.78232.68892.45041.7681
H133.96332.88692.16562.81241.09912.17093.06352.84982.45773.88301.76812.45043.0629
H143.96332.88692.81242.16562.17091.09912.84983.06353.88302.45772.45041.76813.0629

picture of Cyclopentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 125.738 O1 C2 C4 125.738
C2 C3 C5 104.832 C2 C3 H7 106.777
C2 C3 H9 110.853 C2 C4 C6 104.832
C2 C4 H8 106.777 C2 C4 H10 110.853
C3 C2 C4 108.523 C3 C5 C6 103.988
C3 C5 H11 113.256 C3 C5 H13 109.881
C4 C6 C5 103.988 C4 C6 H12 113.256
C4 C6 H14 109.881 C5 C3 H7 111.201
C5 C3 H9 115.767 C5 C6 H12 112.669
C5 C6 H14 109.689 C6 C4 H8 111.201
C6 C4 H10 115.767 C6 C5 H11 112.669
C6 C5 H13 109.689 H7 C3 H9 107.104
H8 C4 H10 107.104 H11 C5 H13 107.335
H12 C6 H14 107.335
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.631      
2 C 0.211      
3 C 0.363      
4 C 0.363      
5 C 0.635      
6 C 0.635      
7 H -0.114      
8 H -0.114      
9 H -0.180      
10 H -0.180      
11 H -0.198      
12 H -0.198      
13 H -0.296      
14 H -0.296      


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 -3.271 3.271
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.095 -0.199 0.000
y -0.199 -35.089 0.000
z 0.000 0.000 -45.224
Traceless
 xyz
x 5.061 -0.199 0.000
y -0.199 5.071 0.000
z 0.000 0.000 -10.132
Polar
3z2-r2-20.264
x2-y2-0.006
xy-0.199
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.433 0.095 0.000
y 0.095 9.361 0.000
z 0.000 0.000 10.114


<r2> (average value of r2) Å2
<r2> 152.668
(<r2>)1/2 12.356