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All results from a given calculation for C5H8O (Methyl cyclopropyl ketone)

using model chemistry: B2PLYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/3-21G*
 hartrees
Energy at 0K-268.658957
Energy at 298.15K-268.667704
HF Energy-268.464707
Nuclear repulsion energy229.557751
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/3-21G*
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' 3300 3300 3.24      
2 A' 3249 3249 4.06      
3 A' 3195 3195 5.92      
4 A' 3185 3185 10.08      
5 A' 3074 3074 1.87      
6 A' 1698 1698 43.40      
7 A' 1543 1543 9.39      
8 A' 1528 1528 12.84      
9 A' 1450 1450 26.78      
10 A' 1414 1414 79.61      
11 A' 1216 1216 102.60      
12 A' 1199 1199 6.13      
13 A' 1134 1134 8.08      
14 A' 1111 1111 13.50      
15 A' 990 990 49.41      
16 A' 886 886 24.44      
17 A' 835 835 3.29      
18 A' 767 767 0.21      
19 A' 589 589 5.74      
20 A' 386 386 5.74      
21 A' 257 257 4.78      
22 A" 3284 3284 0.47      
23 A" 3193 3193 8.72      
24 A" 3132 3132 6.83      
25 A" 1565 1565 12.34      
26 A" 1514 1514 6.99      
27 A" 1249 1249 0.01      
28 A" 1168 1168 2.39      
29 A" 1160 1160 3.97      
30 A" 1107 1107 7.25      
31 A" 917 917 2.28      
32 A" 808 808 3.78      
33 A" 645 645 0.81      
34 A" 270 270 0.11      
35 A" 148 148 0.28      
36 A" 74 74 2.24      

Unscaled Zero Point Vibrational Energy (zpe) 26618.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 26618.7 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/3-21G*
ABC
0.23518 0.08839 0.07688

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.333 -0.842 0.000
C2 -0.089 -0.792 0.000
C3 0.785 -2.037 0.000
C4 0.631 0.512 0.000
C5 -0.089 1.644 0.753
C6 -0.089 1.644 -0.753
H7 0.151 -2.924 0.000
H8 1.430 -2.041 -0.885
H9 1.430 -2.041 0.885
H10 1.710 0.487 0.000
H11 -1.007 1.346 1.241
H12 0.527 2.366 1.272
H13 -1.007 1.346 -1.241
H14 0.527 2.366 -1.272

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.24512.43182.38462.88042.88042.55643.13923.13923.32042.53643.92022.53643.9202
C21.24511.52121.48862.55002.55002.14522.15642.15642.20702.63743.46002.63743.4600
C32.43181.52122.55343.85803.85801.09001.09521.09522.68824.02504.59094.02504.5909
C42.38461.48862.55341.53891.53893.46862.81752.81751.07992.21792.25162.21792.2516
C52.88042.55003.85801.53891.50704.63594.30973.98822.26781.08181.08122.21572.2368
C62.88042.55003.85801.53891.50704.63593.98824.30972.26782.21572.23681.08181.0812
H72.55642.14521.09003.46864.63594.63591.78851.78853.75014.59515.45384.59515.4538
H83.13922.15641.09522.81754.30973.98821.78851.77042.69304.68354.98964.18844.5157
H93.13922.15641.09522.81753.98824.30971.78851.77042.69304.18844.51574.68354.9896
H103.32042.20702.68821.07992.26782.26783.75012.69302.69303.10862.55973.10862.5597
H112.53642.63744.02502.21791.08182.21574.59514.68354.18843.10861.84242.48123.1157
H123.92023.46004.59092.25161.08122.23685.45384.98964.51572.55971.84243.11572.5444
H132.53642.63744.02502.21792.21571.08184.59514.18844.68353.10862.48123.11571.8424
H143.92023.46004.59092.25162.23681.08125.45384.51574.98962.55973.11572.54441.8424

picture of Methyl cyclopropyl ketone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 122.751 O1 C2 C4 121.189
C2 C3 H7 109.369 C2 C3 H8 109.945
C2 C3 H9 109.945 C2 C4 C5 114.755
C2 C4 C6 114.755 C2 C4 H10 117.578
C3 C2 C4 116.059 C4 C5 C6 60.683
C4 C5 H11 114.503 C4 C5 H12 117.427
C4 C6 C5 60.683 C4 C6 H13 114.503
C4 C6 H14 117.427 C5 C4 C6 58.635
C5 C4 H10 118.950 C5 C6 H13 116.761
C5 C6 H14 118.671 C6 C4 H10 118.950
C6 C5 H11 116.761 C6 C5 H12 118.671
H7 C3 H8 109.859 H7 C3 H9 109.859
H8 C3 H9 107.847 H11 C5 H12 116.819
H13 C6 H14 116.819
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.462      
2 C 0.484      
3 C -0.628      
4 C -0.418      
5 C -0.349      
6 C -0.349      
7 H 0.222      
8 H 0.214      
9 H 0.214      
10 H 0.197      
11 H 0.230      
12 H 0.208      
13 H 0.230      
14 H 0.208      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.525 0.519 0.000 2.578
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.008 -1.753 0.000
y -1.753 -35.156 0.000
z 0.000 0.000 -36.313
Traceless
 xyz
x -3.274 -1.753 0.000
y -1.753 2.505 0.000
z 0.000 0.000 0.769
Polar
3z2-r21.539
x2-y2-3.852
xy-1.753
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.069 -0.136 0.000
y -0.136 8.310 0.000
z 0.000 0.000 5.910


<r2> (average value of r2) Å2
<r2> 168.041
(<r2>)1/2 12.963