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

using model chemistry: B1B95/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/STO-3G
 hartrees
Energy at 0K-267.033241
Energy at 298.15K-267.041431
HF Energy-267.033241
Nuclear repulsion energy226.190925
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 B1B95/STO-3G
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' 3590 3170 3.27      
2 A' 3534 3121 0.48      
3 A' 3499 3090 1.01      
4 A' 3436 3034 2.57      
5 A' 3340 2949 1.84      
6 A' 1887 1666 24.76      
7 A' 1663 1468 6.05      
8 A' 1633 1442 7.42      
9 A' 1536 1356 11.22      
10 A' 1493 1318 38.22      
11 A' 1327 1171 0.77      
12 A' 1242 1097 90.03      
13 A' 1225 1081 15.95      
14 A' 1173 1036 9.56      
15 A' 1066 942 17.52      
16 A' 1019 900 0.16      
17 A' 845 746 0.95      
18 A' 787 695 0.94      
19 A' 583 515 6.90      
20 A' 361 319 1.21      
21 A' 197 174 1.48      
22 A" 3585 3165 0.01      
23 A" 3506 3096 0.07      
24 A" 3428 3027 5.14      
25 A" 1664 1469 6.07      
26 A" 1584 1399 1.27      
27 A" 1297 1146 0.04      
28 A" 1240 1095 1.14      
29 A" 1217 1075 1.42      
30 A" 1122 991 2.88      
31 A" 1031 910 2.88      
32 A" 899 793 1.22      
33 A" 601 530 0.13      
34 A" 241 212 0.01      
35 A" 154 136 0.03      
36 A" 30 26 0.77      

Unscaled Zero Point Vibrational Energy (zpe) 28515.7 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 25179.3 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 B1B95/STO-3G
ABC
0.22789 0.08458 0.07334

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.545 -0.580 0.000
C2 -0.313 -0.773 0.000
C3 0.327 -2.187 0.000
C4 0.697 0.383 0.000
C5 0.327 1.658 0.754
C6 0.327 1.658 -0.754
H7 -0.453 -2.958 0.000
H8 0.960 -2.312 -0.889
H9 0.960 -2.312 0.889
H10 1.750 0.089 0.000
H11 -0.644 1.661 1.257
H12 1.121 2.191 1.280
H13 -0.644 1.661 -1.257
H14 1.121 2.191 -1.280

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.24722.46652.44033.01303.01302.61653.17183.17183.36212.72344.05292.72344.0529
C21.24721.55131.53562.62432.62432.18902.18522.18522.23572.76023.53322.76023.5332
C32.46651.55132.59703.91793.91791.09611.09831.09832.68464.16324.63024.16324.6302
C42.44031.53562.59701.52631.52633.53372.85012.85011.09332.23862.25532.23862.2553
C53.01302.62433.91791.52631.50754.74134.34244.02212.24851.09291.09232.23252.2477
C63.01302.62433.91791.52631.50754.74134.02214.34242.24852.23252.24771.09291.0923
H72.61652.18901.09613.53374.74134.74131.78941.78943.75984.79125.53444.79125.5344
H83.17182.18521.09832.85014.34244.02211.78941.77742.67944.79195.00074.30054.5230
H93.17182.18521.09832.85014.02214.34241.78941.77742.67944.30054.52304.79195.0007
H103.36212.23572.68461.09332.24852.24853.75982.67942.67943.12772.54033.12772.5403
H112.72342.76024.16322.23861.09292.23254.79124.79194.30053.12771.84282.51393.1355
H124.05293.53324.63022.25531.09232.24775.53445.00074.52302.54031.84283.13552.5599
H132.72342.76024.16322.23862.23251.09294.79124.30054.79193.12772.51393.13551.8428
H144.05293.53324.63022.25532.24771.09235.53444.52305.00072.54033.13552.55991.8428

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 123.241 O1 C2 C4 122.204
C2 C3 H7 110.365 C2 C3 H8 109.943
C2 C3 H9 109.943 C2 C4 C5 117.988
C2 C4 C6 117.988 C2 C4 H10 115.496
C3 C2 C4 114.555 C4 C5 C6 60.406
C4 C5 H11 116.480 C4 C5 H12 117.969
C4 C6 C5 60.406 C4 C6 H13 116.480
C4 C6 H14 117.969 C5 C4 C6 59.188
C5 C4 H10 117.307 C5 C6 H13 117.417
C5 C6 H14 118.800 C6 C4 H10 117.307
C6 C5 H11 117.417 C6 C5 H12 118.800
H7 C3 H8 109.259 H7 C3 H9 109.259
H8 C3 H9 108.030 H11 C5 H12 114.982
H13 C6 H14 114.982
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.193      
2 C 0.163      
3 C -0.251      
4 C -0.111      
5 C -0.165      
6 C -0.165      
7 H 0.090      
8 H 0.088      
9 H 0.088      
10 H 0.085      
11 H 0.096      
12 H 0.089      
13 H 0.096      
14 H 0.089      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.747 -0.053 0.000 1.747
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.614 -0.516 0.000
y -0.516 -32.782 0.000
z 0.000 0.000 -33.612
Traceless
 xyz
x -2.418 -0.516 0.000
y -0.516 1.831 0.000
z 0.000 0.000 0.586
Polar
3z2-r21.173
x2-y2-2.833
xy-0.516
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.467 0.165 0.000
y 0.165 4.966 0.000
z 0.000 0.000 3.290


<r2> (average value of r2) Å2
<r2> 172.445
(<r2>)1/2 13.132