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All results from a given calculation for C4H6O (Cyclobutanone)

using model chemistry: BLYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/6-311G**
 hartrees
Energy at 0K-231.200319
Energy at 298.15K-231.206862
Nuclear repulsion energy165.803824
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 BLYP/6-311G**
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' 3049 3037 35.12      
2 A' 3012 3000 9.19      
3 A' 3001 2990 27.20      
4 A' 2974 2962 8.19      
5 A' 1788 1781 277.96      
6 A' 1461 1456 1.05      
7 A' 1409 1403 1.56      
8 A' 1192 1188 6.18      
9 A' 1183 1178 0.15      
10 A' 1057 1053 0.10      
11 A' 929 925 2.49      
12 A' 802 799 3.13      
13 A' 720 718 4.26      
14 A' 646 643 0.52      
15 A' 390 389 0.70      
16 A' 38 37 3.55      
17 A" 3017 3005 1.33      
18 A" 2969 2957 23.03      
19 A" 1393 1387 17.82      
20 A" 1224 1220 4.90      
21 A" 1187 1183 0.20      
22 A" 1144 1140 1.17      
23 A" 1015 1011 95.73      
24 A" 918 914 0.12      
25 A" 878 875 1.26      
26 A" 611 608 0.02      
27 A" 436 435 1.52      

Unscaled Zero Point Vibrational Energy (zpe) 19221.1 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 19146.1 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 BLYP/6-311G**
ABC
0.35503 0.15683 0.11612

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.185 1.886 0.000
C2 -0.041 0.687 0.000
C3 0.065 -0.386 1.119
C4 0.065 -0.386 -1.119
C5 0.065 -1.490 0.000
H6 -0.838 -2.111 0.000
H7 0.943 -2.146 0.000
H8 0.999 -0.305 1.696
H9 0.999 -0.305 -1.696
H10 -0.776 -0.390 1.827
H11 -0.776 -0.390 -1.827

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.20752.54482.54483.38504.04994.18663.01303.01302.97762.9776
C21.20751.55391.55392.17952.90942.99892.22302.22302.24452.2445
C32.54481.55392.23801.57192.24602.26281.10042.96721.09953.0637
C42.54481.55392.23801.57192.24602.26282.96721.10043.06371.0995
C53.38502.17951.57191.57191.09651.09602.27002.27002.29242.2924
H64.04992.90942.24602.24601.09651.78213.08453.08452.51062.5106
H74.18662.99892.26282.26281.09601.78212.50402.50403.06213.0621
H83.01302.22301.10042.96722.27003.08452.50403.39281.78143.9459
H93.01302.22302.96721.10042.27003.08452.50403.39283.94591.7814
H102.97762.24451.09953.06372.29242.51063.06211.78143.94593.6538
H112.97762.24453.06371.09952.29242.51063.06213.94591.78143.6538

picture of Cyclobutanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 133.922 O1 C2 C4 133.922
C2 C3 C5 88.412 C2 C3 H8 112.637
C2 C3 H10 114.454 C2 C4 C5 88.412
C2 C4 H9 112.637 C2 C4 H11 114.454
C3 C2 C4 92.130 C3 C5 C4 90.775
C3 C5 H6 113.442 C3 C5 H7 114.851
C4 C5 H6 113.442 C4 C5 H7 114.851
C5 C3 H8 115.168 C5 C3 H10 117.111
C5 C4 H9 115.168 C5 C4 H11 117.111
H6 C5 H7 108.741 H8 C3 H10 108.142
H9 C4 H11 108.142
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.238      
2 C 0.154      
3 C -0.226      
4 C -0.226      
5 C -0.232      
6 H 0.119      
7 H 0.116      
8 H 0.134      
9 H 0.134      
10 H 0.132      
11 H 0.132      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.322 -2.613 0.000 2.633
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.824 0.696 0.000
y 0.696 -36.493 0.000
z 0.000 0.000 -29.422
Traceless
 xyz
x 4.133 0.696 0.000
y 0.696 -7.370 0.000
z 0.000 0.000 3.237
Polar
3z2-r26.473
x2-y27.669
xy0.696
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.527 -0.209 0.000
y -0.209 7.630 0.000
z 0.000 0.000 7.301


<r2> (average value of r2) Å2
<r2> 108.274
(<r2>)1/2 10.405