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All results from a given calculation for C4H6O (Cyclobutanone)

using model chemistry: LSDA/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at LSDA/6-31G*
 hartrees
Energy at 0K-229.975151
Energy at 298.15K-229.981773
Nuclear repulsion energy167.964931
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 LSDA/6-31G*
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' 3099 3041 11.25      
2 A' 3066 3009 1.19      
3 A' 3040 2983 17.49      
4 A' 3011 2955 6.36      
5 A' 1888 1853 260.85      
6 A' 1457 1430 2.41      
7 A' 1398 1371 3.00      
8 A' 1201 1178 12.28      
9 A' 1187 1165 1.70      
10 A' 1063 1043 0.95      
11 A' 994 976 3.13      
12 A' 848 833 0.57      
13 A' 726 712 6.07      
14 A' 668 655 3.83      
15 A' 385 378 0.12      
16 A' 64 63 3.97      
17 A" 3071 3013 2.08      
18 A" 3007 2950 3.27      
19 A" 1378 1352 26.96      
20 A" 1239 1215 12.78      
21 A" 1189 1167 1.88      
22 A" 1144 1123 4.91      
23 A" 1084 1064 91.99      
24 A" 951 934 0.54      
25 A" 916 899 0.05      
26 A" 594 583 0.01      
27 A" 451 443 2.01      

Unscaled Zero Point Vibrational Energy (zpe) 19558.9 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 19193.1 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 LSDA/6-31G*
ABC
0.36357 0.16157 0.12031

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.397 1.827 0.000
C2 -0.088 0.663 0.000
C3 0.140 -0.368 1.096
C4 0.140 -0.368 -1.096
C5 0.140 -1.452 0.000
H6 -0.782 -2.054 0.000
H7 1.002 -2.136 0.000
H8 1.118 -0.225 1.590
H9 1.118 -0.225 -1.590
H10 -0.633 -0.412 1.883
H11 -0.633 -0.412 -1.883

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.20422.51162.51163.32233.90014.20233.00623.00622.93482.9348
C21.20421.52211.52212.12702.80443.00352.18492.18492.23542.2354
C32.51161.52212.19211.54122.21222.25131.10552.86261.10353.0777
C42.51161.52212.19211.54122.21222.25132.86261.10553.07771.1035
C53.32232.12701.54121.54121.10131.10052.23412.23412.28532.2853
H63.90012.80442.21222.21221.10131.78603.07993.07992.50282.5028
H74.20233.00352.25132.25131.10051.78602.48852.48853.03113.0311
H83.00622.18491.10552.86262.23413.07992.48853.18071.78503.8940
H93.00622.18492.86261.10552.23413.07992.48853.18073.89401.7850
H102.93482.23541.10353.07772.28532.50283.03111.78503.89403.7655
H112.93482.23543.07771.10352.28532.50283.03113.89401.78503.7655

picture of Cyclobutanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 133.889 O1 C2 C4 133.889
C2 C3 C5 87.947 C2 C3 H8 111.528
C2 C3 H10 115.809 C2 C4 C5 87.947
C2 C4 H9 111.528 C2 C4 H11 115.809
C3 C2 C4 92.126 C3 C5 C4 90.660
C3 C5 H6 112.620 C3 C5 H7 115.904
C4 C5 H6 112.620 C4 C5 H7 115.904
C5 C3 H8 114.140 C5 C3 H10 118.625
C5 C4 H9 114.140 C5 C4 H11 118.625
H6 C5 H7 108.413 H8 C3 H10 107.818
H9 C4 H11 107.818
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.365      
2 C 0.368      
3 C -0.415      
4 C -0.415      
5 C -0.358      
6 H 0.186      
7 H 0.178      
8 H 0.206      
9 H 0.206      
10 H 0.204      
11 H 0.204      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.748 -2.679 0.000 2.782
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.177 1.488 0.000
y 1.488 -35.350 0.000
z 0.000 0.000 -28.154
Traceless
 xyz
x 3.575 1.488 0.000
y 1.488 -7.185 0.000
z 0.000 0.000 3.610
Polar
3z2-r27.220
x2-y27.173
xy1.488
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.238 -0.416 0.000
y -0.416 6.897 0.000
z 0.000 0.000 6.524


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000