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All results from a given calculation for C4H6O (Cyclobutanone)

using model chemistry: PBEPBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-231.023905
Energy at 298.15K-231.030467
Nuclear repulsion energy166.870529
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 PBEPBE/cc-pVTZ
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' 3070 3049 20.86      
2 A' 3034 3013 3.96      
3 A' 3018 2997 23.56      
4 A' 2990 2969 7.17      
5 A' 1808 1796 285.06      
6 A' 1444 1434 1.23      
7 A' 1386 1377 1.69      
8 A' 1185 1177 6.23      
9 A' 1180 1172 1.19      
10 A' 1051 1044 0.05      
11 A' 954 948 2.88      
12 A' 818 813 3.25      
13 A' 714 709 4.03      
14 A' 656 651 1.07      
15 A' 385 382 0.48      
16 A' 40 40 3.62      
17 A" 3039 3018 1.76      
18 A" 2985 2965 13.14      
19 A" 1368 1359 20.10      
20 A" 1221 1213 7.90      
21 A" 1185 1177 0.37      
22 A" 1134 1126 1.89      
23 A" 1043 1036 86.76      
24 A" 911 905 0.66      
25 A" 906 900 0.21      
26 A" 589 585 0.03      
27 A" 445 442 1.78      

Unscaled Zero Point Vibrational Energy (zpe) 19279.6 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 19146.5 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 PBEPBE/cc-pVTZ
ABC
0.35959 0.15910 0.11799

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.252 1.866 0.000
C2 -0.056 0.676 0.000
C3 0.089 -0.380 1.109
C4 0.089 -0.380 -1.109
C5 0.089 -1.475 0.000
H6 -0.819 -2.090 0.000
H7 0.961 -2.137 0.000
H8 1.036 -0.279 1.659
H9 1.036 -0.279 -1.659
H10 -0.730 -0.397 1.842
H11 -0.730 -0.397 -1.842

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.20582.52792.52793.35803.99604.18293.00203.00202.95632.9563
C21.20581.53831.53832.15582.86912.99152.20362.20362.23552.2355
C32.52791.53832.21811.55832.23072.25361.10012.92721.09873.0621
C42.52791.53832.21811.55832.23072.25362.92721.10013.06211.0987
C53.35802.15581.55831.55831.09601.09542.25362.25362.28552.2855
H63.99602.86912.23072.23071.09601.78023.07733.07732.50302.5030
H74.18292.99152.25362.25361.09541.78022.49192.49193.04643.0464
H83.00202.20361.10012.92722.25363.07732.49193.31761.77963.9224
H93.00202.20362.92721.10012.25363.07732.49193.31763.92241.7796
H102.95632.23551.09873.06212.28552.50303.04641.77963.92243.6830
H112.95632.23553.06211.09872.28552.50303.04643.92241.77963.6830

picture of Cyclobutanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 133.845 O1 C2 C4 133.845
C2 C3 C5 88.238 C2 C3 H8 112.217
C2 C3 H10 114.912 C2 C4 C5 88.238
C2 C4 H9 112.217 C2 C4 H11 114.912
C3 C2 C4 92.269 C3 C5 C4 90.743
C3 C5 H6 113.213 C3 C5 H7 115.141
C4 C5 H6 113.213 C4 C5 H7 115.141
C5 C3 H8 114.840 C5 C3 H10 117.628
C5 C4 H9 114.840 C5 C4 H11 117.628
H6 C5 H7 108.658 H8 C3 H10 108.064
H9 C4 H11 108.064
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.217      
2 C 0.154      
3 C -0.174      
4 C -0.174      
5 C -0.154      
6 H 0.089      
7 H 0.088      
8 H 0.098      
9 H 0.098      
10 H 0.095      
11 H 0.095      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.457 -2.722 0.000 2.760
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.685 0.965 0.000
y 0.965 -36.336 0.000
z 0.000 0.000 -29.150
Traceless
 xyz
x 4.058 0.965 0.000
y 0.965 -7.419 0.000
z 0.000 0.000 3.361
Polar
3z2-r26.721
x2-y27.652
xy0.965
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.856 -0.292 0.000
y -0.292 8.080 0.000
z 0.000 0.000 7.691


<r2> (average value of r2) Å2
<r2> 106.909
(<r2>)1/2 10.340