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All results from a given calculation for C4H6O (Cyclobutanone)

using model chemistry: HF/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/6-311+G(3df,2p)
 hartrees
Energy at 0K-229.877242
Energy at 298.15K-229.884265
Nuclear repulsion energy169.011655
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 HF/6-311+G(3df,2p)
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' 3263 2965 47.27      
2 A' 3236 2941 3.81      
3 A' 3210 2917 23.06      
4 A' 3193 2901 17.27      
5 A' 2057 1869 422.27      
6 A' 1623 1474 0.39      
7 A' 1571 1428 0.81      
8 A' 1371 1246 0.45      
9 A' 1327 1206 0.59      
10 A' 1206 1096 0.30      
11 A' 1028 934 1.24      
12 A' 918 834 1.73      
13 A' 787 715 2.08      
14 A' 729 662 3.74      
15 A' 447 406 3.75      
16 A' 65 59 4.64      
17 A" 3245 2948 4.89      
18 A" 3190 2898 23.21      
19 A" 1559 1417 18.67      
20 A" 1400 1272 7.80      
21 A" 1336 1214 1.86      
22 A" 1305 1186 0.98      
23 A" 1197 1088 70.84      
24 A" 1028 934 0.23      
25 A" 982 892 0.00      
26 A" 688 625 0.03      
27 A" 503 457 8.88      

Unscaled Zero Point Vibrational Energy (zpe) 21230.8 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 19290.3 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 HF/6-311+G(3df,2p)
ABC
0.36508 0.16385 0.12126

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.331 1.818 0.000
C2 -0.078 0.672 0.000
C3 0.118 -0.364 1.101
C4 0.118 -0.364 -1.101
C5 0.118 -1.458 0.000
H6 -0.781 -2.057 0.000
H7 0.974 -2.117 0.000
H8 1.070 -0.240 1.604
H9 1.070 -0.240 -1.604
H10 -0.667 -0.401 1.844
H11 -0.667 -0.401 -1.844

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.17362.48532.48533.30703.90134.14542.96162.96162.90462.9046
C21.17361.52491.52492.13942.81842.98042.17302.17302.21332.2133
C32.48531.52492.20291.55262.21112.23981.08342.87061.08153.0486
C42.48531.52492.20291.55262.21112.23982.87061.08343.04861.0815
C53.30702.13941.55261.55261.08061.07962.22782.22782.26612.2661
H63.90132.81842.21112.21111.08061.75623.05003.05002.48132.4813
H74.14542.98042.23982.23981.07961.75622.47062.47063.00623.0062
H82.96162.17301.08342.87062.22783.05002.47063.20801.76113.8643
H92.96162.17302.87061.08342.22783.05002.47063.20803.86431.7611
H102.90462.21331.08153.04862.26612.48133.00621.76113.86433.6880
H112.90462.21333.04861.08152.26612.48133.00623.86431.76113.6880

picture of Cyclobutanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 133.728 O1 C2 C4 133.728
C2 C3 C5 88.077 C2 C3 H8 111.725
C2 C3 H10 115.191 C2 C4 C5 88.077
C2 C4 H9 111.725 C2 C4 H11 115.191
C3 C2 C4 92.492 C3 C5 C4 90.378
C3 C5 H6 112.994 C3 C5 H7 115.448
C4 C5 H6 112.994 C4 C5 H7 115.448
C5 C3 H8 114.200 C5 C3 H10 117.585
C5 C4 H9 114.200 C5 C4 H11 117.585
H6 C5 H7 108.772 H8 C3 H10 108.869
H9 C4 H11 108.869
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.861      
2 C 0.735      
3 C -0.200      
4 C -0.200      
5 C -0.317      
6 H 0.133      
7 H 0.135      
8 H 0.149      
9 H 0.149      
10 H 0.138      
11 H 0.138      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.716 -3.268 0.000 3.345
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.767 1.543 0.000
y 1.543 -37.333 0.000
z 0.000 0.000 -28.931
Traceless
 xyz
x 4.365 1.543 0.000
y 1.543 -8.485 0.000
z 0.000 0.000 4.119
Polar
3z2-r28.238
x2-y28.567
xy1.543
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.616 -0.343 0.000
y -0.343 7.612 0.000
z 0.000 0.000 6.997


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