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All results from a given calculation for C3H4O (Cyclopropanone)

using model chemistry: B3LYP/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 B3LYP/6-311G**
 hartrees
Energy at 0K-191.935786
Energy at 298.15K-191.939895
HF Energy-191.935786
Nuclear repulsion energy108.768575
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 B3LYP/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 A1 3107 3004 0.42      
2 A1 1941 1877 325.70      
3 A1 1434 1387 5.19      
4 A1 1054 1019 3.59      
5 A1 1014 980 29.16      
6 A1 722 698 4.30      
7 A2 3185 3079 0.00      
8 A2 1162 1124 0.00      
9 A2 638 617 0.00      
10 B1 3198 3091 4.33      
11 B1 1105 1068 0.22      
12 B1 707 684 1.25      
13 B1 317 307 4.08      
14 B2 3107 3003 3.61      
15 B2 1416 1369 6.97      
16 B2 1063 1027 14.09      
17 B2 950 918 123.36      
18 B2 509 492 1.19      

Unscaled Zero Point Vibrational Energy (zpe) 13314.1 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 12872.0 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 B3LYP/6-311G**
ABC
0.67675 0.24864 0.19605

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.385
O2 0.000 0.000 1.580
C3 0.000 0.786 -0.859
C4 0.000 -0.786 -0.859
H5 0.913 1.289 -1.161
H6 -0.913 1.289 -1.161
H7 -0.913 -1.289 -1.161
H8 0.913 -1.289 -1.161

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8
C11.19501.47111.47112.21042.21042.21042.2104
O21.19502.56192.56193.16363.16363.16363.1636
C31.47112.56191.57301.08551.08552.28802.2880
C41.47112.56191.57302.28802.28801.08551.0855
H52.21043.16361.08552.28801.82643.16012.5788
H62.21043.16361.08552.28801.82642.57883.1601
H72.21043.16362.28801.08553.16012.57881.8264
H82.21043.16362.28801.08552.57883.16011.8264

picture of Cyclopropanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 57.682 C1 C3 H5 118.893
C1 C3 H6 118.893 C1 C4 C3 57.682
C1 C4 H7 118.893 C1 C4 H8 118.893
O2 C1 C3 147.682 O2 C1 C4 147.682
C3 C1 C4 64.635 C3 C4 H7 117.601
C3 C4 H8 117.601 C4 C3 H5 117.601
C4 C3 H6 117.601 H5 C3 H6 114.545
H7 C4 H8 114.545
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.211      
2 O -0.253      
3 C -0.275      
4 C -0.275      
5 H 0.148      
6 H 0.148      
7 H 0.148      
8 H 0.148      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -2.764 2.764
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.466 0.000 0.000
y 0.000 -22.990 0.000
z 0.000 0.000 -28.043
Traceless
 xyz
x 4.050 0.000 0.000
y 0.000 1.765 0.000
z 0.000 0.000 -5.815
Polar
3z2-r2-11.631
x2-y21.523
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.905 0.000 0.000
y 0.000 5.118 0.000
z 0.000 0.000 5.717


<r2> (average value of r2) Å2
<r2> 67.591
(<r2>)1/2 8.221