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All results from a given calculation for C3H4O (Cyclopropanone)

using model chemistry: HF/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 HF/6-311G**
 hartrees
Energy at 0K-190.774402
Energy at 298.15K-190.778784
HF Energy-190.774402
Nuclear repulsion energy109.933371
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/6-311G**
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 3262 2963 0.30      
2 A1 2139 1943 428.21      
3 A1 1566 1422 1.50      
4 A1 1141 1037 17.25      
5 A1 1128 1025 2.07      
6 A1 782 710 11.80      
7 A2 3340 3035 0.00      
8 A2 1263 1148 0.00      
9 A2 705 641 0.00      
10 B1 3354 3047 8.51      
11 B1 1215 1104 0.32      
12 B1 760 690 0.42      
13 B1 383 348 8.21      
14 B2 3257 2959 5.51      
15 B2 1539 1399 6.95      
16 B2 1192 1083 19.44      
17 B2 1055 959 134.55      
18 B2 556 505 4.78      

Unscaled Zero Point Vibrational Energy (zpe) 14317.4 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 13007.4 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/6-311G**
ABC
0.68736 0.25453 0.20044

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.386
O2 0.000 0.000 1.559
C3 0.000 0.781 -0.850
C4 0.000 -0.781 -0.850
H5 0.908 1.277 -1.146
H6 -0.908 1.277 -1.146
H7 -0.908 -1.277 -1.146
H8 0.908 -1.277 -1.146

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8
C11.17271.46171.46172.19162.19162.19162.1916
O21.17272.53182.53183.12593.12593.12593.1259
C31.46172.53181.56111.07681.07682.26882.2688
C41.46172.53181.56112.26882.26881.07681.0768
H52.19163.12591.07682.26881.81683.13472.5545
H62.19163.12591.07682.26881.81682.55453.1347
H72.19163.12592.26881.07683.13472.55451.8168
H82.19163.12592.26881.07682.55453.13471.8168

picture of Cyclopropanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 57.725 C1 C3 H5 118.603
C1 C3 H6 118.603 C1 C4 C3 57.725
C1 C4 H7 118.603 C1 C4 H8 118.603
O2 C1 C3 147.725 O2 C1 C4 147.725
C3 C1 C4 64.551 C3 C4 H7 117.470
C3 C4 H8 117.470 C4 C3 H5 117.470
C4 C3 H6 117.470 H5 C3 H6 115.043
H7 C4 H8 115.043
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.336      
2 O -0.359      
3 C -0.276      
4 C -0.276      
5 H 0.144      
6 H 0.144      
7 H 0.144      
8 H 0.144      


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 -3.094 3.094
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.414 0.000 0.000
y 0.000 -22.869 0.000
z 0.000 0.000 -28.694
Traceless
 xyz
x 4.367 0.000 0.000
y 0.000 2.185 0.000
z 0.000 0.000 -6.552
Polar
3z2-r2-13.105
x2-y21.455
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.699 0.000 0.000
y 0.000 4.791 0.000
z 0.000 0.000 5.317


<r2> (average value of r2) Å2
<r2> 66.579
(<r2>)1/2 8.160