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All results from a given calculation for C3H4O (Cyclopropanone)

using model chemistry: HF/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-190.803772
Energy at 298.15K-190.808136
HF Energy-190.803772
Nuclear repulsion energy110.140828
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/Def2TZVPP
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 3264 2958 0.43      
2 A1 2124 1925 440.29      
3 A1 1566 1420 0.90      
4 A1 1142 1035 13.73      
5 A1 1121 1016 1.20      
6 A1 778 706 9.59      
7 A2 3341 3028 0.00      
8 A2 1263 1145 0.00      
9 A2 704 638 0.00      
10 B1 3355 3041 5.86      
11 B1 1214 1101 0.23      
12 B1 755 684 0.34      
13 B1 376 341 8.17      
14 B2 3260 2955 5.37      
15 B2 1544 1399 5.74      
16 B2 1194 1082 15.83      
17 B2 1055 956 118.96      
18 B2 553 501 4.31      

Unscaled Zero Point Vibrational Energy (zpe) 14304.2 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 12965.3 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/Def2TZVPP
ABC
0.68949 0.25562 0.20124

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.410
O2 0.000 0.000 1.672
C3 0.000 0.801 -0.839
C4 0.000 -0.801 -0.839
H5 0.806 0.724 -1.443
H6 -0.806 0.724 -1.443
H7 -0.806 -0.724 -1.443
H8 0.806 -0.724 -1.443

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8
C11.26201.48321.48322.14632.14632.14632.1463
O21.26202.63522.63523.29773.29773.29773.2977
C31.48322.63521.60161.01031.01031.82791.8279
C41.48322.63521.60161.82791.82791.01031.0103
H52.14633.29771.01031.82791.61262.16791.4488
H62.14633.29771.01031.82791.61261.44882.1679
H72.14633.29771.82791.01032.16791.44881.6126
H82.14633.29771.82791.01031.44882.16791.6126

picture of Cyclopropanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 57.323 C1 C3 H5 117.539
C1 C3 H6 117.539 C1 C4 C3 57.323
C1 C4 H7 117.539 C1 C4 H8 117.539
O2 C1 C3 147.323 O2 C1 C4 147.323
C3 C1 C4 65.354 C3 C4 H7 85.664
C3 C4 H8 85.664 C4 C3 H5 85.664
C4 C3 H6 85.664 H5 C3 H6 105.895
H7 C4 H8 105.895
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.307      
2 O -0.371      
3 C -0.089      
4 C -0.089      
5 H 0.060      
6 H 0.060      
7 H 0.060      
8 H 0.060      


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 -3.220 3.220
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.511 0.000 0.000
y 0.000 -22.895 0.000
z 0.000 0.000 -28.744
Traceless
 xyz
x 4.309 0.000 0.000
y 0.000 2.233 0.000
z 0.000 0.000 -6.541
Polar
3z2-r2-13.082
x2-y21.384
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.044 0.000 0.000
y 0.000 5.205 0.000
z 0.000 0.000 5.821


<r2> (average value of r2) Å2
<r2> 66.410
(<r2>)1/2 8.149