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All results from a given calculation for C3H4O (Cyclopropanone)

using model chemistry: LSDA/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at LSDA/6-31G*
 hartrees
Energy at 0K-190.844827
Energy at 298.15K-190.848836
Nuclear repulsion energy108.734065
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 LSDA/6-31G*
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 3069 3012 3.07      
2 A1 1963 1926 282.28      
3 A1 1389 1363 9.48      
4 A1 1081 1061 0.14      
5 A1 987 968 43.75      
6 A1 747 733 4.75      
7 A2 3147 3088 0.00      
8 A2 1133 1112 0.00      
9 A2 591 580 0.00      
10 B1 3159 3100 0.00      
11 B1 1069 1049 1.04      
12 B1 688 675 3.58      
13 B1 302 296 3.70      
14 B2 3070 3013 0.16      
15 B2 1368 1342 10.63      
16 B2 1043 1023 37.30      
17 B2 947 929 99.65      
18 B2 499 490 0.76      

Unscaled Zero Point Vibrational Energy (zpe) 13125.5 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 12880.1 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 LSDA/6-31G*
ABC
0.68454 0.24748 0.19618

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.382
O2 0.000 0.000 1.585
C3 0.000 0.777 -0.859
C4 0.000 -0.777 -0.859
H5 0.919 1.293 -1.164
H6 -0.919 1.293 -1.164
H7 -0.919 -1.293 -1.164
H8 0.919 -1.293 -1.164

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8
C11.20301.46381.46382.21502.21502.21502.2150
O21.20302.56422.56423.17383.17383.17383.1738
C31.46382.56421.55351.09741.09742.28512.2851
C41.46382.56421.55352.28512.28511.09741.0974
H52.21503.17381.09742.28511.83833.17282.5859
H62.21503.17381.09742.28511.83832.58593.1728
H72.21503.17382.28511.09743.17282.58591.8383
H82.21503.17382.28511.09742.58593.17281.8383

picture of Cyclopropanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 57.951 C1 C3 H5 119.027
C1 C3 H6 119.027 C1 C4 C3 57.951
C1 C4 H7 119.027 C1 C4 H8 119.027
O2 C1 C3 147.951 O2 C1 C4 147.951
C3 C1 C4 64.098 C3 C4 H7 118.058
C3 C4 H8 118.058 C4 C3 H5 118.058
C4 C3 H6 118.058 H5 C3 H6 113.764
H7 C4 H8 113.764
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.363      
2 O -0.345      
3 C -0.437      
4 C -0.437      
5 H 0.214      
6 H 0.214      
7 H 0.214      
8 H 0.214      


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 -2.762 2.762
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.991 0.000 0.000
y 0.000 -22.399 0.000
z 0.000 0.000 -27.314
Traceless
 xyz
x 3.866 0.000 0.000
y 0.000 1.754 0.000
z 0.000 0.000 -5.620
Polar
3z2-r2-11.239
x2-y21.408
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.774 0.000 0.000
y 0.000 4.860 0.000
z 0.000 0.000 5.442


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