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All results from a given calculation for C3H4O (Cyclopropanone)

using model chemistry: B1B95/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/cc-pVDZ
 hartrees
Energy at 0K-191.817802
Energy at 298.15K-191.821889
HF Energy-191.817802
Nuclear repulsion energy108.815278
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 B1B95/cc-pVDZ
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 3133 3011 1.46      
2 A1 1985 1908 319.45      
3 A1 1398 1344 4.91      
4 A1 1086 1044 0.11      
5 A1 1007 968 25.57      
6 A1 753 724 5.79      
7 A2 3222 3097 0.00      
8 A2 1151 1106 0.00      
9 A2 591 568 0.00      
10 B1 3235 3109 0.68      
11 B1 1085 1042 0.27      
12 B1 693 666 2.13      
13 B1 320 308 3.96      
14 B2 3132 3010 1.31      
15 B2 1372 1319 7.15      
16 B2 1067 1025 42.64      
17 B2 950 913 91.77      
18 B2 509 489 1.99      

Unscaled Zero Point Vibrational Energy (zpe) 13343.3 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 12825.6 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 B1B95/cc-pVDZ
ABC
0.68258 0.24812 0.19641

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.384
O2 0.000 0.000 1.581
C3 0.000 0.780 -0.859
C4 0.000 -0.780 -0.859
H5 0.919 1.288 -1.161
H6 -0.919 1.288 -1.161
H7 -0.919 -1.288 -1.161
H8 0.919 -1.288 -1.161

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8
C11.19701.46781.46782.21152.21152.21152.2115
O21.19702.56212.56213.16583.16583.16583.1658
C31.46782.56211.56021.09251.09252.28312.2831
C41.46782.56211.56022.28312.28311.09251.0925
H52.21153.16581.09252.28311.83813.16452.5759
H62.21153.16581.09252.28311.83812.57593.1645
H72.21153.16582.28311.09253.16452.57591.8381
H82.21153.16582.28311.09252.57593.16451.8381

picture of Cyclopropanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 57.897 C1 C3 H5 118.745
C1 C3 H6 118.745 C1 C4 C3 57.897
C1 C4 H7 118.745 C1 C4 H8 118.745
O2 C1 C3 147.897 O2 C1 C4 147.897
C3 C1 C4 64.206 C3 C4 H7 117.700
C3 C4 H8 117.700 C4 C3 H5 117.700
C4 C3 H6 117.700 H5 C3 H6 114.543
H7 C4 H8 114.543
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.074      
2 O -0.164      
3 C -0.091      
4 C -0.091      
5 H 0.068      
6 H 0.068      
7 H 0.068      
8 H 0.068      


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 -2.606 2.606
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.182 0.000 0.000
y 0.000 -22.696 0.000
z 0.000 0.000 -27.382
Traceless
 xyz
x 3.857 0.000 0.000
y 0.000 1.586 0.000
z 0.000 0.000 -5.443
Polar
3z2-r2-10.886
x2-y21.514
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.826 0.000 0.000
y 0.000 4.951 0.000
z 0.000 0.000 5.482


<r2> (average value of r2) Å2
<r2> 67.289
(<r2>)1/2 8.203