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All results from a given calculation for C3H4O (Cyclopropanone)

using model chemistry: BLYP/aug-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 BLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-191.841401
Energy at 298.15K-191.845315
HF Energy-191.841401
Nuclear repulsion energy107.374736
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 BLYP/aug-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 3034 3029 0.35      
2 A1 1824 1821 332.94      
3 A1 1377 1375 3.89      
4 A1 1007 1005 3.64      
5 A1 953 951 21.40      
6 A1 676 675 1.55      
7 A2 3116 3110 0.00      
8 A2 1111 1109 0.00      
9 A2 612 611 0.00      
10 B1 3128 3122 4.00      
11 B1 1051 1049 0.00      
12 B1 672 671 0.97      
13 B1 265 265 3.82      
14 B2 3034 3028 4.59      
15 B2 1364 1362 5.57      
16 B2 1001 999 17.74      
17 B2 894 892 87.16      
18 B2 477 476 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 12798.5 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 12774.2 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 BLYP/aug-cc-pVDZ
ABC
0.65830 0.24269 0.19117

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

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 1.601
C3 0.000 0.798 -0.868
C4 0.000 -0.798 -0.868
H5 0.924 1.307 -1.175
H6 -0.924 1.307 -1.175
H7 -0.924 -1.307 -1.175
H8 0.924 -1.307 -1.175

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8
C11.21541.48561.48562.23502.23502.23502.2350
O21.21542.59432.59433.20393.20393.20393.2039
C31.48562.59431.59591.09871.09872.31902.3190
C41.48562.59431.59592.31902.31901.09871.0987
H52.23503.20391.09872.31901.84853.20112.6135
H62.23503.20391.09872.31901.84852.61353.2011
H72.23503.20392.31901.09873.20112.61351.8485
H82.23503.20392.31901.09872.61353.20111.8485

picture of Cyclopropanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 57.514 C1 C3 H5 118.965
C1 C3 H6 118.965 C1 C4 C3 57.514
C1 C4 H7 118.965 C1 C4 H8 118.965
O2 C1 C3 147.514 O2 C1 C4 147.514
C3 C1 C4 64.972 C3 C4 H7 117.586
C3 C4 H8 117.586 C4 C3 H5 117.586
C4 C3 H6 117.586 H5 C3 H6 114.528
H7 C4 H8 114.528
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.426      
2 O -0.375      
3 C 1.208      
4 C 1.208      
5 H -0.617      
6 H -0.617      
7 H -0.617      
8 H -0.617      


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 -2.978 2.978
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.028 0.000 0.000
y 0.000 -23.578 0.000
z 0.000 0.000 -28.900
Traceless
 xyz
x 4.211 0.000 0.000
y 0.000 1.886 0.000
z 0.000 0.000 -6.097
Polar
3z2-r2-12.194
x2-y21.550
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.786 0.000 0.000
y 0.000 6.424 0.000
z 0.000 0.000 7.275


<r2> (average value of r2) Å2
<r2> 69.346
(<r2>)1/2 8.327