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All results from a given calculation for C3H4O (Cyclopropanone)

using model chemistry: HF/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-190.798900
Energy at 298.15K-190.803251
HF Energy-190.798900
Nuclear repulsion energy110.107119
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/daug-cc-pVTZ
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 3261 2950 0.47      
2 A1 2121 1918 445.77      
3 A1 1565 1416 0.76      
4 A1 1141 1032 12.40      
5 A1 1121 1014 1.29      
6 A1 778 704 9.73      
7 A2 3338 3019 0.00      
8 A2 1262 1142 0.00      
9 A2 701 634 0.00      
10 B1 3351 3032 5.79      
11 B1 1213 1098 0.19      
12 B1 752 680 0.35      
13 B1 373 337 8.22      
14 B2 3257 2946 5.30      
15 B2 1543 1395 5.63      
16 B2 1191 1078 15.47      
17 B2 1054 953 111.04      
18 B2 552 499 4.43      

Unscaled Zero Point Vibrational Energy (zpe) 14285.9 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 12923.0 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/daug-cc-pVTZ
ABC
0.68933 0.25542 0.20110

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/daug-cc-pVTZ

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 1.556
C3 0.000 0.780 -0.848
C4 0.000 -0.780 -0.848
H5 0.907 1.275 -1.143
H6 -0.907 1.275 -1.143
H7 -0.907 -1.275 -1.143
H8 0.907 -1.275 -1.143

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8
C11.17261.45801.45802.18612.18612.18612.1861
O21.17262.52802.52803.11993.11993.11993.1199
C31.45802.52801.55901.07451.07452.26532.2653
C41.45802.52801.55902.26532.26531.07451.0745
H52.18613.11991.07452.26531.81343.12972.5508
H62.18613.11991.07452.26531.81342.55083.1297
H72.18613.11992.26531.07453.12972.55081.8134
H82.18613.11992.26531.07452.55083.12971.8134

picture of Cyclopropanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 57.681 C1 C3 H5 118.565
C1 C3 H6 118.565 C1 C4 C3 57.681
C1 C4 H7 118.565 C1 C4 H8 118.565
O2 C1 C3 147.681 O2 C1 C4 147.681
C3 C1 C4 64.638 C3 C4 H7 117.484
C3 C4 H8 117.484 C4 C3 H5 117.484
C4 C3 H6 117.484 H5 C3 H6 115.090
H7 C4 H8 115.090
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.404      
2 O -1.228      
3 C -0.887      
4 C -0.887      
5 H 0.649      
6 H 0.649      
7 H 0.649      
8 H 0.649      


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 -3.269 3.269
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.549 0.000 0.000
y 0.000 -22.892 0.000
z 0.000 0.000 -28.834
Traceless
 xyz
x 4.313 0.000 0.000
y 0.000 2.300 0.000
z 0.000 0.000 -6.614
Polar
3z2-r2-13.227
x2-y21.342
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.264 0.000 0.000
y 0.000 5.449 0.000
z 0.000 0.000 6.101


<r2> (average value of r2) Å2
<r2> 66.465
(<r2>)1/2 8.153