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All results from a given calculation for C3H4O (Cyclopropanone)

using model chemistry: HF/TZVP

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/TZVP
 hartrees
Energy at 0K-190.790291
Energy at 298.15K-190.794667
HF Energy-190.790291
Nuclear repulsion energy110.077168
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/TZVP
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 3266 2967 0.52      
2 A1 2128 1933 442.13      
3 A1 1568 1425 1.31      
4 A1 1145 1041 16.59      
5 A1 1122 1020 0.69      
6 A1 778 707 11.46      
7 A2 3345 3039 0.00      
8 A2 1264 1148 0.00      
9 A2 717 652 0.00      
10 B1 3358 3051 6.16      
11 B1 1220 1108 0.48      
12 B1 762 693 0.35      
13 B1 372 338 9.68      
14 B2 3262 2964 4.89      
15 B2 1544 1403 6.24      
16 B2 1196 1087 13.66      
17 B2 1061 964 129.04      
18 B2 553 502 4.71      

Unscaled Zero Point Vibrational Energy (zpe) 14330.4 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 13020.6 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 HF/TZVP
ABC
0.68893 0.25533 0.20106

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

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 1.557
C3 0.000 0.780 -0.848
C4 0.000 -0.780 -0.848
H5 0.908 1.276 -1.143
H6 -0.908 1.276 -1.143
H7 -0.908 -1.276 -1.143
H8 0.908 -1.276 -1.143

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8
C11.17311.45791.45792.18702.18702.18702.1870
O21.17312.52822.52823.12113.12113.12113.1211
C31.45792.52821.55911.07591.07592.26612.2661
C41.45792.52821.55912.26612.26611.07591.0759
H52.18703.12111.07592.26611.81603.13162.5513
H62.18703.12111.07592.26611.81602.55133.1316
H72.18703.12112.26611.07593.13162.55131.8160
H82.18703.12112.26611.07592.55133.13161.8160

picture of Cyclopropanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 57.674 C1 C3 H5 118.565
C1 C3 H6 118.565 C1 C4 C3 57.674
C1 C4 H7 118.565 C1 C4 H8 118.565
O2 C1 C3 147.674 O2 C1 C4 147.674
C3 C1 C4 64.651 C3 C4 H7 117.458
C3 C4 H8 117.458 C4 C3 H5 117.458
C4 C3 H6 117.458 H5 C3 H6 115.122
H7 C4 H8 115.122
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.360      
2 O -0.353      
3 C -0.269      
4 C -0.269      
5 H 0.133      
6 H 0.133      
7 H 0.133      
8 H 0.133      


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 -3.270 3.270
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.471 0.000 0.000
y 0.000 -22.881 0.000
z 0.000 0.000 -29.018
Traceless
 xyz
x 4.478 0.000 0.000
y 0.000 2.364 0.000
z 0.000 0.000 -6.842
Polar
3z2-r2-13.684
x2-y21.409
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.889 0.000 0.000
y 0.000 5.025 0.000
z 0.000 0.000 5.691


<r2> (average value of r2) Å2
<r2> 66.507
(<r2>)1/2 8.155