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All results from a given calculation for C3H4O (Cyclopropanone)

using model chemistry: B3LYP/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 B3LYP/6-31G
 hartrees
Energy at 0K-191.820499
Energy at 298.15K-191.824678
HF Energy-191.820499
Nuclear repulsion energy107.717009
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 B3LYP/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 3147 3027 0.73      
2 A1 1882 1810 238.41      
3 A1 1476 1419 6.42      
4 A1 1078 1037 38.81      
5 A1 1048 1008 2.07      
6 A1 709 682 5.18      
7 A2 3225 3102 0.00      
8 A2 1182 1137 0.00      
9 A2 725 698 0.00      
10 B1 3238 3115 5.15      
11 B1 1125 1082 0.46      
12 B1 734 706 2.33      
13 B1 328 315 4.49      
14 B2 3144 3025 1.57      
15 B2 1466 1411 8.41      
16 B2 1119 1076 1.77      
17 B2 1015 977 150.00      
18 B2 497 478 1.80      

Unscaled Zero Point Vibrational Energy (zpe) 13568.7 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 13053.0 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 B3LYP/6-31G
ABC
0.66972 0.24286 0.19180

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.379
O2 0.000 0.000 1.603
C3 0.000 0.791 -0.868
C4 0.000 -0.791 -0.868
H5 0.911 1.300 -1.172
H6 -0.911 1.300 -1.172
H7 -0.911 -1.300 -1.172
H8 0.911 -1.300 -1.172

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8
C11.22421.47651.47652.21962.21962.21962.2196
O21.22422.59452.59453.19753.19753.19753.1975
C31.47652.59451.58181.08721.08722.30102.3010
C41.47652.59451.58182.30102.30101.08721.0872
H52.21963.19751.08722.30101.82223.17492.5999
H62.21963.19751.08722.30101.82222.59993.1749
H72.21963.19752.30101.08723.17492.59991.8222
H82.21963.19752.30101.08722.59993.17491.8222

picture of Cyclopropanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 57.612 C1 C3 H5 119.166
C1 C3 H6 119.166 C1 C4 C3 57.612
C1 C4 H7 119.166 C1 C4 H8 119.166
O2 C1 C3 147.612 O2 C1 C4 147.612
C3 C1 C4 64.777 C3 C4 H7 117.918
C3 C4 H8 117.918 C4 C3 H5 117.918
C4 C3 H6 117.918 H5 C3 H6 113.867
H7 C4 H8 113.867
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.280      
2 O -0.358      
3 C -0.325      
4 C -0.325      
5 H 0.182      
6 H 0.182      
7 H 0.182      
8 H 0.182      


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 -3.053 3.053
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.358 0.000 0.000
y 0.000 -22.630 0.000
z 0.000 0.000 -28.537
Traceless
 xyz
x 4.225 0.000 0.000
y 0.000 2.317 0.000
z 0.000 0.000 -6.542
Polar
3z2-r2-13.085
x2-y21.272
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.553 0.000 0.000
y 0.000 4.612 0.000
z 0.000 0.000 5.394


<r2> (average value of r2) Å2
<r2> 68.644
(<r2>)1/2 8.285