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All results from a given calculation for C3H4O (Cyclopropanone)

using model chemistry: B2PLYP/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 B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-191.796445
Energy at 298.15K-191.800558
HF Energy-191.560930
Nuclear repulsion energy108.912259
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 B2PLYP/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 3141 3013 0.71      
2 A1 1918 1840 296.99      
3 A1 1446 1387 3.43      
4 A1 1055 1012 6.12      
5 A1 1017 976 21.43      
6 A1 724 695 2.84      
7 A2 3223 3092 0.00      
8 A2 1172 1125 0.00      
9 A2 640 614 0.00      
10 B1 3236 3104 1.67      
11 B1 1111 1066 0.04      
12 B1 706 677 0.79      
13 B1 309 296 3.81      
14 B2 3140 3012 2.13      
15 B2 1429 1371 5.66      
16 B2 1073 1029 15.67      
17 B2 960 921 109.18      
18 B2 510 490 1.19      

Unscaled Zero Point Vibrational Energy (zpe) 13404.8 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 12860.6 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 B2PLYP/cc-pVTZ
ABC
0.67948 0.24914 0.19655

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.408
O2 0.000 0.000 1.681
C3 0.000 0.803 -0.842
C4 0.000 -0.803 -0.842
H5 0.808 0.726 -1.448
H6 -0.808 0.726 -1.448
H7 -0.808 -0.726 -1.448
H8 0.808 -0.726 -1.448

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8
C11.27261.48601.48602.15052.15052.15052.1505
O21.27262.64782.64783.31193.31193.31193.3119
C31.48602.64781.60521.01251.01251.83171.8317
C41.48602.64781.60521.83171.83171.01251.0125
H52.15053.31191.01251.83171.61552.17181.4515
H62.15053.31191.01251.83171.61551.45152.1718
H72.15053.31191.83171.01252.17181.45151.6155
H82.15053.31191.83171.01251.45152.17181.6155

picture of Cyclopropanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 57.308 C1 C3 H5 117.543
C1 C3 H6 117.543 C1 C4 C3 57.308
C1 C4 H7 117.543 C1 C4 H8 117.543
O2 C1 C3 147.308 O2 C1 C4 147.308
C3 C1 C4 65.384 C3 C4 H7 85.648
C3 C4 H8 85.648 C4 C3 H5 85.648
C4 C3 H6 85.648 H5 C3 H6 105.836
H7 C4 H8 105.836
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.234      
2 O -0.214      
3 C -0.277      
4 C -0.277      
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 -2.816 2.816
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.635 0.000 0.000
y 0.000 -23.178 0.000
z 0.000 0.000 -28.136
Traceless
 xyz
x 4.022 0.000 0.000
y 0.000 1.708 0.000
z 0.000 0.000 -5.730
Polar
3z2-r2-11.460
x2-y21.543
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.169 0.000 0.000
y 0.000 5.419 0.000
z 0.000 0.000 6.103


<r2> (average value of r2) Å2
<r2> 67.519
(<r2>)1/2 8.217