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All results from a given calculation for C3H4O (Cyclopropanone)

using model chemistry: LSDA/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 LSDA/cc-pVTZ
 hartrees
Energy at 0K-190.923558
Energy at 298.15K-190.927563
HF Energy-190.923558
Nuclear repulsion energy109.345448
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 LSDA/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 3047 3014 3.69      
2 A1 1939 1918 331.55      
3 A1 1353 1338 10.29      
4 A1 1070 1058 0.98      
5 A1 962 951 38.42      
6 A1 742 734 4.11      
7 A2 3127 3093 0.00      
8 A2 1119 1107 0.00      
9 A2 577 571 0.00      
10 B1 3140 3106 0.52      
11 B1 1055 1043 0.34      
12 B1 676 669 2.31      
13 B1 296 293 3.06      
14 B2 3047 3014 0.00      
15 B2 1332 1318 13.22      
16 B2 1026 1014 35.42      
17 B2 934 924 94.86      
18 B2 501 496 0.64      

Unscaled Zero Point Vibrational Energy (zpe) 12972.0 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 12830.6 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 LSDA/cc-pVTZ
ABC
0.68786 0.25115 0.19872

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.378
O2 0.000 0.000 1.573
C3 0.000 0.776 -0.853
C4 0.000 -0.776 -0.853
H5 0.918 1.286 -1.155
H6 -0.918 1.286 -1.155
H7 -0.918 -1.286 -1.155
H8 0.918 -1.286 -1.155

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8
C11.19451.45491.45492.20122.20122.20122.2012
O21.19452.54642.54643.15183.15183.15183.1518
C31.45492.54641.55161.09281.09282.27682.2768
C41.45492.54641.55162.27682.27681.09281.0928
H52.20123.15181.09282.27681.83643.15982.5714
H62.20123.15181.09282.27681.83642.57143.1598
H72.20123.15182.27681.09283.15982.57141.8364
H82.20123.15182.27681.09282.57143.15981.8364

picture of Cyclopropanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 57.775 C1 C3 H5 118.852
C1 C3 H6 118.852 C1 C4 C3 57.775
C1 C4 H7 118.852 C1 C4 H8 118.852
O2 C1 C3 147.775 O2 C1 C4 147.775
C3 C1 C4 64.451 C3 C4 H7 117.813
C3 C4 H8 117.813 C4 C3 H5 117.813
C4 C3 H6 117.813 H5 C3 H6 114.325
H7 C4 H8 114.325
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.197      
2 O -0.179      
3 C -0.281      
4 C -0.281      
5 H 0.136      
6 H 0.136      
7 H 0.136      
8 H 0.136      


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 -2.857 2.857
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.492 0.000 0.000
y 0.000 -22.984 0.000
z 0.000 0.000 -27.972
Traceless
 xyz
x 3.986 0.000 0.000
y 0.000 1.748 0.000
z 0.000 0.000 -5.734
Polar
3z2-r2-11.469
x2-y21.492
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.322 0.000 0.000
y 0.000 5.616 0.000
z 0.000 0.000 6.271


<r2> (average value of r2) Å2
<r2> 66.990
(<r2>)1/2 8.185