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All results from a given calculation for CH2CHO (Vinyloxy radical)

using model chemistry: LSDA/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at LSDA/3-21G*
 hartrees
Energy at 0K-151.497637
Energy at 298.15K-151.500247
HF Energy-151.497637
Nuclear repulsion energy63.073463
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/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3213 3155 1.03      
2 A' 3093 3037 0.47      
3 A' 2856 2805 95.77      
4 A' 1488 1462 11.41      
5 A' 1447 1421 15.24      
6 A' 1372 1347 11.20      
7 A' 1174 1153 8.50      
8 A' 973 956 2.85      
9 A' 484 475 10.02      
10 A" 987 969 1.71      
11 A" 749 736 63.58      
12 A" 423 415 2.62      

Unscaled Zero Point Vibrational Energy (zpe) 9128.9 cm-1
Scaled (by 0.982) Zero Point Vibrational Energy (zpe) 8964.5 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/3-21G*
ABC
2.23718 0.37655 0.32231

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.422 0.000
H2 0.298 1.498 0.000
C3 1.074 -0.487 0.000
O4 -1.214 0.074 0.000
H5 2.111 -0.138 0.000
H6 0.862 -1.560 0.000

Atom - Atom Distances (Å)
  C1 H2 C3 O4 H5 H6
C11.11711.40651.26312.18362.1609
H21.11712.13082.07762.44143.1096
C31.40652.13082.35591.09391.0943
O41.26312.07762.35593.33182.6418
H52.18362.44141.09393.33181.8930
H62.16093.10961.09432.64181.8930

picture of Vinyloxy radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 121.185 C1 C3 H6 119.027
H2 C1 C3 114.723 H2 C1 O4 121.472
C3 C1 O4 123.805 H5 C3 H6 119.788
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.114      
2 H 0.175      
3 C -0.402      
4 O -0.362      
5 H 0.229      
6 H 0.247      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.618 -0.110 0.000 2.620
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.729 -0.175 0.000
y -0.175 -16.259 0.000
z 0.000 0.000 -18.294
Traceless
 xyz
x -1.452 -0.175 0.000
y -0.175 2.252 0.000
z 0.000 0.000 -0.800
Polar
3z2-r2-1.600
x2-y2-2.469
xy-0.175
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.578 -0.319 0.000
y -0.319 3.516 0.000
z 0.000 0.000 1.241


<r2> (average value of r2) Å2
<r2> 42.324
(<r2>)1/2 6.506