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All results from a given calculation for CH3CH2O (Ethoxy radical)

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-154.252914
Energy at 298.15K-154.258123
HF Energy-154.252914
Nuclear repulsion energy73.633760
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 B1B95/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3169 3023 21.36      
2 A' 3082 2939 13.13      
3 A' 2985 2847 25.62      
4 A' 1544 1473 9.68      
5 A' 1461 1393 12.33      
6 A' 1460 1392 24.52      
7 A' 1384 1320 3.93      
8 A' 1136 1084 9.29      
9 A' 1079 1029 12.59      
10 A' 900 858 0.22      
11 A' 423 404 8.02      
12 A" 3180 3033 19.91      
13 A" 3013 2874 5.51      
14 A" 1536 1465 7.34      
15 A" 1280 1221 0.31      
16 A" 922 879 0.26      
17 A" 416 397 28.95      
18 A" 208 199 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 14588.9 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 13913.4 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 B1B95/6-31G
ABC
1.29145 0.31636 0.28036

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.065 -0.556 0.000
C2 0.000 0.523 0.000
O3 -1.322 0.039 0.000
H4 2.066 -0.117 0.000
H5 0.967 -1.190 0.884
H6 0.967 -1.190 -0.884
H7 0.094 1.193 0.872
H8 0.094 1.193 -0.872

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.51632.45961.09301.09171.09172.18202.1820
C21.51631.40792.16252.15662.15661.10281.1028
O32.45961.40793.39102.74412.74412.02352.0235
H41.09302.16253.39101.77131.77132.52262.5226
H51.09172.15662.74411.77131.76762.53753.0854
H61.09172.15662.74411.77131.76763.08542.5375
H72.18201.10282.02352.52262.53753.08541.7431
H82.18201.10282.02352.52263.08542.53751.7431

picture of Ethoxy radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 114.466 C1 C2 H7 111.871
C1 C2 H8 111.871 C2 C1 H4 110.911
C2 C1 H5 110.516 C2 C1 H6 110.516
O3 C2 H7 106.772 O3 C2 H8 106.772
H4 C1 H5 108.350 H4 C1 H6 108.350
H5 C1 H6 108.108 H7 C2 H8 104.421
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.464      
2 C -0.118      
3 O -0.315      
4 H 0.153      
5 H 0.175      
6 H 0.175      
7 H 0.197      
8 H 0.197      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.167 0.813 0.000 2.314
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.443 -0.030 0.000
y -0.030 -18.281 0.000
z 0.000 0.000 -17.803
Traceless
 xyz
x -4.401 -0.030 0.000
y -0.030 1.842 0.000
z 0.000 0.000 2.559
Polar
3z2-r25.118
x2-y2-4.162
xy-0.030
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.038 0.134 0.000
y 0.134 3.469 0.000
z 0.000 0.000 3.555


<r2> (average value of r2) Å2
<r2> 51.402
(<r2>)1/2 7.169