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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: mPW1PW91/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/aug-cc-pVTZ
 hartrees
Energy at 0K-207.901984
Energy at 298.15K 
HF Energy-207.901984
Nuclear repulsion energy105.237235
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 mPW1PW91/aug-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 A' 3273 3136 0.22 57.60 0.67 0.80
2 A' 3182 3049 4.26 172.45 0.12 0.22
3 A' 3166 3033 2.70 17.94 0.58 0.73
4 A' 1700 1629 6.82 29.76 0.05 0.09
5 A' 1627 1559 142.09 94.88 0.37 0.54
6 A' 1417 1358 25.72 21.39 0.38 0.55
7 A' 1289 1235 2.31 8.15 0.25 0.40
8 A' 1155 1107 78.83 27.12 0.40 0.57
9 A' 901 863 30.02 0.38 0.67 0.80
10 A' 620 594 1.43 9.52 0.11 0.19
11 A' 350 335 1.07 0.77 0.66 0.80
12 A" 1019 977 11.52 3.81 0.75 0.86
13 A" 1008 966 44.50 0.19 0.75 0.86
14 A" 688 659 1.05 0.65 0.75 0.86
15 A" 178 171 0.10 0.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10786.3 cm-1
Scaled (by 0.9581) Zero Point Vibrational Energy (zpe) 10334.3 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 mPW1PW91/aug-cc-pVTZ
ABC
1.79930 0.17155 0.15662

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.204 1.208 0.000
C2 0.000 0.648 0.000
N3 -0.050 -0.771 0.000
O4 -1.168 -1.221 0.000
H5 2.084 0.579 0.000
H6 1.335 2.280 0.000
H7 -0.946 1.179 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.32772.34283.39501.08211.08032.1501
C21.32771.41962.20392.08542.10871.0851
N32.34281.41961.20502.52563.35082.1460
O43.39502.20391.20503.71724.30392.4105
H51.08212.08542.52563.71721.85903.0893
H61.08032.10873.35084.30391.85902.5328
H72.15011.08512.14602.41053.08932.5328

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 116.984 C1 C2 H7 125.728
C2 C1 H5 119.506 C2 C1 H6 121.921
C2 N3 O4 113.972 N3 C2 H7 117.289
H5 C1 H6 118.573
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.624      
2 C -0.074      
3 N -0.059      
4 O -0.416      
5 H 0.389      
6 H 0.262      
7 H 0.521      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.427 2.942 0.000 3.270
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.641 0.001 0.000
y 0.001 -23.334 0.000
z 0.000 0.000 -23.750
Traceless
 xyz
x 0.901 0.001 0.000
y 0.001 -0.138 0.000
z 0.000 0.000 -0.763
Polar
3z2-r2-1.526
x2-y20.692
xy0.001
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.336 2.041 0.000
y 2.041 7.027 0.000
z 0.000 0.000 3.835


<r2> (average value of r2) Å2
<r2> 75.451
(<r2>)1/2 8.686