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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: HF/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-204.012010
Energy at 298.15K 
HF Energy-204.012010
Nuclear repulsion energy103.031605
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 HF/STO-3G
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' 3814 3114 3.21 43.93 0.74 0.85
2 A' 3710 3029 2.53 50.18 0.25 0.40
3 A' 3650 2981 56.31 27.57 0.15 0.26
4 A' 2017 1647 1.73 25.93 0.14 0.24
5 A' 1956 1597 11.69 39.80 0.26 0.42
6 A' 1664 1359 2.27 26.68 0.50 0.67
7 A' 1486 1213 2.55 12.00 0.56 0.72
8 A' 1298 1059 31.88 13.57 0.74 0.85
9 A' 1024 836 13.90 0.68 0.34 0.51
10 A' 635 518 2.28 4.31 0.35 0.51
11 A' 361 295 0.31 0.24 0.74 0.85
12 A" 1203 983 9.91 0.77 0.75 0.86
13 A" 1174 959 13.43 1.09 0.75 0.86
14 A" 739 603 0.01 8.01 0.75 0.86
15 A" 145 118 0.39 1.05 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12437.8 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 10155.5 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 HF/STO-3G
ABC
1.71293 0.16380 0.14950

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.142 1.308 0.000
C2 0.000 0.663 0.000
N3 0.004 -0.835 0.000
O4 -1.147 -1.286 0.000
H5 2.086 0.776 0.000
H6 1.192 2.389 0.000
H7 -0.974 1.144 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.31132.42633.45961.08341.08292.1221
C21.31131.49792.26172.08862.09811.0863
N32.42631.49791.23622.63233.43652.2074
O43.45962.26171.23623.83444.35692.4364
H51.08342.08862.63233.83441.84463.0816
H61.08292.09813.43654.35691.84462.4985
H72.12211.08632.20742.43643.08162.4985

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 119.316 C1 C2 H7 124.253
C2 C1 H5 121.132 C2 C1 H6 122.112
C2 N3 O4 111.261 N3 C2 H7 116.432
H5 C1 H6 116.755
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.108      
2 C -0.019      
3 N -0.026      
4 O -0.093      
5 H 0.088      
6 H 0.081      
7 H 0.077      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.425 1.950 0.000 1.996
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.161 0.045 0.000
y 0.045 -21.861 0.000
z 0.000 0.000 -20.947
Traceless
 xyz
x 0.244 0.045 0.000
y 0.045 -0.807 0.000
z 0.000 0.000 0.564
Polar
3z2-r21.127
x2-y20.701
xy0.045
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.957 1.693 0.000
y 1.693 3.345 0.000
z 0.000 0.000 0.703


<r2> (average value of r2) Å2
<r2> 77.023
(<r2>)1/2 8.776