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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: B3LYP/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 B3LYP/STO-3G
 hartrees
Energy at 0K-205.159870
Energy at 298.15K 
HF Energy-205.159870
Nuclear repulsion energy100.128951
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 B3LYP/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' 3539 3158 1.72 42.92 0.73 0.84
2 A' 3417 3049 0.07 65.04 0.18 0.31
3 A' 3379 3016 27.47 25.51 0.22 0.37
4 A' 1780 1589 4.48 15.60 0.13 0.23
5 A' 1562 1394 9.50 11.18 0.16 0.28
6 A' 1514 1351 7.87 33.09 0.40 0.57
7 A' 1340 1196 0.44 7.78 0.70 0.82
8 A' 1130 1008 28.73 13.75 0.70 0.83
9 A' 871 777 40.65 0.72 0.70 0.82
10 A' 548 489 0.10 5.02 0.33 0.49
11 A' 310 277 0.06 0.34 0.71 0.83
12 A" 1068 953 14.69 0.12 0.75 0.86
13 A" 1009 901 14.52 0.20 0.75 0.86
14 A" 604 539 0.53 4.82 0.75 0.86
15 A" 140 125 0.60 1.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11104.7 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 9909.8 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 B3LYP/STO-3G
ABC
1.58755 0.15593 0.14198

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.171 1.338 0.000
C2 0.000 0.683 0.000
N3 0.020 -0.860 0.000
O4 -1.191 -1.313 0.000
H5 2.121 0.787 0.000
H6 1.230 2.435 0.000
H7 -0.988 1.176 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.34122.48093.54971.09891.09862.1645
C21.34121.54342.32392.12382.14061.1042
N32.48091.54341.29272.66973.51022.2722
O43.54972.32391.29273.92144.46142.4969
H51.09892.12382.66973.92141.87353.1335
H61.09862.14063.51024.46141.87352.5504
H72.16451.10422.27222.49693.13352.5504

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 118.476 C1 C2 H7 124.251
C2 C1 H5 120.679 C2 C1 H6 122.339
C2 N3 O4 109.734 N3 C2 H7 117.273
H5 C1 H6 116.982
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.138      
2 C -0.037      
3 N -0.037      
4 O -0.069      
5 H 0.100      
6 H 0.093      
7 H 0.089      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.320 1.839 0.000 1.867
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.609 0.240 0.000
y 0.240 -21.282 0.000
z 0.000 0.000 -21.040
Traceless
 xyz
x 0.552 0.240 0.000
y 0.240 -0.458 0.000
z 0.000 0.000 -0.095
Polar
3z2-r2-0.189
x2-y20.674
xy0.240
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.853 1.721 0.000
y 1.721 3.821 0.000
z 0.000 0.000 0.768


<r2> (average value of r2) Å2
<r2> 80.089
(<r2>)1/2 8.949