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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: B1B95/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 B1B95/STO-3G
 hartrees
Energy at 0K-205.108508
Energy at 298.15K 
HF Energy-205.108508
Nuclear repulsion energy100.889229
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/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' 3581 3162 3.02 40.95 0.73 0.84
2 A' 3460 3055 0.06 61.03 0.19 0.32
3 A' 3418 3018 34.22 25.59 0.20 0.33
4 A' 1817 1604 4.64 16.36 0.13 0.23
5 A' 1626 1435 11.56 15.89 0.19 0.32
6 A' 1520 1342 6.97 27.83 0.44 0.61
7 A' 1346 1189 0.24 7.78 0.70 0.82
8 A' 1147 1012 30.70 13.63 0.71 0.83
9 A' 892 787 36.11 0.47 0.63 0.77
10 A' 561 495 0.01 4.59 0.33 0.50
11 A' 311 274 0.05 0.31 0.72 0.84
12 A" 1081 955 14.26 0.14 0.75 0.86
13 A" 1027 907 15.98 0.18 0.75 0.86
14 A" 621 549 0.45 5.06 0.75 0.86
15 A" 140 124 0.60 0.98 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11273.1 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 9954.2 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/STO-3G
ABC
1.61315 0.15837 0.14421

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.167 1.323 0.000
C2 0.000 0.677 0.000
N3 0.015 -0.851 0.000
O4 -1.184 -1.300 0.000
H5 2.112 0.768 0.000
H6 1.232 2.416 0.000
H7 -0.982 1.173 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.33432.46043.52281.09571.09532.1550
C21.33431.52782.30432.11432.13151.1006
N32.46041.52781.28072.64953.48642.2564
O43.52282.30431.28073.89164.43262.4813
H51.09572.11432.64953.89161.86873.1211
H61.09532.13153.48644.43261.86872.5392
H72.15501.10062.25642.48133.12112.5392

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 118.394 C1 C2 H7 124.234
C2 C1 H5 120.620 C2 C1 H6 122.326
C2 N3 O4 109.959 N3 C2 H7 117.372
H5 C1 H6 117.055
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.144      
2 C -0.041      
3 N -0.037      
4 O -0.072      
5 H 0.103      
6 H 0.097      
7 H 0.093      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.336 1.862 0.000 1.893
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.596 0.213 0.000
y 0.213 -21.292 0.000
z 0.000 0.000 -21.023
Traceless
 xyz
x 0.562 0.213 0.000
y 0.213 -0.483 0.000
z 0.000 0.000 -0.080
Polar
3z2-r2-0.159
x2-y20.697
xy0.213
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.782 1.657 0.000
y 1.657 3.681 0.000
z 0.000 0.000 0.755


<r2> (average value of r2) Å2
<r2> 79.082
(<r2>)1/2 8.893