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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: B3LYP/CEP-31G*

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/CEP-31G*
 hartrees
Energy at 0K-38.868406
Energy at 298.15K 
HF Energy-38.868406
Nuclear repulsion energy55.336308
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/CEP-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3256 3144 7.31 58.43 0.69 0.82
2 A' 3171 3063 6.57 147.21 0.20 0.34
3 A' 3151 3043 4.17 18.22 0.72 0.84
4 A' 1675 1618 1.27 41.36 0.17 0.29
5 A' 1568 1515 121.03 75.48 0.28 0.44
6 A' 1393 1345 21.19 23.37 0.41 0.58
7 A' 1252 1209 1.57 5.76 0.46 0.63
8 A' 1133 1094 78.80 29.90 0.56 0.72
9 A' 878 848 30.45 0.35 0.43 0.60
10 A' 596 575 3.26 7.67 0.31 0.47
11 A' 339 327 1.02 1.37 0.67 0.80
12 A" 993 959 56.95 0.91 0.75 0.86
13 A" 977 944 34.61 8.44 0.75 0.86
14 A" 669 646 1.20 2.43 0.75 0.86
15 A" 184 178 0.22 1.18 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10618.3 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 10254.1 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/CEP-31G*
ABC
1.70786 0.16498 0.15045

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.245 1.222 0.000
C2 0.000 0.652 0.000
N3 -0.048 -0.789 0.000
O4 -1.212 -1.226 0.000
H5 2.133 0.583 0.000
H6 1.378 2.309 0.000
H7 -0.956 1.190 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.36942.39053.46821.09491.09472.2009
C21.36941.44112.23462.13462.15551.0970
N32.39051.44111.24342.57643.41002.1771
O43.46822.23461.24343.80284.38222.4295
H51.09492.13462.57643.80281.88413.1484
H61.09472.15553.41004.38221.88412.5885
H72.20091.09702.17712.42953.14842.5885

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 116.519 C1 C2 H7 125.983
C2 C1 H5 119.628 C2 C1 H6 121.630
C2 N3 O4 112.486 N3 C2 H7 117.497
H5 C1 H6 118.742
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.483      
2 C -0.147      
3 N 0.030      
4 O -0.160      
5 H 0.236      
6 H 0.228      
7 H 0.295      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.542 3.195 0.000 3.547
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.097 -0.265 0.000
y -0.265 -22.955 0.000
z 0.000 0.000 -23.621
Traceless
 xyz
x 1.191 -0.265 0.000
y -0.265 -0.096 0.000
z 0.000 0.000 -1.095
Polar
3z2-r2-2.190
x2-y20.858
xy-0.265
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.734 2.618 0.000
y 2.618 6.011 0.000
z 0.000 0.000 2.309


<r2> (average value of r2) Å2
<r2> 63.570
(<r2>)1/2 7.973