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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: B1B95/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/3-21G*
 hartrees
Energy at 0K-206.624857
Energy at 298.15K 
HF Energy-206.624857
Nuclear repulsion energy103.277855
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 B1B95/3-21G*
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' 3298 3149 0.58 55.57 0.65 0.79
2 A' 3221 3075 3.65 109.59 0.23 0.37
3 A' 3198 3053 0.15 38.64 0.12 0.21
4 A' 1706 1629 2.80 30.82 0.16 0.28
5 A' 1464 1398 14.80 17.69 0.41 0.58
6 A' 1372 1310 41.25 34.24 0.29 0.44
7 A' 1297 1238 1.23 7.59 0.53 0.69
8 A' 1128 1077 36.11 23.86 0.52 0.68
9 A' 863 824 44.20 1.81 0.61 0.76
10 A' 602 575 2.08 6.43 0.30 0.47
11 A' 328 313 1.06 0.32 0.68 0.81
12 A" 1043 996 12.40 2.73 0.75 0.86
13 A" 1036 989 69.54 0.03 0.75 0.86
14 A" 688 657 1.93 10.10 0.75 0.86
15 A" 190 182 0.20 1.61 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10716.3 cm-1
Scaled (by 0.9549) Zero Point Vibrational Energy (zpe) 10233.0 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 B1B95/3-21G*
ABC
1.71218 0.16682 0.15201

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.176 1.263 0.000
C2 0.000 0.646 0.000
N3 0.003 -0.800 0.000
O4 -1.182 -1.251 0.000
H5 2.086 0.676 0.000
H6 1.261 2.341 0.000
H7 -0.968 1.132 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.32812.37343.44681.08311.08102.1484
C21.32811.44622.23532.08622.11241.0832
N32.37341.44621.26742.55293.38342.1620
O43.44682.23531.26743.79344.34392.3925
H51.08312.08622.55293.79341.85823.0882
H61.08102.11243.38344.34391.85822.5363
H72.14841.08322.16202.39253.08822.5363

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.568 C1 C2 H7 125.696
C2 C1 H5 119.474 C2 C1 H6 122.195
C2 N3 O4 110.750 N3 C2 H7 116.737
H5 C1 H6 118.331
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.382      
2 C -0.051      
3 N -0.038      
4 O -0.270      
5 H 0.252      
6 H 0.239      
7 H 0.249      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.274 2.929 0.000 3.194
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.136 -0.079 0.000
y -0.079 -22.998 0.000
z 0.000 0.000 -23.466
Traceless
 xyz
x 1.096 -0.079 0.000
y -0.079 -0.197 0.000
z 0.000 0.000 -0.899
Polar
3z2-r2-1.798
x2-y20.862
xy-0.079
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.821 2.134 0.000
y 2.134 5.357 0.000
z 0.000 0.000 1.437


<r2> (average value of r2) Å2
<r2> 76.930
(<r2>)1/2 8.771