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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: B2PLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-31G*
 hartrees
Energy at 0K-207.671639
Energy at 298.15K 
HF Energy-207.471383
Nuclear repulsion energy104.168219
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 B2PLYP/6-31G*
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' 3310 3142 1.28 59.07 0.69 0.82
2 A' 3221 3058 4.51 144.06 0.16 0.28
3 A' 3206 3043 2.66 16.05 0.47 0.64
4 A' 1696 1610 2.48 27.43 0.17 0.29
5 A' 1537 1459 78.20 40.41 0.30 0.46
6 A' 1446 1373 20.25 23.91 0.38 0.55
7 A' 1307 1241 0.94 7.84 0.50 0.66
8 A' 1169 1110 67.88 24.93 0.50 0.66
9 A' 913 866 27.95 0.09 0.71 0.83
10 A' 615 583 1.76 6.98 0.27 0.43
11 A' 348 331 1.40 0.49 0.69 0.81
12 A" 1018 966 38.98 0.08 0.75 0.86
13 A" 996 945 14.12 1.29 0.75 0.86
14 A" 688 653 0.46 8.21 0.75 0.86
15 A" 179 170 0.06 1.41 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10823.7 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 10273.9 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 B2PLYP/6-31G*
ABC
1.75976 0.16873 0.15397

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.207 1.225 0.000
C2 0.000 0.646 0.000
N3 -0.035 -0.781 0.000
O4 -1.183 -1.230 0.000
H5 2.098 0.608 0.000
H6 1.328 2.302 0.000
H7 -0.955 1.167 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.33862.35913.42681.08441.08312.1623
C21.33861.42722.21852.09872.12201.0875
N32.35911.42721.23342.54533.36992.1538
O43.42682.21851.23343.76144.33352.4082
H51.08442.09872.54533.76141.86093.1038
H61.08312.12203.36994.33351.86092.5487
H72.16231.08752.15382.40823.10382.5487

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.031 C1 C2 H7 125.755
C2 C1 H5 119.664 C2 C1 H6 122.028
C2 N3 O4 112.784 N3 C2 H7 117.214
H5 C1 H6 118.308
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.319      
2 C 0.036      
3 N 0.003      
4 O -0.274      
5 H 0.194      
6 H 0.185      
7 H 0.175      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.341 2.851 0.000 3.150
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.271 -0.059 -0.002
y -0.059 -23.170 -0.002
z -0.002 -0.002 -23.279
Traceless
 xyz
x 0.954 -0.059 -0.002
y -0.059 -0.395 -0.002
z -0.002 -0.002 -0.559
Polar
3z2-r2-1.118
x2-y20.899
xy-0.059
xz-0.002
yz-0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.191 2.098 0.000
y 2.098 5.824 0.000
z 0.000 0.000 1.952


<r2> (average value of r2) Å2
<r2> 76.249
(<r2>)1/2 8.732