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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: B2PLYP=FULLultrafine/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=FULLultrafine/6-31G*
 hartrees
Energy at 0K-207.676153
Energy at 298.15K 
HF Energy-207.471420
Nuclear repulsion energy104.193962
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=FULLultrafine/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 3140 1.27 59.04 0.69 0.82
2 A' 3221 3056 4.48 144.09 0.16 0.28
3 A' 3206 3041 2.68 15.91 0.48 0.65
4 A' 1697 1610 2.48 27.42 0.17 0.29
5 A' 1537 1459 78.20 40.46 0.30 0.46
6 A' 1447 1372 20.31 23.86 0.38 0.55
7 A' 1308 1241 0.95 7.83 0.50 0.66
8 A' 1170 1110 67.73 24.90 0.50 0.66
9 A' 913 866 27.90 0.09 0.71 0.83
10 A' 615 584 1.78 6.97 0.27 0.43
11 A' 349 331 1.39 0.49 0.69 0.81
12 A" 1019 966 38.85 0.08 0.75 0.86
13 A" 997 946 14.24 1.29 0.75 0.86
14 A" 688 653 0.46 8.20 0.75 0.86
15 A" 180 171 0.06 1.41 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10827.4 cm-1
Scaled (by 0.9487) Zero Point Vibrational Energy (zpe) 10272.0 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 B2PLYP=FULLultrafine/6-31G*
ABC
1.76053 0.16883 0.15406

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.206 1.225 0.000
C2 0.000 0.646 0.000
N3 -0.035 -0.780 0.000
O4 -1.183 -1.230 0.000
H5 2.098 0.608 0.000
H6 1.327 2.301 0.000
H7 -0.955 1.167 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.33822.35833.42581.08441.08312.1619
C21.33821.42672.21782.09832.12171.0874
N32.35831.42671.23312.54463.36922.1533
O43.42582.21781.23313.76054.33262.4074
H51.08442.09832.54463.76051.86073.1034
H61.08312.12173.36924.33261.86072.5485
H72.16191.08742.15332.40743.10342.5485

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.033 C1 C2 H7 125.757
C2 C1 H5 119.664 C2 C1 H6 122.045
C2 N3 O4 112.779 N3 C2 H7 117.209
H5 C1 H6 118.291
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/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 0.193      
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
  1.340 2.851 0.000 3.150
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.270 -0.059 -0.002
y -0.059 -23.169 -0.002
z -0.002 -0.002 -23.276
Traceless
 xyz
x 0.952 -0.059 -0.002
y -0.059 -0.396 -0.002
z -0.002 -0.002 -0.556
Polar
3z2-r2-1.112
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 6.188 2.096 0.000
y 2.096 5.820 0.000
z 0.000 0.000 1.952


<r2> (average value of r2) Å2
<r2> 76.216
(<r2>)1/2 8.730