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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: mPW1PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-207.836667
Energy at 298.15K 
HF Energy-207.836667
Nuclear repulsion energy105.042445
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 mPW1PW91/6-31G(2df,p)
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' 3290 3141 0.38 55.63 0.69 0.81
2 A' 3198 3053 4.24 145.79 0.16 0.28
3 A' 3180 3036 2.75 15.98 0.53 0.70
4 A' 1712 1634 8.46 10.48 0.10 0.18
5 A' 1651 1576 114.47 75.50 0.27 0.43
6 A' 1415 1351 22.03 18.63 0.40 0.57
7 A' 1283 1225 1.91 6.53 0.50 0.67
8 A' 1159 1107 68.01 21.56 0.50 0.66
9 A' 900 859 25.91 0.15 0.14 0.24
10 A' 619 591 1.69 6.86 0.22 0.37
11 A' 340 325 1.26 0.72 0.65 0.78
12 A" 1023 976 22.97 0.28 0.75 0.86
13 A" 1014 968 23.19 1.34 0.75 0.86
14 A" 691 660 0.38 5.21 0.75 0.86
15 A" 181 173 0.07 1.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10827.7 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 10337.2 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 mPW1PW91/6-31G(2df,p)
ABC
1.78592 0.17117 0.15620

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.203 1.213 0.000
C2 0.000 0.645 0.000
N3 -0.046 -0.777 0.000
O4 -1.171 -1.219 0.000
H5 2.087 0.585 0.000
H6 1.335 2.288 0.000
H7 -0.952 1.171 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.33022.34983.39871.08431.08262.1552
C21.33021.42322.20182.08772.11651.0873
N32.34981.42321.20832.53083.36162.1483
O43.39872.20181.20833.72384.31032.4005
H51.08432.08772.53083.72381.86123.0946
H61.08262.11653.36164.31031.86122.5450
H72.15521.08732.14832.40053.09462.5450

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.124 C1 C2 H7 125.825
C2 C1 H5 119.334 C2 C1 H6 122.277
C2 N3 O4 113.337 N3 C2 H7 117.051
H5 C1 H6 118.390
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.339      
2 C 0.063      
3 N 0.035      
4 O -0.260      
5 H 0.178      
6 H 0.175      
7 H 0.148      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.299 2.762 0.000 3.052
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.898 -0.040 0.000
y -0.040 -22.662 0.000
z 0.000 0.000 -23.038
Traceless
 xyz
x 0.952 -0.040 0.000
y -0.040 -0.194 0.000
z 0.000 0.000 -0.758
Polar
3z2-r2-1.515
x2-y20.764
xy-0.040
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.351 2.024 0.000
y 2.024 6.039 0.000
z 0.000 0.000 2.496


<r2> (average value of r2) Å2
<r2> 75.177
(<r2>)1/2 8.670