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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: mPW1PW91/STO-3G

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/STO-3G
 hartrees
Energy at 0K-205.135698
Energy at 298.15K 
HF Energy-205.135698
Nuclear repulsion energy100.819505
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/STO-3G
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' 3590 3155 2.94 40.69 0.73 0.84
2 A' 3468 3048 0.05 60.61 0.19 0.32
3 A' 3427 3012 34.58 24.93 0.20 0.34
4 A' 1815 1596 4.84 16.65 0.13 0.23
5 A' 1623 1427 11.62 15.92 0.19 0.32
6 A' 1527 1342 7.66 28.66 0.43 0.60
7 A' 1354 1190 0.23 7.73 0.70 0.82
8 A' 1153 1014 31.38 13.83 0.71 0.83
9 A' 898 789 36.77 0.47 0.67 0.80
10 A' 566 497 0.01 4.63 0.33 0.50
11 A' 316 278 0.05 0.32 0.71 0.83
12 A" 1084 953 14.71 0.14 0.75 0.86
13 A" 1027 902 15.92 0.24 0.75 0.86
14 A" 622 546 0.50 4.94 0.75 0.86
15 A" 142 125 0.62 0.98 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11305.7 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 9936.6 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/STO-3G
ABC
1.61210 0.15813 0.14401

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.168 1.324 0.000
C2 0.000 0.677 0.000
N3 0.015 -0.851 0.000
O4 -1.185 -1.301 0.000
H5 2.114 0.770 0.000
H6 1.231 2.418 0.000
H7 -0.982 1.174 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.33572.46203.52571.09611.09572.1559
C21.33571.52782.30562.11602.13281.1010
N32.46201.52781.28212.65173.48812.2574
O43.52572.30561.28213.89524.43532.4831
H51.09612.11602.65173.89521.86963.1225
H61.09572.13283.48814.43531.86962.5395
H72.15591.10102.25742.48313.12252.5395

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 118.424 C1 C2 H7 124.157
C2 C1 H5 120.623 C2 C1 H6 122.305
C2 N3 O4 109.967 N3 C2 H7 117.419
H5 C1 H6 117.072
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.146      
2 C -0.043      
3 N -0.037      
4 O -0.072      
5 H 0.105      
6 H 0.098      
7 H 0.094      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.344 1.876 0.000 1.908
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.576 0.218 0.000
y 0.218 -21.269 0.000
z 0.000 0.000 -21.024
Traceless
 xyz
x 0.571 0.218 0.000
y 0.218 -0.469 0.000
z 0.000 0.000 -0.102
Polar
3z2-r2-0.204
x2-y20.693
xy0.218
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.793 1.678 0.000
y 1.678 3.693 0.000
z 0.000 0.000 0.756


<r2> (average value of r2) Å2
<r2> 79.164
(<r2>)1/2 8.897