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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G
 hartrees
Energy at 0K-207.586027
Energy at 298.15K 
HF Energy-207.586027
Nuclear repulsion energy103.707255
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 HSEh1PBE/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' 3315 3171 1.19 60.84 0.67 0.80
2 A' 3220 3081 5.99 150.40 0.17 0.30
3 A' 3202 3063 1.49 20.15 0.30 0.46
4 A' 1712 1638 4.88 36.95 0.17 0.30
5 A' 1504 1439 93.06 46.45 0.33 0.49
6 A' 1459 1396 25.71 21.82 0.39 0.56
7 A' 1317 1259 1.59 10.81 0.46 0.63
8 A' 1170 1119 59.29 22.64 0.51 0.68
9 A' 917 878 29.47 0.19 0.72 0.84
10 A' 621 594 3.82 8.88 0.30 0.47
11 A' 347 332 1.45 0.53 0.68 0.81
12 A" 1053 1007 26.53 2.76 0.75 0.86
13 A" 1036 991 50.79 0.41 0.75 0.86
14 A" 697 667 0.72 9.32 0.75 0.86
15 A" 196 188 0.24 1.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10882.8 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 10410.5 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 HSEh1PBE/6-31G
ABC
1.76928 0.16680 0.15243

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.205 1.234 0.000
C2 0.000 0.653 0.000
N3 -0.032 -0.774 0.000
O4 -1.185 -1.251 0.000
H5 2.099 0.617 0.000
H6 1.326 2.311 0.000
H7 -0.953 1.176 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.33832.35883.44791.08541.08342.1595
C21.33831.42692.24222.09892.12331.0874
N32.35881.42691.24722.54493.37062.1562
O43.44792.24221.24723.77764.35792.4378
H51.08542.09892.54493.77761.86113.1026
H61.08342.12333.37064.35791.86112.5466
H72.15951.08742.15622.43783.10262.5466

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.047 C1 C2 H7 125.494
C2 C1 H5 119.626 C2 C1 H6 122.160
C2 N3 O4 113.791 N3 C2 H7 117.459
H5 C1 H6 118.214
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.301      
2 C 0.007      
3 N -0.012      
4 O -0.297      
5 H 0.206      
6 H 0.194      
7 H 0.203      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.581 3.368 0.000 3.720
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.565 -0.204 0.000
y -0.204 -23.555 0.000
z 0.000 0.000 -23.410
Traceless
 xyz
x 0.918 -0.204 0.000
y -0.204 -0.568 0.000
z 0.000 0.000 -0.350
Polar
3z2-r2-0.700
x2-y20.991
xy-0.204
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.330 2.301 0.000
y 2.301 5.821 0.000
z 0.000 0.000 1.740


<r2> (average value of r2) Å2
<r2> 77.009
(<r2>)1/2 8.775