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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: HSEh1PBE/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 HSEh1PBE/STO-3G
 hartrees
Energy at 0K-204.975977
Energy at 298.15K 
HF Energy-204.975977
Nuclear repulsion energy100.856616
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/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 3171 2.86 40.53 0.73 0.84
2 A' 3469 3063 0.04 60.59 0.19 0.32
3 A' 3427 3026 34.10 24.77 0.20 0.34
4 A' 1815 1603 4.94 16.46 0.13 0.23
5 A' 1625 1435 11.75 16.08 0.19 0.31
6 A' 1526 1348 7.76 28.36 0.43 0.60
7 A' 1353 1195 0.19 7.63 0.70 0.82
8 A' 1153 1018 31.66 13.86 0.70 0.83
9 A' 898 793 36.80 0.44 0.66 0.80
10 A' 567 500 0.01 4.62 0.33 0.50
11 A' 315 278 0.05 0.32 0.71 0.83
12 A" 1084 958 14.59 0.13 0.75 0.86
13 A" 1026 906 16.04 0.23 0.75 0.86
14 A" 621 549 0.50 4.86 0.75 0.86
15 A" 143 126 0.63 0.97 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11305.7 cm-1
Scaled (by 0.8831) Zero Point Vibrational Energy (zpe) 9984.1 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/STO-3G
ABC
1.61274 0.15829 0.14414

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.169 1.323 0.000
C2 0.000 0.676 0.000
N3 0.015 -0.851 0.000
O4 -1.185 -1.300 0.000
H5 2.114 0.767 0.000
H6 1.234 2.417 0.000
H7 -0.982 1.174 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.33582.46073.52411.09641.09592.1564
C21.33581.52672.30402.11562.13351.1013
N32.46071.52671.28142.64973.48732.2566
O43.52412.30401.28143.89274.43432.4818
H51.09642.11562.64973.89271.87013.1227
H61.09592.13353.48734.43431.87012.5408
H72.15641.10132.25662.48183.12272.5408

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 118.399 C1 C2 H7 124.177
C2 C1 H5 120.565 C2 C1 H6 122.345
C2 N3 O4 109.960 N3 C2 H7 117.424
H5 C1 H6 117.091
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.146      
2 C -0.044      
3 N -0.037      
4 O -0.071      
5 H 0.105      
6 H 0.099      
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
  0.341 1.870 0.000 1.901
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.568 0.223 0.000
y 0.223 -21.261 0.000
z 0.000 0.000 -21.024
Traceless
 xyz
x 0.575 0.223 0.000
y 0.223 -0.465 0.000
z 0.000 0.000 -0.110
Polar
3z2-r2-0.219
x2-y20.693
xy0.223
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.784 1.675 0.000
y 1.675 3.687 0.000
z 0.000 0.000 0.756


<r2> (average value of r2) Å2
<r2> 79.104
(<r2>)1/2 8.894