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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: HF/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-311+G(3df,2p)
 hartrees
Energy at 0K-206.754273
Energy at 298.15K 
HF Energy-206.754273
Nuclear repulsion energy106.361557
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 HF/6-311+G(3df,2p)
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' 3395 3084 1.25 54.09 0.68 0.81
2 A' 3332 3028 3.99 102.29 0.23 0.38
3 A' 3300 2999 1.73 45.46 0.11 0.20
4 A' 1900 1726 177.16 73.03 0.44 0.61
5 A' 1824 1657 7.67 145.02 0.16 0.28
6 A' 1537 1397 16.39 29.14 0.34 0.51
7 A' 1398 1270 0.86 14.74 0.21 0.35
8 A' 1268 1152 65.26 36.71 0.48 0.65
9 A' 979 889 20.62 1.60 0.74 0.85
10 A' 664 603 3.71 6.99 0.11 0.19
11 A' 385 349 2.06 0.40 0.64 0.78
12 A" 1133 1030 24.92 9.36 0.75 0.86
13 A" 1093 993 44.67 0.77 0.75 0.86
14 A" 753 684 2.83 1.72 0.75 0.86
15 A" 188 171 0.01 0.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11574.3 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 10516.4 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 HF/6-311+G(3df,2p)
ABC
1.84023 0.17403 0.15900

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.187 1.209 0.000
C2 0.000 0.644 0.000
N3 -0.057 -0.778 0.000
O4 -1.145 -1.215 0.000
H5 2.075 0.606 0.000
H6 1.300 2.275 0.000
H7 -0.940 1.165 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.31452.34453.36341.07331.07232.1276
C21.31451.42352.18352.07522.08561.0746
N32.34451.42351.17182.54183.34142.1341
O43.36342.18351.17183.69864.26132.3889
H51.07332.07522.54183.69861.84063.0663
H61.07232.08563.34144.26131.84062.5001
H72.12761.07462.13412.38893.06632.5001

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.740 C1 C2 H7 125.585
C2 C1 H5 120.370 C2 C1 H6 121.478
C2 N3 O4 114.210 N3 C2 H7 116.675
H5 C1 H6 118.152
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.215      
2 C 0.385      
3 N -0.185      
4 O -0.459      
5 H 0.160      
6 H 0.159      
7 H 0.156      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.419 2.823 0.000 3.160
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.603 -0.132 0.000
y -0.132 -23.528 0.000
z 0.000 0.000 -24.142
Traceless
 xyz
x 1.233 -0.132 0.000
y -0.132 -0.155 0.000
z 0.000 0.000 -1.077
Polar
3z2-r2-2.154
x2-y20.925
xy-0.132
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.007 2.063 0.000
y 2.063 6.223 0.000
z 0.000 0.000 3.706


<r2> (average value of r2) Å2
<r2> 74.678
(<r2>)1/2 8.642