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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: PBE1PBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/cc-pVTZ
 hartrees
Energy at 0K-207.717087
Energy at 298.15K 
HF Energy-207.717087
Nuclear repulsion energy105.210809
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 PBE1PBE/cc-pVTZ
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' 3268 3140 0.32 58.25 0.67 0.81
2 A' 3175 3051 4.42 171.40 0.16 0.27
3 A' 3159 3036 3.19 17.65 0.63 0.77
4 A' 1703 1637 9.74 17.10 0.07 0.13
5 A' 1639 1575 126.45 82.68 0.33 0.49
6 A' 1410 1355 25.22 17.70 0.45 0.62
7 A' 1285 1234 2.45 6.95 0.41 0.58
8 A' 1154 1109 72.92 24.21 0.43 0.60
9 A' 899 864 27.64 0.30 0.42 0.59
10 A' 620 596 1.53 7.58 0.21 0.35
11 A' 347 334 1.37 0.83 0.72 0.84
12 A" 1018 978 7.41 3.21 0.75 0.86
13 A" 1011 972 47.30 0.14 0.75 0.86
14 A" 692 665 1.15 3.41 0.75 0.86
15 A" 179 172 0.06 0.77 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10779.0 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 10358.6 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 PBE1PBE/cc-pVTZ
ABC
1.79333 0.17162 0.15663

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.204 1.208 0.000
C2 0.000 0.647 0.000
N3 -0.050 -0.773 0.000
O4 -1.169 -1.219 0.000
H5 2.083 0.574 0.000
H6 1.339 2.281 0.000
H7 -0.949 1.178 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.32822.34403.39431.08381.08182.1528
C21.32821.42082.20222.08422.11231.0869
N32.34401.42081.20492.52203.35472.1477
O43.39432.20221.20493.71314.30582.4072
H51.08382.08422.52203.71311.86293.0910
H61.08182.11233.35474.30581.86292.5394
H72.15281.08692.14772.40723.09102.5394

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 116.971 C1 C2 H7 125.811
C2 C1 H5 119.213 C2 C1 H6 122.105
C2 N3 O4 113.757 N3 C2 H7 117.218
H5 C1 H6 118.682
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.218      
2 C -0.032      
3 N 0.060      
4 O -0.195      
5 H 0.139      
6 H 0.146      
7 H 0.100      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.360 2.817 0.000 3.128
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.490 -0.013 0.000
y -0.013 -23.126 0.000
z 0.000 0.000 -23.568
Traceless
 xyz
x 0.857 -0.013 0.000
y -0.013 -0.098 0.000
z 0.000 0.000 -0.759
Polar
3z2-r2-1.518
x2-y20.636
xy-0.013
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.837 2.065 0.000
y 2.065 6.380 0.000
z 0.000 0.000 2.934


<r2> (average value of r2) Å2
<r2> 75.337
(<r2>)1/2 8.680