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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: PBEPBEultrafine/aug-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 PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-207.726488
Energy at 298.15K 
HF Energy-207.726488
Nuclear repulsion energy104.066731
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 PBEPBEultrafine/aug-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' 3177 3142 0.51 64.47 0.66 0.80
2 A' 3083 3048 2.66 174.87 0.09 0.17
3 A' 3059 3025 9.20 52.12 0.47 0.64
4 A' 1617 1599 1.63 33.38 0.08 0.14
5 A' 1487 1470 122.65 53.99 0.54 0.70
6 A' 1362 1347 27.85 20.14 0.42 0.59
7 A' 1237 1223 2.68 8.61 0.25 0.40
8 A' 1096 1083 77.32 22.85 0.33 0.50
9 A' 855 846 34.98 0.27 0.73 0.84
10 A' 594 588 0.78 12.74 0.10 0.19
11 A' 336 332 0.85 1.10 0.73 0.84
12 A" 970 959 0.00 1.88 0.75 0.86
13 A" 966 955 50.94 1.12 0.75 0.86
14 A" 651 644 0.59 0.56 0.75 0.86
15 A" 173 171 0.12 0.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10331.4 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 10215.7 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
1.76234 0.16808 0.15345

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.215 1.220 0.000
C2 0.000 0.652 0.000
N3 -0.045 -0.775 0.000
O4 -1.184 -1.235 0.000
H5 2.102 0.583 0.000
H6 1.348 2.301 0.000
H7 -0.956 1.188 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.34132.35993.43271.09131.08902.1711
C21.34131.42832.22812.10272.12951.0954
N32.35991.42831.22802.54043.37682.1639
O43.43272.22811.22803.75504.34902.4338
H51.09132.10272.54043.75501.87553.1163
H61.08902.12953.37684.34901.87552.5585
H72.17111.09542.16392.43383.11632.5585

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 116.846 C1 C2 H7 125.700
C2 C1 H5 119.270 C2 C1 H6 122.044
C2 N3 O4 113.815 N3 C2 H7 117.454
H5 C1 H6 118.686
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.643      
2 C -0.102      
3 N -0.052      
4 O -0.376      
5 H 0.356      
6 H 0.315      
7 H 0.501      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.465 3.015 0.000 3.352
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.054 0.086 0.000
y 0.086 -23.657 0.000
z 0.000 0.000 -23.958
Traceless
 xyz
x 0.753 0.086 0.000
y 0.086 -0.151 0.000
z 0.000 0.000 -0.603
Polar
3z2-r2-1.206
x2-y20.603
xy0.086
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.786 2.059 0.000
y 2.059 7.612 0.000
z 0.000 0.000 3.992


<r2> (average value of r2) Å2
<r2> 76.887
(<r2>)1/2 8.769