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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: HF/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-206.613265
Energy at 298.15K 
HF Energy-206.613265
Nuclear repulsion energy104.414248
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/LANL2DZ
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' 3477 3129 6.90 59.79 0.68 0.81
2 A' 3402 3061 8.54 101.38 0.23 0.37
3 A' 3363 3026 3.09 55.58 0.12 0.21
4 A' 1825 1642 5.00 139.75 0.21 0.35
5 A' 1750 1575 165.46 125.02 0.32 0.48
6 A' 1564 1408 16.89 32.39 0.38 0.55
7 A' 1413 1271 7.04 21.19 0.47 0.64
8 A' 1277 1149 48.18 42.03 0.57 0.73
9 A' 994 894 22.01 1.77 0.68 0.81
10 A' 648 583 8.22 8.37 0.32 0.48
11 A' 374 337 1.89 0.35 0.75 0.86
12 A" 1180 1062 47.11 13.05 0.75 0.86
13 A" 1106 995 50.28 4.09 0.75 0.86
14 A" 763 686 3.22 9.69 0.75 0.86
15 A" 195 176 0.03 0.93 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11665.1 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 10497.4 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/LANL2DZ
ABC
1.82088 0.16726 0.15319

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.194 1.243 0.000
C2 0.000 0.653 0.000
N3 -0.043 -0.779 0.000
O4 -1.163 -1.258 0.000
H5 2.094 0.659 0.000
H6 1.288 2.311 0.000
H7 -0.941 1.170 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.33182.37043.43701.07331.07202.1359
C21.33181.43262.23732.09412.10001.0739
N32.37041.43261.21872.57573.36472.1465
O43.43702.23731.21873.77984.33022.4388
H51.07332.09412.57573.77981.83803.0778
H61.07202.10003.36474.33021.83802.5043
H72.13591.07392.14652.43883.07782.5043

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 118.024 C1 C2 H7 124.872
C2 C1 H5 120.704 C2 C1 H6 121.387
C2 N3 O4 114.857 N3 C2 H7 117.104
H5 C1 H6 117.909
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.363      
2 C -0.078      
3 N 0.069      
4 O -0.289      
5 H 0.218      
6 H 0.210      
7 H 0.232      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.762 3.546 0.000 3.959
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.234 -0.639 0.000
y -0.639 -24.366 0.000
z 0.000 0.000 -24.351
Traceless
 xyz
x 1.125 -0.639 0.000
y -0.639 -0.573 0.000
z 0.000 0.000 -0.551
Polar
3z2-r2-1.102
x2-y21.132
xy-0.639
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.749 2.635 0.000
y 2.635 5.351 0.000
z 0.000 0.000 1.870


<r2> (average value of r2) Å2
<r2> 77.191
(<r2>)1/2 8.786