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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: HF/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-206.764770
Energy at 298.15K 
HF Energy-206.764770
Nuclear repulsion energy106.357039
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/Def2TZVPP
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' 3399 3080 1.57 55.36 0.68 0.81
2 A' 3336 3023 4.61 106.58 0.24 0.39
3 A' 3304 2995 1.94 49.80 0.13 0.23
4 A' 1898 1721 172.96 70.46 0.40 0.57
5 A' 1829 1658 7.13 131.31 0.18 0.31
6 A' 1538 1394 15.71 28.04 0.36 0.53
7 A' 1399 1268 1.04 13.59 0.26 0.42
8 A' 1266 1148 63.86 36.26 0.48 0.65
9 A' 979 888 20.93 1.53 0.75 0.86
10 A' 664 602 3.85 6.12 0.17 0.29
11 A' 384 348 2.23 0.45 0.68 0.81
12 A" 1133 1027 25.96 8.20 0.75 0.86
13 A" 1095 992 43.56 1.22 0.75 0.86
14 A" 753 682 2.61 3.41 0.75 0.86
15 A" 185 167 0.00 0.48 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11580.6 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 10496.7 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 HF/Def2TZVPP
ABC
1.84073 0.17398 0.15896

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.186 1.210 0.000
C2 0.000 0.644 0.000
N3 -0.057 -0.779 0.000
O4 -1.144 -1.216 0.000
H5 2.074 0.608 0.000
H6 1.298 2.277 0.000
H7 -0.940 1.165 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.31422.34543.36381.07311.07212.1263
C21.31421.42412.18372.07432.08531.0743
N32.34541.42411.17182.54213.34202.1346
O43.36382.18371.17183.69874.26122.3893
H51.07312.07432.54213.69871.84063.0648
H61.07212.08533.34204.26121.84062.4985
H72.12631.07432.13462.38933.06482.4985

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.798 C1 C2 H7 125.507
C2 C1 H5 120.324 C2 C1 H6 121.488
C2 N3 O4 114.187 N3 C2 H7 116.694
H5 C1 H6 118.189
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.076      
2 C -0.016      
3 N 0.135      
4 O -0.324      
5 H 0.098      
6 H 0.099      
7 H 0.085      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.402 2.805 0.000 3.136
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.615 -0.209 0.000
y -0.209 -23.483 0.000
z 0.000 0.000 -23.976
Traceless
 xyz
x 1.114 -0.209 0.000
y -0.209 -0.188 0.000
z 0.000 0.000 -0.927
Polar
3z2-r2-1.853
x2-y20.868
xy-0.209
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.834 2.146 0.000
y 2.146 5.898 0.000
z 0.000 0.000 3.257


<r2> (average value of r2) Å2
<r2> 74.648
(<r2>)1/2 8.640