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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: HF/daug-cc-pVDZ

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/daug-cc-pVDZ
 hartrees
Energy at 0K-206.712693
Energy at 298.15K 
HF Energy-206.712693
Nuclear repulsion energy105.858259
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/daug-cc-pVDZ
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' 3416 3115 1.33 55.80 0.68 0.81
2 A' 3349 3054 3.87 100.24 0.23 0.38
3 A' 3312 3020 1.77 53.55 0.10 0.18
4 A' 1898 1731 181.03 74.80 0.43 0.60
5 A' 1826 1666 9.98 160.12 0.16 0.27
6 A' 1526 1391 17.66 30.19 0.33 0.50
7 A' 1387 1265 0.75 12.89 0.20 0.34
8 A' 1266 1154 67.60 37.01 0.48 0.65
9 A' 977 891 19.16 1.35 0.71 0.83
10 A' 661 603 4.01 7.49 0.10 0.19
11 A' 382 348 2.11 0.41 0.63 0.77
12 A" 1133 1033 26.42 8.72 0.75 0.86
13 A" 1086 990 42.49 0.87 0.75 0.86
14 A" 746 680 2.90 1.83 0.75 0.86
15 A" 189 172 0.01 0.28 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11575.9 cm-1
Scaled (by 0.912) Zero Point Vibrational Energy (zpe) 10557.3 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/daug-cc-pVDZ
ABC
1.81716 0.17270 0.15771

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.196 1.211 0.000
C2 0.000 0.645 0.000
N3 -0.058 -0.781 0.000
O4 -1.153 -1.216 0.000
H5 2.088 0.601 0.000
H6 1.310 2.284 0.000
H7 -0.944 1.171 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.32322.35313.37761.07991.07922.1408
C21.32321.42672.18912.08832.09811.0811
N32.35311.42671.17912.55213.35572.1439
O43.37762.18911.17913.71604.27962.3961
H51.07992.08832.55213.71601.85353.0853
H61.07922.09813.35574.27961.85352.5138
H72.14081.08112.14392.39613.08532.5138

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.625 C1 C2 H7 125.551
C2 C1 H5 120.347 C2 C1 H6 121.360
C2 N3 O4 113.965 N3 C2 H7 116.824
H5 C1 H6 118.293
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.149      
2 C 1.824      
3 N -0.007      
4 O -0.342      
5 H -0.483      
6 H -0.619      
7 H -0.523      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.454 2.846 0.000 3.196
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.683 -0.150 0.000
y -0.150 -23.615 0.000
z 0.000 0.000 -24.267
Traceless
 xyz
x 1.258 -0.150 0.000
y -0.150 -0.140 0.000
z 0.000 0.000 -1.118
Polar
3z2-r2-2.237
x2-y20.932
xy-0.150
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.191 2.086 0.000
y 2.086 6.406 0.000
z 0.000 0.000 3.840


<r2> (average value of r2) Å2
<r2> 75.238
(<r2>)1/2 8.674