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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: PBEPBE/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/TZVP
 hartrees
Energy at 0K-207.720206
Energy at 298.15K 
HF Energy-207.720206
Nuclear repulsion energy103.949200
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 PBEPBE/TZVP
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' 3184 3149 0.58 63.41 0.67 0.81
2 A' 3087 3053 2.69 169.62 0.13 0.23
3 A' 3064 3029 10.02 54.36 0.47 0.64
4 A' 1622 1604 1.36 27.00 0.09 0.16
5 A' 1493 1476 120.31 44.39 0.40 0.57
6 A' 1365 1350 26.83 17.74 0.42 0.59
7 A' 1243 1229 1.37 8.52 0.39 0.56
8 A' 1096 1083 74.33 20.46 0.44 0.61
9 A' 852 842 39.76 0.18 0.20 0.33
10 A' 595 588 0.57 10.01 0.21 0.35
11 A' 337 333 1.41 1.08 0.72 0.84
12 A" 976 965 19.37 1.01 0.75 0.86
13 A" 969 958 36.62 1.15 0.75 0.86
14 A" 655 647 0.64 3.93 0.75 0.86
15 A" 175 173 0.17 0.73 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10355.7 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 10239.7 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 PBEPBE/TZVP
ABC
1.75524 0.16775 0.15312

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.215 1.222 0.000
C2 0.000 0.653 0.000
N3 -0.045 -0.778 0.000
O4 -1.185 -1.236 0.000
H5 2.103 0.585 0.000
H6 1.350 2.304 0.000
H7 -0.956 1.190 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.34192.36363.43551.09241.09012.1719
C21.34191.43192.23012.10402.13201.0967
N32.36361.43191.22882.54343.38232.1691
O43.43552.23011.22883.75834.35352.4372
H51.09242.10402.54343.75831.87663.1185
H61.09012.13203.38234.35351.87662.5605
H72.17191.09672.16912.43723.11852.5605

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 116.853 C1 C2 H7 125.609
C2 C1 H5 119.263 C2 C1 H6 122.142
C2 N3 O4 113.678 N3 C2 H7 117.539
H5 C1 H6 118.595
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.161      
2 C -0.131      
3 N 0.045      
4 O -0.144      
5 H 0.138      
6 H 0.143      
7 H 0.110      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.430 3.034 0.000 3.354
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.930 -0.020 0.000
y -0.020 -23.611 0.000
z 0.000 0.000 -23.806
Traceless
 xyz
x 0.779 -0.020 0.000
y -0.020 -0.243 0.000
z 0.000 0.000 -0.535
Polar
3z2-r2-1.071
x2-y20.681
xy-0.020
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.163 2.248 0.000
y 2.248 6.811 0.000
z 0.000 0.000 3.015


<r2> (average value of r2) Å2
<r2> 76.955
(<r2>)1/2 8.772