return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/daug-cc-pVDZ
 hartrees
Energy at 0K-207.915052
Energy at 298.15K 
HF Energy-207.915052
Nuclear repulsion energy104.284542
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 B3LYPultrafine/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' 3263 3263 0.47 61.46 0.69 0.81
2 A' 3164 3164 4.67 181.74 0.12 0.22
3 A' 3148 3148 3.38 19.72 0.62 0.77
4 A' 1673 1673 2.13 40.55 0.08 0.14
5 A' 1578 1578 144.25 83.17 0.41 0.58
6 A' 1406 1406 25.27 23.46 0.37 0.54
7 A' 1279 1279 2.02 9.18 0.24 0.39
8 A' 1143 1143 79.99 27.12 0.39 0.57
9 A' 894 894 30.80 0.32 0.69 0.82
10 A' 614 614 1.49 10.89 0.10 0.19
11 A' 352 352 1.02 0.87 0.67 0.81
12 A" 1035 1035 16.65 3.59 0.75 0.86
13 A" 1003 1003 38.01 0.25 0.75 0.86
14 A" 682 682 0.94 0.70 0.75 0.86
15 A" 186 186 0.08 0.28 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10710.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10710.5 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 B3LYPultrafine/daug-cc-pVDZ
ABC
1.77082 0.16855 0.15390

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.214 1.220 0.000
C2 0.000 0.650 0.000
N3 -0.047 -0.777 0.000
O4 -1.180 -1.232 0.000
H5 2.106 0.594 0.000
H6 1.337 2.301 0.000
H7 -0.954 1.183 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.34102.36163.42671.08981.08842.1684
C21.34101.42732.22112.10662.12511.0934
N32.36161.42731.22072.55273.37522.1597
O43.42672.22111.22073.75934.33842.4258
H51.08982.10662.55273.75931.87213.1164
H61.08842.12513.37524.33841.87212.5499
H72.16841.09342.15972.42583.11642.5499

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.070 C1 C2 H7 125.626
C2 C1 H5 119.789 C2 C1 H6 121.690
C2 N3 O4 113.798 N3 C2 H7 117.304
H5 C1 H6 118.522
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.524      
2 C 2.291      
3 N 0.281      
4 O -0.371      
5 H -0.861      
6 H -0.910      
7 H -0.953      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.504 3.043 0.000 3.395
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.050 -0.031 0.000
y -0.031 -23.769 0.000
z 0.000 0.000 -24.014
Traceless
 xyz
x 0.841 -0.031 0.000
y -0.031 -0.237 0.000
z 0.000 0.000 -0.604
Polar
3z2-r2-1.208
x2-y20.719
xy-0.031
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.611 2.125 0.000
y 2.125 7.340 0.000
z 0.000 0.000 3.966


<r2> (average value of r2) Å2
<r2> 76.753
(<r2>)1/2 8.761