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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: B2PLYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-31+G**
 hartrees
Energy at 0K-207.695972
Energy at 298.15K 
HF Energy-207.486900
Nuclear repulsion energy104.146886
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 B2PLYP/6-31+G**
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' 3311 3153 0.46 61.98 0.68 0.81
2 A' 3217 3064 4.63 160.76 0.17 0.29
3 A' 3202 3049 1.67 21.57 0.37 0.54
4 A' 1681 1601 2.60 50.82 0.11 0.20
5 A' 1519 1447 106.53 63.22 0.42 0.59
6 A' 1436 1367 25.68 29.11 0.40 0.57
7 A' 1300 1238 1.18 9.97 0.26 0.41
8 A' 1164 1109 80.30 31.82 0.45 0.62
9 A' 911 868 30.62 0.41 0.75 0.86
10 A' 615 585 1.77 9.02 0.14 0.25
11 A' 353 336 1.15 0.69 0.72 0.84
12 A" 1003 955 65.84 0.95 0.75 0.86
13 A" 996 948 0.80 3.49 0.75 0.86
14 A" 683 650 1.09 1.66 0.75 0.86
15 A" 177 168 0.10 0.43 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10782.4 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 10269.1 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 B2PLYP/6-31+G**
ABC
1.76639 0.16845 0.15379

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.213 1.221 0.000
C2 0.000 0.649 0.000
N3 -0.040 -0.775 0.000
O4 -1.185 -1.232 0.000
H5 2.100 0.598 0.000
H6 1.335 2.296 0.000
H7 -0.951 1.174 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.34112.35653.43081.08341.08182.1647
C21.34111.42462.22352.10042.11981.0865
N32.35651.42461.23362.54243.36442.1518
O43.43082.22351.23363.76094.33562.4178
H51.08342.10042.54243.76091.86183.1048
H61.08182.11983.36444.33561.86182.5462
H72.16471.08652.15182.41783.10482.5462

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 116.835 C1 C2 H7 125.852
C2 C1 H5 119.697 C2 C1 H6 121.695
C2 N3 O4 113.348 N3 C2 H7 117.313
H5 C1 H6 118.609
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.148      
2 C -0.155      
3 N -0.098      
4 O -0.103      
5 H 0.175      
6 H 0.161      
7 H 0.168      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.478 3.115 0.000 3.448
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.121 -0.037 -0.005
y -0.037 -23.940 -0.006
z -0.005 -0.006 -24.187
Traceless
 xyz
x 0.943 -0.037 -0.005
y -0.037 -0.286 -0.006
z -0.005 -0.006 -0.657
Polar
3z2-r2-1.315
x2-y20.819
xy-0.037
xz-0.005
yz-0.006


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.209 2.259 0.001
y 2.259 6.735 0.002
z 0.001 0.002 3.271


<r2> (average value of r2) Å2
<r2> 76.840
(<r2>)1/2 8.766