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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: B3PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/cc-pVTZ
 hartrees
Energy at 0K-207.873483
Energy at 298.15K 
HF Energy-207.873483
Nuclear repulsion energy105.023099
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 B3PW91/cc-pVTZ
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' 3256 3131 0.48      
2 A' 3163 3042 4.42      
3 A' 3147 3026 4.47      
4 A' 1688 1623 4.88      
5 A' 1610 1548 127.72      
6 A' 1409 1355 24.50      
7 A' 1282 1233 1.98      
8 A' 1144 1100 73.44      
9 A' 892 858 31.14      
10 A' 615 592 1.24      
11 A' 346 333 1.37      
12 A" 1013 975 7.43      
13 A" 1007 969 46.64      
14 A" 686 659 1.00      
15 A" 178 172 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 10718.0 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 10306.4 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 B3PW91/cc-pVTZ
ABC
1.79088 0.17093 0.15604

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.204 1.212 0.000
C2 0.000 0.648 0.000
N3 -0.048 -0.774 0.000
O4 -1.170 -1.224 0.000
H5 2.086 0.583 0.000
H6 1.335 2.286 0.000
H7 -0.949 1.178 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.32952.34783.40121.08351.08172.1526
C21.32951.42282.20722.08662.11321.0867
N32.34781.42281.20882.52843.35802.1500
O43.40122.20721.20883.72314.31192.4119
H51.08352.08662.52843.72311.86133.0920
H61.08172.11323.35804.31191.86132.5381
H72.15261.08672.15002.41193.09202.5381

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.048 C1 C2 H7 125.677
C2 C1 H5 119.356 C2 C1 H6 122.090
C2 N3 O4 113.759 N3 C2 H7 117.275
H5 C1 H6 118.554
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.201      
2 C -0.012      
3 N 0.053      
4 O -0.200      
5 H 0.133      
6 H 0.135      
7 H 0.092      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.376 2.857 0.000 3.171
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.468 -0.024 0.000
y -0.024 -23.114 0.000
z 0.000 0.000 -23.488
Traceless
 xyz
x 0.833 -0.024 0.000
y -0.024 -0.137 0.000
z 0.000 0.000 -0.697
Polar
3z2-r2-1.394
x2-y20.647
xy-0.024
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.852 2.094 0.000
y 2.094 6.445 0.000
z 0.000 0.000 2.936


<r2> (average value of r2) Å2
<r2> 75.535
(<r2>)1/2 8.691