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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: PBEPBEultrafine/aug-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 PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-169.674742
Energy at 298.15K-169.678385
HF Energy-169.674742
Nuclear repulsion energy70.019626
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 PBEPBEultrafine/aug-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' 3063 3029 12.04      
2 A' 2946 2913 1.68      
3 A' 1577 1559 87.26      
4 A' 1393 1377 29.32      
5 A' 1297 1283 37.07      
6 A' 1103 1090 22.00      
7 A' 795 786 43.00      
8 A' 553 547 0.47      
9 A" 3030 2996 0.69      
10 A" 1388 1372 12.67      
11 A" 913 903 1.62      
12 A" 167 165 1.66      

Unscaled Zero Point Vibrational Energy (zpe) 9112.0 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 9009.9 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
2.04186 0.37815 0.33926

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.951 -0.575 0.000
N2 0.000 0.569 0.000
O3 1.166 0.238 0.000
H4 -0.434 -1.544 0.000
H5 -1.595 -0.445 0.883
H6 -1.595 -0.445 -0.883

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.48702.26741.09821.10081.1008
N21.48701.21202.15632.08592.0859
O32.26741.21202.39432.97802.9780
H41.09822.15632.39431.82631.8263
H51.10082.08592.97801.82631.7666
H61.10082.08592.97801.82631.7666

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.910 N2 C1 H4 112.166
N2 C1 H5 106.460 N2 C1 H6 106.460
H4 C1 H5 112.304 H4 C1 H6 112.304
H5 C1 H6 106.719
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.460      
2 N -0.003      
3 O -0.310      
4 H 0.284      
5 H 0.244      
6 H 0.244      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.968 -1.352 0.000 2.387
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.562 0.467 0.000
y 0.467 -19.628 0.000
z 0.000 0.000 -16.962
Traceless
 xyz
x -0.267 0.467 0.000
y 0.467 -1.866 0.000
z 0.000 0.000 2.133
Polar
3z2-r24.267
x2-y21.066
xy0.467
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.657 0.495 0.000
y 0.495 4.497 0.000
z 0.000 0.000 3.462


<r2> (average value of r2) Å2
<r2> 42.094
(<r2>)1/2 6.488