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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: TPSSh/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 TPSSh/cc-pVTZ
 hartrees
Energy at 0K-169.864690
Energy at 298.15K-169.868379
HF Energy-169.864690
Nuclear repulsion energy70.340587
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 TPSSh/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' 3126 3027 14.18      
2 A' 3013 2917 2.30      
3 A' 1640 1588 76.41      
4 A' 1461 1415 27.27      
5 A' 1367 1323 20.49      
6 A' 1148 1112 20.71      
7 A' 820 794 28.13      
8 A' 559 541 1.14      
9 A" 3095 2997 4.39      
10 A" 1461 1415 9.74      
11 A" 956 926 2.48      
12 A" 172 166 1.37      

Unscaled Zero Point Vibrational Energy (zpe) 9408.5 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 9110.2 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 TPSSh/cc-pVTZ
ABC
2.04742 0.38195 0.34235

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.946 -0.576 0.000
N2 0.000 0.571 0.000
O3 1.158 0.238 0.000
H4 -0.420 -1.531 0.000
H5 -1.582 -0.457 0.881
H6 -1.582 -0.457 -0.881

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.48682.25631.09071.09321.0932
N21.48681.20472.14362.08222.0822
O32.25631.20472.37092.96112.9611
H41.09072.14362.37091.81181.8118
H51.09322.08222.96111.81181.7619
H61.09322.08222.96111.81181.7619

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.511 N2 C1 H4 111.617
N2 C1 H5 106.620 N2 C1 H6 106.620
H4 C1 H5 112.124 H4 C1 H6 112.124
H5 C1 H6 107.387
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.099      
2 N 0.043      
3 O -0.177      
4 H 0.064      
5 H 0.084      
6 H 0.084      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.931 -1.308 0.000 2.332
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.746 0.421 0.000
y 0.421 3.486 0.000
z 0.000 0.000 2.825


<r2> (average value of r2) Å2
<r2> 41.521
(<r2>)1/2 6.444