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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: HF/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 HF/cc-pVDZ
 hartrees
Energy at 0K-168.845756
Energy at 298.15K-168.849579
HF Energy-168.845756
Nuclear repulsion energy71.653766
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 HF/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' 3307 3003 12.98      
2 A' 3190 2896 6.29      
3 A' 1977 1795 93.38      
4 A' 1562 1418 20.63      
5 A' 1510 1371 6.85      
6 A' 1271 1154 16.16      
7 A' 993 901 3.39      
8 A' 634 576 5.21      
9 A" 3283 2981 10.68      
10 A" 1563 1419 10.94      
11 A" 1077 978 3.90      
12 A" 173 157 0.83      

Unscaled Zero Point Vibrational Energy (zpe) 10269.4 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 9324.6 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 HF/cc-pVDZ
ABC
2.12784 0.39512 0.35524

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.923 -0.576 0.000
N2 0.000 0.559 0.000
O3 1.130 0.253 0.000
H4 -0.385 -1.523 0.000
H5 -1.558 -0.476 0.881
H6 -1.558 -0.476 -0.881

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.46292.21411.08931.09061.0906
N21.46291.17042.11702.06732.0673
O32.21411.17042.33402.92072.9207
H41.08932.11702.33401.80251.8025
H51.09062.06732.92071.80251.7629
H61.09062.06732.92071.80251.7629

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.985 N2 C1 H4 111.241
N2 C1 H5 107.210 N2 C1 H6 107.210
H4 C1 H5 111.555 H4 C1 H6 111.555
H5 C1 H6 107.843
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.063      
2 N -0.000      
3 O -0.225      
4 H 0.044      
5 H 0.059      
6 H 0.059      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.134 -1.376 0.000 2.539
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.455 0.319 0.000
y 0.319 -18.865 0.000
z 0.000 0.000 -16.491
Traceless
 xyz
x -0.776 0.319 0.000
y 0.319 -1.392 0.000
z 0.000 0.000 2.169
Polar
3z2-r24.337
x2-y20.411
xy0.319
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.007 0.199 0.000
y 0.199 2.636 0.000
z 0.000 0.000 2.318


<r2> (average value of r2) Å2
<r2> 40.544
(<r2>)1/2 6.367