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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: HSEh1PBE/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 HSEh1PBE/cc-pVDZ
 hartrees
Energy at 0K-169.630032
Energy at 298.15K-169.633744
HF Energy-169.630032
Nuclear repulsion energy70.660658
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 HSEh1PBE/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' 3173 3052 8.72      
2 A' 3040 2924 2.01      
3 A' 1739 1673 81.82      
4 A' 1421 1367 23.05      
5 A' 1340 1289 24.71      
6 A' 1149 1105 18.71      
7 A' 872 839 23.50      
8 A' 579 557 1.97      
9 A" 3147 3027 1.56      
10 A" 1421 1367 12.28      
11 A" 951 915 1.43      
12 A" 173 166 2.13      

Unscaled Zero Point Vibrational Energy (zpe) 9502.4 cm-1
Scaled (by 0.9619) Zero Point Vibrational Energy (zpe) 9140.4 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 HSEh1PBE/cc-pVDZ
ABC
2.05058 0.38733 0.34697

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.938 -0.569 0.000
N2 0.000 0.568 0.000
O3 1.150 0.234 0.000
H4 -0.408 -1.533 0.000
H5 -1.583 -0.451 0.885
H6 -1.583 -0.451 -0.885

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.47352.23731.10021.10161.1016
N21.47351.19782.13972.08042.0804
O32.23731.19782.35582.95392.9539
H41.10022.13972.35581.82601.8260
H51.10162.08042.95391.82601.7702
H61.10162.08042.95391.82601.7702

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.360 N2 C1 H4 111.661
N2 C1 H5 106.895 N2 C1 H6 106.895
H4 C1 H5 112.062 H4 C1 H6 112.062
H5 C1 H6 106.927
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.008      
2 N -0.014      
3 O -0.169      
4 H 0.046      
5 H 0.072      
6 H 0.072      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.924 -1.230 0.000 2.284
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.983 0.315 0.000
y 0.315 -18.851 0.000
z 0.000 0.000 -16.370
Traceless
 xyz
x -0.372 0.315 0.000
y 0.315 -1.674 0.000
z 0.000 0.000 2.047
Polar
3z2-r24.093
x2-y20.868
xy0.315
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.267 0.346 0.000
y 0.346 2.955 0.000
z 0.000 0.000 2.426


<r2> (average value of r2) Å2
<r2> 41.080
(<r2>)1/2 6.409