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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: BLYP/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 BLYP/aug-cc-pVTZ
 hartrees
Energy at 0K-169.829106
Energy at 298.15K-169.832733
HF Energy-169.829106
Nuclear repulsion energy69.651172
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 BLYP/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' 3048 3038 13.71      
2 A' 2941 2931 1.93      
3 A' 1535 1530 79.16      
4 A' 1412 1407 32.18      
5 A' 1316 1312 31.78      
6 A' 1103 1099 22.58      
7 A' 759 757 43.52      
8 A' 549 547 0.12      
9 A" 3013 3003 2.18      
10 A" 1408 1403 11.15      
11 A" 927 924 2.24      
12 A" 163 162 1.32      

Unscaled Zero Point Vibrational Energy (zpe) 9086.8 cm-1
Scaled (by 0.9966) Zero Point Vibrational Energy (zpe) 9055.9 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 BLYP/aug-cc-pVTZ
ABC
2.02752 0.37289 0.33466

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.958 -0.584 0.000
N2 0.000 0.573 0.000
O3 1.172 0.244 0.000
H4 -0.436 -1.547 0.000
H5 -1.597 -0.458 0.884
H6 -1.597 -0.458 -0.884

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.50202.28501.09581.09851.0985
N21.50201.21732.16492.09652.0965
O32.28501.21732.40732.99062.9906
H41.09582.16492.40731.82181.8218
H51.09852.09652.99061.82181.7680
H61.09852.09652.99061.82181.7680

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.938 N2 C1 H4 111.941
N2 C1 H5 106.417 N2 C1 H6 106.417
H4 C1 H5 112.247 H4 C1 H6 112.247
H5 C1 H6 107.172
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.424      
2 N -0.005      
3 O -0.314      
4 H 0.274      
5 H 0.234      
6 H 0.234      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.973 -1.357 0.000 2.395
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.799 0.462 0.000
y 0.462 -19.757 0.000
z 0.000 0.000 -17.100
Traceless
 xyz
x -0.370 0.462 0.000
y 0.462 -1.808 0.000
z 0.000 0.000 2.178
Polar
3z2-r24.355
x2-y20.959
xy0.462
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.711 0.517 0.000
y 0.517 4.532 0.000
z 0.000 0.000 3.488


<r2> (average value of r2) Å2
<r2> 42.571
(<r2>)1/2 6.525