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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: B3LYP/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 B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-169.866215
Energy at 298.15K-169.869919
HF Energy-169.866215
Nuclear repulsion energy70.543676
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 B3LYP/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' 3125 3024 11.43      
2 A' 3018 2920 1.96      
3 A' 1655 1601 85.12      
4 A' 1453 1406 27.16      
5 A' 1371 1326 26.15      
6 A' 1152 1114 19.29      
7 A' 840 813 27.98      
8 A' 577 558 1.41      
9 A" 3095 2995 2.16      
10 A" 1450 1403 12.10      
11 A" 971 940 2.28      
12 A" 168 162 1.22      

Unscaled Zero Point Vibrational Energy (zpe) 9437.6 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 9130.8 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 B3LYP/aug-cc-pVTZ
ABC
2.07970 0.38268 0.34374

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.944 -0.576 0.000
N2 0.000 0.565 0.000
O3 1.156 0.243 0.000
H4 -0.423 -1.532 0.000
H5 -1.580 -0.456 0.879
H6 -1.580 -0.456 -0.879

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.48032.25411.08951.09171.0917
N21.48031.19982.13892.07632.0763
O32.25411.19982.37582.95772.9577
H41.08952.13892.37581.80861.8086
H51.09172.07632.95771.80861.7583
H61.09172.07632.95771.80861.7583

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 114.093 N2 C1 H4 111.780
N2 C1 H5 106.692 N2 C1 H6 106.692
H4 C1 H5 112.026 H4 C1 H6 112.026
H5 C1 H6 107.280
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.497      
2 N -0.008      
3 O -0.323      
4 H 0.307      
5 H 0.260      
6 H 0.260      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.024 -1.396 0.000 2.458
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.589 0.472 0.000
y 0.472 -19.476 0.000
z 0.000 0.000 -16.896
Traceless
 xyz
x -0.403 0.472 0.000
y 0.472 -1.733 0.000
z 0.000 0.000 2.136
Polar
3z2-r24.272
x2-y20.886
xy0.472
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.267 0.399 0.000
y 0.399 4.129 0.000
z 0.000 0.000 3.309


<r2> (average value of r2) Å2
<r2> 41.655
(<r2>)1/2 6.454