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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: BLYP/6-31G

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/6-31G
 hartrees
Energy at 0K-169.697967
Energy at 298.15K-169.701560
HF Energy-169.697967
Nuclear repulsion energy68.101808
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/6-31G
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' 3088 3064 16.09      
2 A' 2964 2942 1.40      
3 A' 1464 1453 6.54      
4 A' 1407 1396 34.07      
5 A' 1339 1329 48.55      
6 A' 1101 1093 22.55      
7 A' 730 724 37.36      
8 A' 528 524 0.25      
9 A" 3053 3030 5.52      
10 A" 1450 1439 13.96      
11 A" 947 940 0.57      
12 A" 163 162 3.13      

Unscaled Zero Point Vibrational Energy (zpe) 9116.7 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 9047.4 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 BLYP/6-31G
ABC
1.91952 0.35865 0.32059

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.988 -0.577 0.000
N2 0.000 0.592 0.000
O3 1.206 0.221 0.000
H4 -0.467 -1.547 0.000
H5 -1.626 -0.450 0.891
H6 -1.626 -0.450 -0.891

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.53092.33411.10051.10331.1033
N21.53091.26172.18942.12702.1270
O32.33411.26172.43323.04323.0432
H41.10052.18942.43321.82741.8274
H51.10332.12703.04321.82741.7824
H61.10332.12703.04321.82741.7824

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.047 N2 C1 H4 111.565
N2 C1 H5 106.560 N2 C1 H6 106.560
H4 C1 H5 112.035 H4 C1 H6 112.035
H5 C1 H6 107.752
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.296      
2 N 0.048      
3 O -0.249      
4 H 0.152      
5 H 0.173      
6 H 0.173      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.190 -1.469 0.000 2.637
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.460 0.423 0.000
y 0.423 -19.261 0.000
z 0.000 0.000 -16.564
Traceless
 xyz
x -0.547 0.423 0.000
y 0.423 -1.749 0.000
z 0.000 0.000 2.297
Polar
3z2-r24.593
x2-y20.801
xy0.423
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.467 0.383 0.000
y 0.383 2.795 0.000
z 0.000 0.000 2.308


<r2> (average value of r2) Å2
<r2> 43.520
(<r2>)1/2 6.597