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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: LSDA/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 LSDA/cc-pVDZ
 hartrees
Energy at 0K-168.917977
Energy at 298.15K-168.921653
HF Energy-168.917977
Nuclear repulsion energy70.614387
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 LSDA/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' 3079 3045 8.74      
2 A' 2940 2907 1.92      
3 A' 1668 1650 78.81      
4 A' 1338 1323 26.06      
5 A' 1250 1237 47.60      
6 A' 1101 1088 18.97      
7 A' 857 847 31.84      
8 A' 559 553 1.78      
9 A" 3052 3019 0.27      
10 A" 1336 1321 15.04      
11 A" 895 885 0.55      
12 A" 183 181 4.00      

Unscaled Zero Point Vibrational Energy (zpe) 9128.6 cm-1
Scaled (by 0.989) Zero Point Vibrational Energy (zpe) 9028.2 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 LSDA/cc-pVDZ
ABC
2.03658 0.38971 0.34856

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.939 -0.551 0.000
N2 0.000 0.565 0.000
O3 1.155 0.215 0.000
H4 -0.413 -1.530 0.000
H5 -1.596 -0.419 0.887
H6 -1.596 -0.419 -0.887

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.45822.22921.11081.11191.1119
N21.45821.20632.13492.07432.0743
O32.22921.20632.34602.95912.9591
H41.11082.13492.34601.84921.8492
H51.11192.07432.95911.84921.7737
H61.11192.07432.95911.84921.7737

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.230 N2 C1 H4 111.701
N2 C1 H5 106.854 N2 C1 H6 106.854
H4 C1 H5 112.599 H4 C1 H6 112.599
H5 C1 H6 105.796
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.109      
2 N -0.012      
3 O -0.144      
4 H 0.063      
5 H 0.101      
6 H 0.101      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.985 -1.197 0.000 2.318
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.844 0.338 0.000
y 0.338 -19.043 0.000
z 0.000 0.000 -16.432
Traceless
 xyz
x -0.106 0.338 0.000
y 0.338 -1.905 0.000
z 0.000 0.000 2.011
Polar
3z2-r24.022
x2-y21.199
xy0.338
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.479 0.397 0.000
y 0.397 3.152 0.000
z 0.000 0.000 2.512


<r2> (average value of r2) Å2
<r2> 41.010
(<r2>)1/2 6.404