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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: HF/daug-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 HF/daug-cc-pVTZ
 hartrees
Energy at 0K-168.899215
Energy at 298.15K-168.903039
HF Energy-168.899215
Nuclear repulsion energy71.821328
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 HF/daug-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' 3272 2959 15.21      
2 A' 3171 2869 6.93      
3 A' 1936 1751 100.69      
4 A' 1582 1431 22.60      
5 A' 1530 1384 7.04      
6 A' 1278 1156 15.34      
7 A' 986 892 3.59      
8 A' 632 572 5.17      
9 A" 3246 2936 10.41      
10 A" 1582 1431 11.07      
11 A" 1090 986 4.19      
12 A" 175 159 0.56      

Unscaled Zero Point Vibrational Energy (zpe) 10239.9 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 9263.0 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 HF/daug-cc-pVTZ
ABC
2.16333 0.39468 0.35553

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.923 -0.580 0.000
N2 0.000 0.554 0.000
O3 1.129 0.260 0.000
H4 -0.390 -1.520 0.000
H5 -1.552 -0.480 0.875
H6 -1.552 -0.480 -0.875

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.46192.21671.08081.08271.0827
N21.46191.16682.11082.06022.0602
O32.21671.16682.34002.91562.9156
H41.08082.11082.34001.78831.7883
H51.08272.06022.91561.78831.7506
H61.08272.06022.91561.78831.7506

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 114.510 N2 C1 H4 111.346
N2 C1 H5 107.180 N2 C1 H6 107.180
H4 C1 H5 111.505 H4 C1 H6 111.505
H5 C1 H6 107.898
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -1.056      
2 N -0.378      
3 O -0.575      
4 H 0.784      
5 H 0.612      
6 H 0.612      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.108 -1.451 0.000 2.559
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.512 0.429 0.000
y 0.429 -19.080 0.000
z 0.000 0.000 -16.717
Traceless
 xyz
x -0.613 0.429 0.000
y 0.429 -1.466 0.000
z 0.000 0.000 2.079
Polar
3z2-r24.158
x2-y20.568
xy0.429
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.650 0.241 0.000
y 0.241 3.499 0.000
z 0.000 0.000 3.037


<r2> (average value of r2) Å2
<r2> 40.591
(<r2>)1/2 6.371