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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: B1B95/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-311G*
 hartrees
Energy at 0K-169.766792
Energy at 298.15K-169.770504
HF Energy-169.766792
Nuclear repulsion energy70.889283
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 B1B95/6-311G*
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' 3169 3038 14.28      
2 A' 3052 2925 3.04      
3 A' 1734 1662 84.59      
4 A' 1474 1413 27.51      
5 A' 1386 1329 30.00      
6 A' 1174 1125 18.67      
7 A' 870 834 22.82      
8 A' 588 563 1.74      
9 A" 3144 3014 5.42      
10 A" 1466 1406 14.26      
11 A" 982 942 2.38      
12 A" 164 157 1.79      

Unscaled Zero Point Vibrational Energy (zpe) 9601.5 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 9204.0 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 B1B95/6-311G*
ABC
2.07474 0.38847 0.34826

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.937 -0.571 0.000
N2 0.000 0.566 0.000
O3 1.147 0.237 0.000
H4 -0.410 -1.524 0.000
H5 -1.574 -0.457 0.879
H6 -1.574 -0.457 -0.879

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.47312.23551.08951.09121.0912
N21.47311.19362.12972.07262.0726
O32.23551.19362.35062.94262.9426
H41.08952.12972.35061.80711.8071
H51.09122.07262.94261.80711.7579
H61.09122.07262.94261.80711.7579

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.510 N2 C1 H4 111.537
N2 C1 H5 106.907 N2 C1 H6 106.907
H4 C1 H5 111.932 H4 C1 H6 111.932
H5 C1 H6 107.320
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.563      
2 N 0.048      
3 O -0.196      
4 H 0.223      
5 H 0.245      
6 H 0.245      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.983 -1.319 0.000 2.382
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.243 0.340 0.000
y 0.340 -19.052 0.000
z 0.000 0.000 -16.481
Traceless
 xyz
x -0.476 0.340 0.000
y 0.340 -1.690 0.000
z 0.000 0.000 2.166
Polar
3z2-r24.332
x2-y20.809
xy0.340
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.329 0.321 0.000
y 0.321 3.036 0.000
z 0.000 0.000 2.486


<r2> (average value of r2) Å2
<r2> 41.049
(<r2>)1/2 6.407