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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: B2PLYP=FULLultrafine/aug-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 B2PLYP=FULLultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-169.671163
Energy at 298.15K 
HF Energy-169.495627
Nuclear repulsion energy70.076679
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 B2PLYP=FULLultrafine/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3168 3049 10.02      
2 A' 3045 2930 2.22      
3 A' 1596 1535 59.09      
4 A' 1439 1385 26.28      
5 A' 1364 1313 23.59      
6 A' 1154 1111 17.43      
7 A' 871 838 20.99      
8 A' 574 553 1.83      
9 A" 3142 3023 2.76      
10 A" 1442 1388 11.78      
11 A" 972 935 2.70      
12 A" 162 156 1.12      

Unscaled Zero Point Vibrational Energy (zpe) 9464.3 cm-1
Scaled (by 0.9623) Zero Point Vibrational Energy (zpe) 9107.5 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 B2PLYP=FULLultrafine/aug-cc-pVDZ
ABC
2.02402 0.38083 0.34108

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.953 -0.564 0.000
N2 0.000 0.571 0.000
O3 1.165 0.224 0.000
H4 -0.426 -1.527 0.000
H5 -1.590 -0.439 0.887
H6 -1.590 -0.439 -0.887

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.48252.26041.09721.09891.0989
N21.48251.21612.14112.08192.0819
O32.26041.21612.36642.96932.9693
H41.09722.14112.36641.82301.8230
H51.09892.08192.96931.82301.7736
H61.09892.08192.96931.82301.7736

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.406 N2 C1 H4 111.318
N2 C1 H5 106.561 N2 C1 H6 106.561
H4 C1 H5 112.222 H4 C1 H6 112.222
H5 C1 H6 107.608
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability