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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: B2PLYP=FULLultrafine/3-21G

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/3-21G
 hartrees
Energy at 0K-168.627163
Energy at 298.15K 
HF Energy-168.505133
Nuclear repulsion energy67.953747
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/3-21G
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' 3196 3196 7.16      
2 A' 3081 3081 0.84      
3 A' 1545 1545 15.40      
4 A' 1415 1415 8.72      
5 A' 1254 1254 16.81      
6 A' 1117 1117 21.13      
7 A' 761 761 19.48      
8 A' 539 539 1.46      
9 A" 3165 3165 5.19      
10 A" 1545 1545 12.47      
11 A" 990 990 0.62      
12 A" 128 128 2.18      

Unscaled Zero Point Vibrational Energy (zpe) 9367.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9367.6 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/3-21G
ABC
1.82781 0.36437 0.32229

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.994 -0.555 0.000
N2 0.000 0.614 0.000
O3 1.206 0.177 0.000
H4 -0.446 -1.497 0.000
H5 -1.619 -0.442 0.889
H6 -1.619 -0.442 -0.889

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.53482.31841.08921.09201.0920
N21.53481.28262.15752.12702.1270
O32.31841.28262.35163.02483.0248
H41.08922.15752.35161.81021.8102
H51.09202.12703.02481.81021.7770
H61.09202.12703.02481.81021.7770

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 110.431 N2 C1 H4 109.442
N2 C1 H5 106.930 N2 C1 H6 106.930
H4 C1 H5 112.182 H4 C1 H6 112.182
H5 C1 H6 108.907
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability