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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: MP3=FULL/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 MP3=FULL/cc-pVDZ
 hartrees
Energy at 0K-169.352897
Energy at 298.15K-169.356614
HF Energy-168.843399
Nuclear repulsion energy70.439914
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 MP3=FULL/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' 3213 3021 9.17      
2 A' 3091 2906 3.29      
3 A' 1769 1663 43.25      
4 A' 1468 1381 15.97      
5 A' 1393 1310 13.25      
6 A' 1173 1103 15.68      
7 A' 908 854 11.83      
8 A' 597 561 2.39      
9 A" 3194 3003 5.88      
10 A" 1470 1382 9.27      
11 A" 986 927 2.96      
12 A" 153 144 1.21      

Unscaled Zero Point Vibrational Energy (zpe) 9706.8 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 9127.3 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 MP3=FULL/cc-pVDZ
ABC
2.01298 0.38618 0.34520

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.940 -0.573 0.000
N2 0.000 0.577 0.000
O3 1.150 0.233 0.000
H4 -0.398 -1.530 0.000
H5 -1.581 -0.468 0.890
H6 -1.581 -0.468 -0.890

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.48532.24051.10051.10161.1016
N21.48531.20082.14472.09402.0940
O32.24051.20082.34652.95722.9572
H41.10052.14472.34651.82211.8221
H51.10162.09402.95721.82211.7796
H61.10162.09402.95721.82211.7796

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 112.615 N2 C1 H4 111.200
N2 C1 H5 107.153 N2 C1 H6 107.153
H4 C1 H5 111.669 H4 C1 H6 111.669
H5 C1 H6 107.754
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability