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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: MP3/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/cc-pVDZ
 hartrees
Energy at 0K-169.346430
Energy at 298.15K-169.350145
HF Energy-168.843254
Nuclear repulsion energy70.393444
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/cc-pVDZ
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' 3207 3040 9.33      
2 A' 3085 2924 3.36      
3 A' 1766 1674 43.38      
4 A' 1466 1390 15.80      
5 A' 1391 1319 13.01      
6 A' 1172 1111 15.77      
7 A' 906 858 11.88      
8 A' 596 565 2.37      
9 A" 3188 3022 6.09      
10 A" 1468 1391 9.15      
11 A" 984 933 3.01      
12 A" 153 145 1.20      

Unscaled Zero Point Vibrational Energy (zpe) 9690.0 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 9185.1 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/cc-pVDZ
ABC
2.00904 0.38573 0.34477

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.941 -0.573 0.000
N2 0.000 0.578 0.000
O3 1.151 0.233 0.000
H4 -0.397 -1.532 0.000
H5 -1.582 -0.469 0.891
H6 -1.582 -0.469 -0.891

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.48672.24171.10151.10261.1026
N21.48671.20132.14642.09582.0958
O32.24171.20132.34752.95902.9590
H41.10152.14642.34751.82381.8238
H51.10262.09582.95901.82381.7815
H61.10262.09582.95901.82381.7815

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 112.586 N2 C1 H4 111.180
N2 C1 H5 107.143 N2 C1 H6 107.143
H4 C1 H5 111.680 H4 C1 H6 111.680
H5 C1 H6 107.772
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability