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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: QCISD/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 QCISD/6-311G**
 hartrees
Energy at 0K-169.414919
Energy at 298.15K-169.418597
HF Energy-168.872147
Nuclear repulsion energy70.263957
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 QCISD/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' 3168 3023 11.30      
2 A' 3057 2916 4.49      
3 A' 1672 1595 55.38      
4 A' 1482 1414 18.90      
5 A' 1408 1344 15.14      
6 A' 1172 1119 18.32      
7 A' 880 839 13.17      
8 A' 588 561 1.73      
9 A" 3152 3007 8.08      
10 A" 1485 1417 9.65      
11 A" 996 950 5.02      
12 A" 135 129 0.91      

Unscaled Zero Point Vibrational Energy (zpe) 9597.0 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 9156.5 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 QCISD/6-311G**
ABC
2.01647 0.38284 0.34253

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.947 -0.575 0.000
N2 0.000 0.577 0.000
O3 1.156 0.234 0.000
H4 -0.404 -1.525 0.000
H5 -1.579 -0.468 0.888
H6 -1.579 -0.468 -0.888

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.49202.25341.09401.09491.0949
N21.49201.20572.14062.09122.0912
O32.25341.20572.35072.95952.9595
H41.09402.14062.35071.81291.8129
H51.09492.09122.95951.81291.7758
H61.09492.09122.95951.81291.7758

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 112.863 N2 C1 H4 110.803
N2 C1 H5 106.870 N2 C1 H6 106.870
H4 C1 H5 111.834 H4 C1 H6 111.834
H5 C1 H6 108.375
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability