return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for H2CNCH (methyleneaminomethylene)

using model chemistry: MP3=FULL/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-132.466928
Energy at 298.15K-132.469478
HF Energy-131.866852
Nuclear repulsion energy61.445060
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/6-311+G(3df,2p)
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' 3213 3213 3.40      
2 A' 3160 3160 0.76      
3 A' 2009 2009 395.79      
4 A' 1536 1536 1.79      
5 A' 1255 1255 12.94      
6 A' 872 872 513.72      
7 A' 754 754 80.45      
8 A' 497 497 56.01      
9 A" 3328 3328 0.57      
10 A" 1173 1173 8.91      
11 A" 990 990 11.26      
12 A" 361 361 4.01      

Unscaled Zero Point Vibrational Energy (zpe) 9573.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9573.7 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/6-311+G(3df,2p)
ABC
6.58171 0.35689 0.34951

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.077 -1.170 0.000
N2 0.000 0.101 0.000
C3 -0.219 1.290 0.000
H4 0.106 -1.694 0.940
H5 0.106 -1.694 -0.940
H6 0.636 1.963 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6
C11.27332.47841.07621.07623.1825
N21.27331.20962.02882.02881.9678
C32.47841.20963.14593.14591.0877
H41.07622.02883.14591.87913.8128
H51.07622.02883.14591.87913.8128
H63.18251.96781.08773.81283.8128

picture of methyleneaminomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 173.060 N2 C1 H4 119.188
N2 C1 H5 119.188 N2 C3 H6 117.764
H4 C1 H5 121.623
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability