return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for H2CNCH (methyleneaminomethylene)

using model chemistry: B2PLYP=FULL/TZVP

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=FULL/TZVP
 hartrees
Energy at 0K-132.593592
Energy at 298.15K-132.596081
HF Energy-132.424666
Nuclear repulsion energy61.146758
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=FULL/TZVP
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' 3178 3033 3.14      
2 A' 3138 2994 4.43      
3 A' 2011 1919 272.15      
4 A' 1510 1440 4.96      
5 A' 1223 1167 8.13      
6 A' 878 838 435.66      
7 A' 683 652 102.88      
8 A' 478 456 25.99      
9 A" 3290 3139 1.24      
10 A" 1153 1100 6.23      
11 A" 967 923 9.54      
12 A" 353 337 5.13      

Unscaled Zero Point Vibrational Energy (zpe) 9431.1 cm-1
Scaled (by 0.9542) Zero Point Vibrational Energy (zpe) 8999.1 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 B2PLYP=FULL/TZVP
ABC
6.63901 0.35294 0.34549

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.191 -1.165 0.000
N2 0.000 0.102 0.000
C3 -0.348 1.266 0.000
H4 0.267 -1.687 0.941
H5 0.267 -1.687 -0.941
H6 0.407 2.050 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6
C11.28102.48951.07891.07893.2221
N21.28101.21472.03912.03911.9902
C32.48951.21473.15973.15971.0886
H41.07892.03913.15971.88173.8567
H51.07892.03913.15971.88173.8567
H63.22211.99021.08863.85673.8567

picture of methyleneaminomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 171.941 N2 C1 H4 119.303
N2 C1 H5 119.303 N2 C3 H6 119.457
H4 C1 H5 121.392
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability