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 CH2NH (Methanimine)

using model chemistry: PBE1PBE/aug-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 PBE1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-94.527109
Energy at 298.15K 
HF Energy-94.527109
Nuclear repulsion energy32.863611
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 PBE1PBE/aug-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' 3473 3340 0.96      
2 A' 3154 3033 27.62      
3 A' 3046 2929 46.07      
4 A' 1731 1664 23.27      
5 A' 1478 1422 6.68      
6 A' 1364 1311 40.38      
7 A' 1067 1026 33.13      
8 A" 1162 1118 47.55      
9 A" 1100 1058 16.16      

Unscaled Zero Point Vibrational Energy (zpe) 8788.0 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 8450.6 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 PBE1PBE/aug-cc-pVDZ
ABC
6.51322 1.16262 0.98653

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.056 0.585 0.000
N2 0.056 -0.684 0.000
H3 -0.850 1.212 0.000
H4 1.020 1.111 0.000
H5 -0.903 -1.043 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.26911.10211.09761.8893
N21.26912.10162.03741.0245
H31.10212.10161.87232.2550
H41.09762.03741.87232.8872
H51.88931.02452.25502.8872

picture of Methanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 110.470 N2 C1 H3 124.670
N2 C1 H4 118.650 H3 C1 H4 116.680
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.623      
2 N -0.269      
3 H -0.152      
4 H -0.221      
5 H 0.019      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.367 1.503 0.000 2.032
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.748 2.066 0.000
y 2.066 -12.849 0.000
z 0.000 0.000 -13.760
Traceless
 xyz
x 1.556 2.066 0.000
y 2.066 -0.095 0.000
z 0.000 0.000 -1.461
Polar
3z2-r2-2.923
x2-y21.101
xy2.066
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.251 0.110 0.000
y 0.110 4.348 0.000
z 0.000 0.000 2.495


<r2> (average value of r2) Å2
<r2> 19.725
(<r2>)1/2 4.441