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: PBEPBE/daug-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 PBEPBE/daug-cc-pVDZ
 hartrees
Energy at 0K-94.522356
Energy at 298.15K 
HF Energy-94.522356
Nuclear repulsion energy32.566624
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 PBEPBE/daug-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' 3329 3329 2.81      
2 A' 3052 3052 31.57      
3 A' 2941 2941 58.15      
4 A' 1652 1652 19.92      
5 A' 1431 1431 4.00      
6 A' 1321 1321 37.92      
7 A' 1034 1034 31.61      
8 A" 1123 1123 43.11      
9 A" 1054 1054 15.81      

Unscaled Zero Point Vibrational Energy (zpe) 8468.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8468.3 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 PBEPBE/daug-cc-pVDZ
ABC
6.40747 1.14113 0.96862

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.057 0.590 0.000
N2 0.057 -0.691 0.000
H3 -0.852 1.228 0.000
H4 1.028 1.117 0.000
H5 -0.915 -1.048 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.28141.11031.10521.9047
N21.28142.12322.05301.0351
H31.11032.12321.88372.2764
H41.10522.05301.88372.9094
H51.90471.03512.27642.9094

picture of Methanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 110.162 N2 C1 H3 125.030
N2 C1 H4 118.494 H3 C1 H4 116.476
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.787      
2 N 0.145      
3 H -0.482      
4 H -0.422      
5 H -0.028      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.313 1.441 0.000 1.949
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.952 2.042 0.000
y 2.042 -13.073 0.000
z 0.000 0.000 -13.851
Traceless
 xyz
x 1.510 2.042 0.000
y 2.042 -0.172 0.000
z 0.000 0.000 -1.338
Polar
3z2-r2-2.677
x2-y21.121
xy2.042
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.534 0.088 0.000
y 0.088 4.592 0.000
z 0.000 0.000 2.674


<r2> (average value of r2) Å2
<r2> 20.045
(<r2>)1/2 4.477