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 CHNH2 (aminomethylene)

using model chemistry: B1B95/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 B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-94.540326
Energy at 298.15K-94.543243
HF Energy-94.540326
Nuclear repulsion energy32.860068
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 B1B95/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' 3591 3440 22.18 94.49 0.70 0.82
2 A' 3430 3286 11.37 351.90 0.23 0.38
3 A' 2949 2825 101.10 171.84 0.50 0.67
4 A' 1688 1617 18.69 16.49 0.62 0.77
5 A' 1456 1395 12.78 10.37 0.21 0.35
6 A' 1379 1321 15.82 9.27 0.13 0.23
7 A' 1068 1023 22.47 10.22 0.30 0.46
8 A" 1152 1103 11.46 0.43 0.75 0.86
9 A" 819 785 148.73 0.39 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8765.5 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 8396.5 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 B1B95/aug-cc-pVDZ
ABC
6.79229 1.13515 0.97260

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.063 0.786 0.000
N2 0.063 -0.523 0.000
H3 -1.008 1.093 0.000
H4 -0.758 -1.128 0.000
H5 0.945 -1.020 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.30941.11422.08252.0104
N21.30941.93921.01941.0126
H31.11421.93922.23522.8779
H42.08251.01942.23521.7064
H52.01041.01262.87791.7064

picture of aminomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 126.371 C1 N2 H5 119.398
N2 C1 H3 106.004 H4 N2 H5 114.231
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.043      
2 N 0.216      
3 H -0.197      
4 H -0.071      
5 H 0.010      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.311 -3.239 0.000 3.494
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.291 -2.337 0.000
y -2.337 -13.771 0.000
z 0.000 0.000 -14.053
Traceless
 xyz
x 1.621 -2.337 0.000
y -2.337 -0.599 0.000
z 0.000 0.000 -1.022
Polar
3z2-r2-2.044
x2-y21.481
xy-2.337
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.758 0.080 0.000
y 0.080 4.757 0.000
z 0.000 0.000 2.869


<r2> (average value of r2) Å2
<r2> 20.020
(<r2>)1/2 4.474