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All results from a given calculation for CH3CHN (methylmethaniminyl radical)

using model chemistry: LSDA/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at LSDA/3-21G
 hartrees
Energy at 0K-131.814720
Energy at 298.15K-131.818551
HF Energy-131.814720
Nuclear repulsion energy63.749512
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 LSDA/3-21G
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' 3105 3054 2.42      
2 A' 2991 2942 1.91      
3 A' 2852 2805 16.84      
4 A' 1672 1645 0.68      
5 A' 1467 1443 16.05      
6 A' 1366 1344 17.60      
7 A' 1223 1203 1.84      
8 A' 1022 1005 11.32      
9 A' 909 894 3.79      
10 A' 402 396 14.21      
11 A" 3064 3014 2.11      
12 A" 1482 1457 18.84      
13 A" 1051 1033 0.09      
14 A" 747 735 23.49      
15 A" 195 192 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 11774.1 cm-1
Scaled (by 0.9836) Zero Point Vibrational Energy (zpe) 11581.0 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 LSDA/3-21G
ABC
1.90667 0.34312 0.30793

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.475 0.000
C2 -0.837 -0.777 0.000
N3 1.254 0.522 0.000
H4 -0.595 1.419 0.000
H5 -0.188 -1.666 0.000
H6 -1.486 -0.796 0.895
H7 -1.486 -0.796 -0.895

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.50631.25501.11572.14932.14982.1498
C21.50632.46232.20931.10101.10501.1050
N31.25502.46232.05492.62083.16913.1691
H41.11572.20932.05493.11162.54882.5488
H52.14931.10102.62083.11161.80081.8008
H62.14981.10503.16912.54881.80081.7894
H72.14981.10503.16912.54881.80081.7894

picture of methylmethaniminyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 110.075 C1 C2 H6 109.868
C1 C2 H7 109.868 C2 C1 N3 125.936
C2 C1 H4 114.002 N3 C1 H4 120.062
H5 C2 H6 109.438 H5 C2 H7 109.438
H6 C2 H7 108.124
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.025      
2 C -0.687      
3 N -0.273      
4 H 0.238      
5 H 0.251      
6 H 0.248      
7 H 0.248      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.713 -0.509 0.000 2.760
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.214 -1.221 0.000
y -1.221 -17.278 0.000
z 0.000 0.000 -18.720
Traceless
 xyz
x -3.215 -1.221 0.000
y -1.221 2.688 0.000
z 0.000 0.000 0.527
Polar
3z2-r21.053
x2-y2-3.936
xy-1.221
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.654 0.315 0.000
y 0.315 3.605 0.000
z 0.000 0.000 2.421


<r2> (average value of r2) Å2
<r2> 46.474
(<r2>)1/2 6.817