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

using model chemistry: QCISD/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at QCISD/6-31G**
 hartrees
Energy at 0K-132.924165
Energy at 298.15K-132.928038
HF Energy-132.481772
Nuclear repulsion energy63.833705
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 QCISD/6-31G**
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' 3226 3037 10.29      
2 A' 3116 2934 8.94      
3 A' 3088 2907 22.00      
4 A' 1747 1644 0.32      
5 A' 1538 1447 6.48      
6 A' 1449 1364 1.87      
7 A' 1291 1215 1.48      
8 A' 1095 1031 9.54      
9 A' 943 888 1.27      
10 A' 438 413 17.77      
11 A" 3196 3008 14.31      
12 A" 1539 1448 6.89      
13 A" 1101 1037 0.86      
14 A" 758 714 8.19      
15 A" 176 166 1.69      

Unscaled Zero Point Vibrational Energy (zpe) 12349.4 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 11625.7 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 QCISD/6-31G**
ABC
1.87486 0.34583 0.30878

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.489 0.000
C2 -0.851 -0.762 0.000
N3 1.262 0.484 0.000
H4 -0.523 1.452 0.000
H5 -0.219 -1.647 0.000
H6 -1.491 -0.776 0.883
H7 -1.491 -0.776 -0.883

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.51311.26201.09592.14692.14582.1458
C21.51312.45322.23791.08771.09051.0905
N31.26202.45322.03072.59493.15413.1541
H41.09592.23792.03073.11362.58492.5849
H52.14691.08772.59493.11361.77651.7765
H62.14581.09053.15412.58491.77651.7658
H72.14581.09053.15412.58491.77651.7658

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 110.205 C1 C2 H6 109.951
C1 C2 H7 109.951 C2 C1 N3 124.018
C2 C1 H4 117.236 N3 C1 H4 118.746
H5 C2 H6 109.288 H5 C2 H7 109.288
H6 C2 H7 108.123
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability