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

using model chemistry: MP2=FULL/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 MP2=FULL/3-21G*
 hartrees
Energy at 0K-131.981886
Energy at 298.15K-131.985848
HF Energy-131.730008
Nuclear repulsion energy64.010942
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 MP2=FULL/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' 3199 3032 5.90      
2 A' 3102 2941 4.59      
3 A' 3042 2884 21.92      
4 A' 1879 1781 2.60      
5 A' 1583 1501 10.84      
6 A' 1477 1400 6.52      
7 A' 1340 1271 2.36      
8 A' 1096 1039 12.13      
9 A' 909 862 1.98      
10 A' 455 431 18.99      
11 A" 3176 3011 7.54      
12 A" 1588 1506 12.19      
13 A" 1196 1134 1.84      
14 A" 838 795 14.58      
15 A" 200 190 1.44      

Unscaled Zero Point Vibrational Energy (zpe) 12540.2 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 11888.1 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 MP2=FULL/3-21G*
ABC
1.92380 0.34328 0.30831

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.485 0.000
C2 -0.825 -0.803 0.000
N3 1.232 0.547 0.000
H4 -0.593 1.409 0.000
H5 -0.158 -1.668 0.000
H6 -1.461 -0.831 0.890
H7 -1.461 -0.831 -0.890

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.53011.23381.09812.15832.15852.1585
C21.53012.46142.22471.09181.09411.0941
N31.23382.46142.01862.61513.15393.1539
H41.09812.22472.01863.10732.56222.5622
H52.15831.09182.61513.10731.78591.7859
H62.15851.09413.15392.56221.78591.7801
H72.15851.09413.15392.56221.78591.7801

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 109.678 C1 C2 H6 109.563
C1 C2 H7 109.563 C2 C1 N3 125.547
C2 C1 H4 114.662 N3 C1 H4 119.791
H5 C2 H6 109.574 H5 C2 H7 109.574
H6 C2 H7 108.873
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability