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All results from a given calculation for CH2NCH3 (N-methylmethanimine)

using model chemistry: CISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/6-31G*
 hartrees
Energy at 0K-133.461006
Energy at 298.15K-133.466585
HF Energy-133.060764
Nuclear repulsion energy72.268269
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 CISD/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' 3270 3027 33.97      
2 A' 3192 2955 30.00      
3 A' 3136 2903 45.69      
4 A' 3098 2868 41.59      
5 A' 1829 1694 23.59      
6 A' 1591 1473 19.41      
7 A' 1561 1445 0.38      
8 A' 1524 1411 2.79      
9 A' 1309 1212 14.02      
10 A' 1179 1091 0.84      
11 A' 1023 947 12.58      
12 A' 505 467 5.83      
13 A" 3217 2978 21.39      
14 A" 1564 1448 3.50      
15 A" 1196 1108 0.79      
16 A" 1112 1030 18.80      
17 A" 724 670 0.79      
18 A" 218 201 8.16      

Unscaled Zero Point Vibrational Energy (zpe) 15623.4 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 14464.2 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 CISD/6-31G*
ABC
1.77056 0.35770 0.31490

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.073 -0.419 0.000
N2 0.000 0.559 0.000
C3 1.184 0.117 0.000
H4 -0.721 -1.458 0.000
H5 -1.697 -0.255 0.879
H6 -1.697 -0.255 -0.879
H7 1.438 -0.947 0.000
H8 2.013 0.819 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 H7 H8
C11.45202.32031.09651.09061.09062.56623.3251
N21.45201.26382.14172.07732.07732.08232.0295
C32.32031.26382.47223.03543.03541.09441.0858
H41.09652.14172.47221.78131.78132.21903.5580
H51.09062.07733.03541.78131.75833.32913.9610
H61.09062.07733.03541.78131.75833.32913.9610
H72.56622.08231.09442.21903.32913.32911.8573
H83.32512.02951.08583.55803.96103.96101.8573

picture of N-methylmethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 117.212 N2 C1 H4 113.628
N2 C1 H5 108.738 N2 C1 H6 108.738
N2 C3 H7 123.863 N2 C3 H8 119.293
H4 C1 H5 109.063 H4 C1 H6 109.063
H5 C1 H6 107.431 H7 C3 H8 116.844
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability