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All results from a given calculation for CH3NH2 (methyl amine)

using model chemistry: QCISD/daug-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 QCISD/daug-cc-pVDZ
 hartrees
Energy at 0K-95.605040
Energy at 298.15K 
HF Energy-95.230308
Nuclear repulsion energy41.676819
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/daug-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' 3495 3495 1.77      
2 A' 3083 3083 34.74      
3 A' 3001 3001 73.68      
4 A' 1661 1661 19.17      
5 A' 1492 1492 5.22      
6 A' 1447 1447 2.72      
7 A' 1177 1177 8.23      
8 A' 1069 1069 10.64      
9 A' 863 863 120.31      
10 A" 3579 3579 0.37      
11 A" 3118 3118 31.52      
12 A" 1510 1510 3.16      
13 A" 1351 1351 0.06      
14 A" 971 971 0.07      
15 A" 301 301 30.98      

Unscaled Zero Point Vibrational Energy (zpe) 14058.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14058.4 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/daug-cc-pVDZ
ABC
3.39092 0.74881 0.72075

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.052 0.710 0.000
N2 0.052 -0.765 0.000
H3 -0.953 1.176 0.000
H4 0.597 1.070 0.888
H5 0.597 1.070 -0.888
H6 -0.458 -1.111 -0.813
H7 -0.458 -1.111 0.813

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.47531.10811.10231.10232.05882.0588
N21.47532.18632.11002.11001.02051.0205
H31.10812.18631.78971.78972.47762.4776
H41.10232.11001.78971.77682.96042.4236
H51.10232.11001.78971.77682.42362.9604
H62.05881.02052.47762.96042.42361.6265
H72.05881.02052.47762.42362.96041.6265

picture of methyl amine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H6 109.819 C1 N2 H7 109.819
N2 C1 H3 114.877 N2 C1 H4 109.032
N2 C1 H5 109.032 H3 C1 H4 108.124
H3 C1 H5 108.124 H4 C1 H5 107.399
H6 N2 H7 105.675
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability