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All results from a given calculation for CH3CHNH (ethanimine)

using model chemistry: CCD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes CS NH down 1A'

Conformer 1 (CS NH up)

Jump to S1C2
Vibrational Frequencies calculated at CCD/TZVP
Rotational Constants (cm-1) from geometry optimized at CCD/TZVP
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/TZVP
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS NH down)

Jump to S1C1
Energy calculated at CCD/TZVP
 hartrees
Energy at 0K-133.616193
Energy at 298.15K-133.621656
HF Energy-133.119762
Nuclear repulsion energy70.942818
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 CCD/TZVP
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' 3460 3280 6.45      
2 A' 3163 2999 37.21      
3 A' 3137 2974 14.94      
4 A' 3070 2910 10.59      
5 A' 1755 1664 45.21      
6 A' 1514 1436 19.83      
7 A' 1472 1395 15.09      
8 A' 1438 1363 4.06      
9 A' 1308 1240 46.01      
10 A' 1091 1034 17.78      
11 A' 929 880 2.29      
12 A' 499 473 10.01      
13 A" 3144 2980 14.20      
14 A" 1496 1418 8.21      
15 A" 1174 1113 44.32      
16 A" 1095 1038 6.24      
17 A" 690 654 11.50      
18 A" 168 160 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 15300.2 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 14504.6 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 CCD/TZVP
ABC
1.68332 0.32872 0.28980

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.019 -0.621 0.000
C2 0.000 0.486 0.000
N3 1.265 0.373 0.000
H4 -0.536 -1.599 0.000
H5 -1.660 -0.544 0.881
H6 -1.660 -0.544 -0.881
H7 -0.401 1.499 0.000
H8 1.517 -0.617 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.50412.49081.09121.09231.09232.20832.5362
C21.50411.26982.15242.14282.14281.09041.8759
N32.49081.26982.67063.18953.18952.01091.0225
H41.09122.15242.67061.77611.77613.10142.2755
H51.09232.14283.18951.77611.76162.55633.2981
H61.09232.14283.18951.77611.76162.55633.2981
H72.20831.09042.01093.10142.55632.55632.8570
H82.53621.87591.02252.27553.29813.29812.8570

picture of ethanimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 127.576 C1 C2 H7 115.761
C2 C1 H4 111.066 C2 C1 H5 110.230
C2 C1 H6 110.230 C2 N3 H8 109.361
N3 C2 H7 116.663 H4 C1 H5 108.866
H4 C1 H6 108.866 H5 C1 H6 107.495
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability