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All results from a given calculation for CH3CHNH (ethanimine)

using model chemistry: CID/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS NH up 1A'
1 2 no CS NH down 1A'

Conformer 1 (CS NH up)

Jump to S1C2
Energy calculated at CID/3-21G
 hartrees
Energy at 0K-132.609810
Energy at 298.15K-132.615340
HF Energy-132.321734
Nuclear repulsion energy70.466253
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 CID/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' 3373 3142 12.49      
2 A' 3201 2982 10.72      
3 A' 3101 2889 10.98      
4 A' 3078 2867 50.02      
5 A' 1747 1627 21.16      
6 A' 1588 1479 7.48      
7 A' 1500 1397 16.29      
8 A' 1482 1381 28.27      
9 A' 1336 1245 59.51      
10 A' 1113 1037 24.96      
11 A' 929 865 10.87      
12 A' 502 468 17.96      
13 A" 3152 2937 17.20      
14 A" 1594 1485 10.31      
15 A" 1186 1105 4.31      
16 A" 1153 1074 12.20      
17 A" 721 672 74.73      
18 A" 193 179 1.52      

Unscaled Zero Point Vibrational Energy (zpe) 15473.4 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 14415.0 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 CID/3-21G
ABC
1.76268 0.32234 0.28721

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.046 -0.635 0.000
C2 0.000 0.461 0.000
N3 1.248 0.180 0.000
H4 -0.537 -1.599 0.000
H5 -1.684 -0.557 0.886
H6 -1.684 -0.557 -0.886
H7 -0.400 1.480 0.000
H8 1.849 1.017 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.51472.43421.09081.09491.09492.21123.3333
C21.51471.27892.12862.15842.15841.09491.9311
N32.43421.27892.51973.15063.15062.09861.0306
H41.09082.12862.51971.78571.78573.08223.5406
H51.09492.15843.15061.78571.77252.56623.9686
H61.09492.15843.15061.78571.77252.56623.9686
H72.21121.09492.09863.08222.56622.56622.2963
H83.33331.93111.03063.54063.96863.96862.2963

picture of ethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 121.006 C1 C2 H7 114.897
C2 C1 H4 108.468 C2 C1 H5 110.573
C2 C1 H6 110.573 C2 N3 H8 113.033
N3 C2 H7 124.097 H4 C1 H5 109.568
H4 C1 H6 109.568 H5 C1 H6 108.079
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS NH down)

Jump to S1C1
Energy calculated at CID/3-21G
 hartrees
Energy at 0K-132.609455
Energy at 298.15K-132.614931
HF Energy-132.321304
Nuclear repulsion energy70.313211
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 CID/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' 3328 3100 18.60      
2 A' 3175 2958 43.16      
3 A' 3155 2940 5.33      
4 A' 3094 2882 8.01      
5 A' 1730 1612 16.78      
6 A' 1590 1481 21.24      
7 A' 1498 1395 12.58      
8 A' 1489 1387 23.15      
9 A' 1343 1251 95.89      
10 A' 1109 1033 25.93      
11 A' 910 848 1.66      
12 A' 502 467 8.52      
13 A" 3156 2940 12.34      
14 A" 1587 1478 9.10      
15 A" 1203 1121 53.82      
16 A" 1151 1072 11.55      
17 A" 728 678 9.28      
18 A" 157 147 1.26      

Unscaled Zero Point Vibrational Energy (zpe) 15452.4 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 14395.4 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 CID/3-21G
ABC
1.67269 0.32061 0.28333

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.035 -0.628 0.000
C2 0.000 0.487 0.000
N3 1.274 0.381 0.000
H4 -0.548 -1.608 0.000
H5 -1.674 -0.552 0.885
H6 -1.674 -0.552 -0.885
H7 -0.411 1.495 0.000
H8 1.596 -0.602 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.52142.52041.09431.09481.09482.21282.6315
C21.52141.27892.16532.16022.16021.08851.9324
N32.52041.27892.69763.21723.21722.02031.0344
H41.09432.16532.69761.78021.78023.10592.3684
H51.09482.16023.21721.78021.77072.56293.3889
H61.09482.16023.21721.78021.77072.56293.3889
H72.21281.08852.02033.10592.56292.56292.9028
H82.63151.93241.03442.36843.38893.38892.9028

picture of ethanimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 128.120 C1 C2 H7 114.948
C2 C1 H4 110.691 C2 C1 H5 110.253
C2 C1 H6 110.253 C2 N3 H8 112.881
N3 C2 H7 116.932 H4 C1 H5 108.821
H4 C1 H6 108.821 H5 C1 H6 107.937
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability