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All results from a given calculation for CH3CHNH (ethanimine)

using model chemistry: CCD/6-31G**

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 CCD/6-31G**
 hartrees
Energy at 0K-133.561893
Energy at 298.15K-133.567378
HF Energy-133.083006
Nuclear repulsion energy70.846939
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/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3530 3309 4.92      
2 A' 3237 3035 12.39      
3 A' 3122 2927 35.11      
4 A' 3112 2918 31.31      
5 A' 1781 1670 39.50      
6 A' 1540 1444 6.82      
7 A' 1490 1397 18.67      
8 A' 1449 1359 6.33      
9 A' 1317 1235 33.60      
10 A' 1096 1028 26.29      
11 A' 958 898 5.00      
12 A' 496 465 16.91      
13 A" 3189 2990 19.58      
14 A" 1542 1445 6.60      
15 A" 1157 1085 6.49      
16 A" 1115 1046 14.91      
17 A" 697 653 52.35      
18 A" 182 171 1.83      

Unscaled Zero Point Vibrational Energy (zpe) 15504.3 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 14536.9 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/6-31G**
ABC
1.77530 0.32652 0.29062

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.038 -0.629 0.000
C2 0.000 0.454 0.000
N3 1.246 0.175 0.000
H4 -0.550 -1.601 0.000
H5 -1.678 -0.545 0.879
H6 -1.678 -0.545 -0.879
H7 -0.381 1.480 0.000
H8 1.792 1.038 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.50002.42101.08721.09131.09132.20893.2843
C21.50001.27672.12782.14182.14181.09431.8848
N32.42101.27672.52653.13723.13722.08541.0210
H41.08722.12782.52651.77801.77803.08583.5289
H51.09132.14183.13721.77801.75892.56033.9143
H61.09132.14183.13721.77801.75892.56033.9143
H72.20891.09432.08543.08582.56032.56032.2177
H83.28431.88481.02103.52893.91433.91432.2177

picture of ethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 121.150 C1 C2 H7 115.856
C2 C1 H4 109.622 C2 C1 H5 110.495
C2 C1 H6 110.495 C2 N3 H8 109.733
N3 C2 H7 122.994 H4 C1 H5 109.403
H4 C1 H6 109.403 H5 C1 H6 107.384
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS NH down)

Jump to S1C1
Energy calculated at CCD/6-31G**
 hartrees
Energy at 0K-133.560916
Energy at 298.15K-133.566376
HF Energy-133.081965
Nuclear repulsion energy70.783441
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/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3492 3274 8.85      
2 A' 3211 3011 30.96      
3 A' 3178 2979 23.65      
4 A' 3112 2918 10.01      
5 A' 1778 1667 39.47      
6 A' 1546 1449 17.22      
7 A' 1476 1384 19.62      
8 A' 1456 1365 4.49      
9 A' 1321 1239 51.79      
10 A' 1100 1031 21.17      
11 A' 942 884 1.97      
12 A' 502 471 8.81      
13 A" 3192 2993 15.17      
14 A" 1535 1439 6.09      
15 A" 1181 1108 44.59      
16 A" 1110 1041 9.12      
17 A" 701 657 11.96      
18 A" 162 152 0.49      

Unscaled Zero Point Vibrational Energy (zpe) 15498.5 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 14531.4 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 CCD/6-31G**
ABC
1.68454 0.32648 0.28803

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.024 -0.618 0.000
C2 0.000 0.485 0.000
N3 1.271 0.371 0.000
H4 -0.547 -1.598 0.000
H5 -1.666 -0.540 0.879
H6 -1.666 -0.540 -0.879
H7 -0.399 1.500 0.000
H8 1.528 -0.620 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.50542.49951.08981.09111.09112.20822.5520
C21.50541.27612.15322.14492.14491.09001.8853
N32.49951.27612.67963.19863.19862.01511.0237
H41.08982.15322.67961.77301.77303.10072.2933
H51.09112.14493.19861.77301.75792.55763.3136
H61.09112.14493.19861.77301.75792.55763.3136
H72.20821.09002.01513.10072.55762.55762.8639
H82.55201.88531.02372.29333.31363.31362.8639

picture of ethanimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 127.763 C1 C2 H7 115.668
C2 C1 H4 111.121 C2 C1 H5 110.374
C2 C1 H6 110.374 C2 N3 H8 109.636
N3 C2 H7 116.569 H4 C1 H5 108.772
H4 C1 H6 108.772 H5 C1 H6 107.327
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability