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All results from a given calculation for CH3CHNH (ethanimine)

using model chemistry: MP4/6-311G**

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 MP4/6-311G**
 hartrees
Energy at 0K-133.630809
Energy at 298.15K-133.636264
HF Energy-133.108691
Nuclear repulsion energy70.479395
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 MP4/6-311G**
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' 3450 3346        
2 A' 3154 3059        
3 A' 3042 2950        
4 A' 3028 2936        
5 A' 1682 1631        
6 A' 1489 1444        
7 A' 1435 1391        
8 A' 1396 1353        
9 A' 1283 1244        
10 A' 1065 1033        
11 A' 931 903        
12 A' 483 468        
13 A" 3110 3016        
14 A" 1490 1445        
15 A" 1115 1081        
16 A" 1082 1049        
17 A" 675 655        
18 A" 188 182        

Unscaled Zero Point Vibrational Energy (zpe) 15048.7 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 14592.7 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 MP4/6-311G**
ABC
1.74745 0.32393 0.28804

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.043 -0.630 0.000
C2 0.000 0.457 0.000
N3 1.253 0.171 0.000
H4 -0.550 -1.607 0.000
H5 -1.687 -0.542 0.886
H6 -1.687 -0.542 -0.886
H7 -0.381 1.491 0.000
H8 1.792 1.042 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.50642.43181.09421.09821.09822.22133.2920
C21.50641.28542.13582.15082.15081.10181.8856
N32.43181.28542.53223.15183.15182.10081.0251
H41.09422.13582.53221.79141.79143.10203.5366
H51.09822.15083.15181.79141.77122.57273.9239
H61.09822.15083.15181.79141.77122.57273.9239
H72.22131.10182.10083.10202.57272.57272.2194
H83.29201.88561.02513.53663.92393.92392.2194

picture of ethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 120.965 C1 C2 H7 115.926
C2 C1 H4 109.406 C2 C1 H5 110.359
C2 C1 H6 110.359 C2 N3 H8 108.877
N3 C2 H7 123.108 H4 C1 H5 109.597
H4 C1 H6 109.597 H5 C1 H6 107.496
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS NH down)

Jump to S1C1
Energy calculated at MP4/6-311G**
 hartrees
Energy at 0K-133.629550
Energy at 298.15K-133.634953
HF Energy-133.107255
Nuclear repulsion energy70.403454
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 MP4/6-311G**
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' 3408 3305        
2 A' 3129 3034        
3 A' 3090 2996        
4 A' 3034 2942        
5 A' 1675 1624        
6 A' 1493 1448        
7 A' 1439 1395        
8 A' 1404 1361        
9 A' 1286 1247        
10 A' 1071 1038        
11 A' 910 883        
12 A' 480 466        
13 A" 3112 3018        
14 A" 1485 1440        
15 A" 1149 1114        
16 A" 1070 1037        
17 A" 674 653        
18 A" 157 152        

Unscaled Zero Point Vibrational Energy (zpe) 15031.8 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 14576.3 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 MP4/6-311G**
ABC
1.66612 0.32317 0.28513

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.030 -0.621 0.000
C2 0.000 0.487 0.000
N3 1.280 0.373 0.000
H4 -0.545 -1.605 0.000
H5 -1.674 -0.540 0.885
H6 -1.674 -0.540 -0.885
H7 -0.399 1.509 0.000
H8 1.514 -0.629 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.51272.51421.09701.09811.09812.22172.5435
C21.51271.28482.16232.15422.15421.09751.8804
N32.51421.28482.69153.21583.21582.02741.0283
H41.09702.16232.69151.78711.78713.11822.2791
H51.09812.15423.21581.78711.77072.57063.3098
H61.09812.15423.21581.78711.77072.57063.3098
H72.22171.09752.02743.11822.57062.57062.8688
H82.54351.88041.02832.27913.30983.30982.8688

picture of ethanimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 127.800 C1 C2 H7 115.769
C2 C1 H4 110.899 C2 C1 H5 110.194
C2 C1 H6 110.194 C2 N3 H8 108.260
N3 C2 H7 116.431 H4 C1 H5 109.003
H4 C1 H6 109.003 H5 C1 H6 107.468
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability