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All results from a given calculation for CH3CHNH (ethanimine)

using model chemistry: MP2=FULL/6-31+G**

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 MP2=FULL/6-31+G**
 hartrees
Energy at 0K-133.556324
Energy at 298.15K-133.561786
HF Energy-133.087477
Nuclear repulsion energy70.818205
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 MP2=FULL/6-31+G**
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' 3530 3316 1.54      
2 A' 3249 3051 7.55      
3 A' 3123 2933 29.17      
4 A' 3115 2926 36.38      
5 A' 1716 1611 52.36      
6 A' 1522 1430 14.75      
7 A' 1461 1372 11.55      
8 A' 1426 1340 10.41      
9 A' 1297 1218 27.08      
10 A' 1084 1018 32.37      
11 A' 956 897 4.64      
12 A' 494 464 18.94      
13 A" 3204 3009 11.52      
14 A" 1523 1430 10.55      
15 A" 1137 1068 0.68      
16 A" 1099 1032 18.29      
17 A" 691 649 64.12      
18 A" 175 165 2.21      

Unscaled Zero Point Vibrational Energy (zpe) 15400.5 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 14464.1 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 MP2=FULL/6-31+G**
ABC
1.77559 0.32652 0.29058

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.044 -0.615 0.000
C2 0.000 0.452 0.000
N3 1.251 0.159 0.000
H4 -0.571 -1.593 0.000
H5 -1.683 -0.519 0.878
H6 -1.683 -0.519 -0.878
H7 -0.362 1.484 0.000
H8 1.807 1.015 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.49262.42221.08631.09011.09012.20683.2848
C21.49261.28472.12232.13222.13221.09391.8933
N32.42221.28472.52713.13683.13682.08721.0212
H41.08632.12232.52711.77781.77783.08343.5293
H51.09012.13223.13681.77781.75612.55503.9127
H61.09012.13223.13681.77781.75612.55503.9127
H72.20681.09392.08723.08342.55502.55502.2195
H83.28481.89331.02123.52933.91273.91272.2195

picture of ethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 121.236 C1 C2 H7 116.277
C2 C1 H4 109.756 C2 C1 H5 110.323
C2 C1 H6 110.323 C2 N3 H8 109.862
N3 C2 H7 122.486 H4 C1 H5 109.540
H4 C1 H6 109.540 H5 C1 H6 107.321
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS NH down)

Jump to S1C1
Energy calculated at MP2=FULL/6-31+G**
 hartrees
Energy at 0K-133.554622
Energy at 298.15K-133.560065
HF Energy-133.085996
Nuclear repulsion energy70.752983
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 MP2=FULL/6-31+G**
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 3282 3.92      
2 A' 3227 3031 23.69      
3 A' 3192 2998 19.55      
4 A' 3116 2926 8.61      
5 A' 1708 1604 49.78      
6 A' 1528 1435 25.44      
7 A' 1459 1370 14.83      
8 A' 1440 1352 4.20      
9 A' 1293 1214 43.11      
10 A' 1091 1025 23.07      
11 A' 936 879 2.91      
12 A' 495 465 10.43      
13 A" 3209 3014 8.19      
14 A" 1517 1425 9.85      
15 A" 1168 1097 47.21      
16 A" 1091 1025 10.52      
17 A" 691 649 12.20      
18 A" 163 153 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 15409.4 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 14472.5 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 MP2=FULL/6-31+G**
ABC
1.68378 0.32646 0.28797

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.030 -0.607 0.000
C2 0.000 0.483 0.000
N3 1.278 0.357 0.000
H4 -0.562 -1.589 0.000
H5 -1.669 -0.520 0.878
H6 -1.669 -0.520 -0.878
H7 -0.383 1.502 0.000
H8 1.521 -0.637 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.49972.50091.08851.08981.08982.20602.5517
C21.49971.28382.14752.13652.13651.08841.8893
N32.50091.28382.67823.19773.19772.01681.0236
H41.08852.14752.67821.77251.77253.09682.2907
H51.08982.13653.19771.77251.75652.55263.3115
H61.08982.13653.19771.77251.75652.55263.3115
H72.20601.08842.01683.09682.55262.55262.8638
H82.55171.88931.02362.29073.31153.31152.8638

picture of ethanimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 127.744 C1 C2 H7 116.031
C2 C1 H4 111.145 C2 C1 H5 110.184
C2 C1 H6 110.184 C2 N3 H8 109.419
N3 C2 H7 116.225 H4 C1 H5 108.919
H4 C1 H6 108.919 H5 C1 H6 107.398
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability