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All results from a given calculation for CH3CHNH (ethanimine)

using model chemistry: CBS-Q

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 CBS-Q
 hartrees
Energy at 0K-133.698472
Energy at 298.15K-133.693577
HF Energy-133.072779
Nuclear repulsion energy71.351285
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 CBS-Q
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' 3730 3730 1.18      
2 A' 3304 3304 19.15      
3 A' 3213 3213 62.44      
4 A' 3184 3184 20.50      
5 A' 1917 1917 92.98      
6 A' 1609 1609 8.54      
7 A' 1579 1579 36.55      
8 A' 1526 1526 7.07      
9 A' 1381 1381 29.45      
10 A' 1152 1152 26.49      
11 A' 983 983 5.72      
12 A' 520 520 20.48      
13 A" 3242 3242 29.58      
14 A" 1614 1614 7.15      
15 A" 1251 1251 11.36      
16 A" 1178 1178 20.31      
17 A" 741 741 58.41      
18 A" 199 199 3.07      

Unscaled Zero Point Vibrational Energy (zpe) 16160.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16160.8 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 CBS-Q
ABC
1.74901 0.32544 0.28921

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.020 -0.654 0.000
C2 0.000 0.448 0.000
N3 1.230 0.212 0.000
H4 -0.526 -1.619 0.000
H5 -1.662 -0.577 0.877
H6 -1.662 -0.577 -0.877
H7 -0.403 1.461 0.000
H8 1.765 1.062 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.50192.41151.08431.08941.08942.20353.2715
C21.50191.25252.13262.14092.14091.09011.8686
N32.41151.25252.53683.12393.12392.05541.0040
H41.08432.13262.53681.77381.77383.08233.5260
H51.08942.14093.12391.77381.75362.55163.8990
H61.08942.14093.12391.77381.75362.55163.8990
H72.20351.09012.05543.08232.55162.55162.2038
H83.27151.86861.00403.52603.89903.89902.2038

picture of ethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 121.954 C1 C2 H7 115.531
C2 C1 H4 110.044 C2 C1 H5 110.402
C2 C1 H6 110.402 C2 N3 H8 111.340
N3 C2 H7 122.514 H4 C1 H5 109.372
H4 C1 H6 109.372 H5 C1 H6 107.194
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS NH down)

Jump to S1C1
Energy calculated at CBS-Q
 hartrees
Energy at 0K-133.697336
Energy at 298.15K-133.703070
HF Energy-133.071718
Nuclear repulsion energy71.320554
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 CBS-Q
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' 3697 3697 3.22      
2 A' 3280 3280 68.29      
3 A' 3261 3261 2.31      
4 A' 3185 3185 14.37      
5 A' 1919 1919 99.58      
6 A' 1616 1616 22.56      
7 A' 1554 1554 17.98      
8 A' 1528 1528 5.19      
9 A' 1394 1394 65.63      
10 A' 1151 1151 23.71      
11 A' 972 972 1.21      
12 A' 526 526 9.97      
13 A" 3250 3250 22.63      
14 A" 1608 1608 7.09      
15 A" 1259 1259 48.72      
16 A" 1183 1183 17.08      
17 A" 754 754 18.16      
18 A" 182 182 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 16158.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16158.9 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 CBS-Q
ABC
1.67819 0.32310 0.28537

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.005 -0.636 0.000
C2 0.000 0.484 0.000
N3 1.246 0.391 0.000
H4 -0.523 -1.610 0.000
H5 -1.647 -0.564 0.876
H6 -1.647 -0.564 -0.876
H7 -0.406 1.489 0.000
H8 1.530 -0.574 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.50462.47471.08681.08871.08872.20792.5357
C21.50461.24972.15802.14002.14001.08411.8600
N32.47471.24972.67143.17093.17091.98351.0064
H41.08682.15802.67141.76791.76793.10132.2994
H51.08872.14003.17091.76791.75212.55443.2959
H61.08872.14003.17091.76791.75212.55443.2959
H72.20791.08411.98353.10132.55442.55442.8291
H82.53571.86001.00642.29943.29593.29592.8291

picture of ethanimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 127.680 C1 C2 H7 116.104
C2 C1 H4 111.754 C2 C1 H5 110.188
C2 C1 H6 110.188 C2 N3 H8 110.601
N3 C2 H7 116.215 H4 C1 H5 108.710
H4 C1 H6 108.710 H5 C1 H6 107.161
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability