return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3CHNH (ethanimine)

using model chemistry: B97D3/cc-pVTZ

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 B97D3/cc-pVTZ
 hartrees
Energy at 0K-133.921356
Energy at 298.15K-133.926779
HF Energy-133.921356
Nuclear repulsion energy70.766970
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 B97D3/cc-pVTZ
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' 3365 3318 3.67      
2 A' 3081 3038 15.51      
3 A' 2972 2930 12.99      
4 A' 2917 2876 85.80      
5 A' 1676 1653 68.62      
6 A' 1440 1420 14.06      
7 A' 1399 1380 21.07      
8 A' 1356 1337 14.12      
9 A' 1253 1235 33.13      
10 A' 1036 1022 30.66      
11 A' 903 890 9.19      
12 A' 482 475 16.01      
13 A" 3022 2980 16.90      
14 A" 1447 1427 7.42      
15 A" 1099 1083 5.08      
16 A" 1052 1038 12.11      
17 A" 664 654 47.52      
18 A" 187 184 1.00      

Unscaled Zero Point Vibrational Energy (zpe) 14674.4 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 14469.0 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 B97D3/cc-pVTZ
ABC
1.78363 0.32536 0.28994

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.033 -0.636 0.000
C2 0.000 0.448 0.000
N3 1.246 0.186 0.000
H4 -0.555 -1.618 0.000
H5 -1.683 -0.545 0.880
H6 -1.683 -0.545 -0.880
H7 -0.399 1.478 0.000
H8 1.793 1.052 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.49812.42331.09221.09751.09752.20693.2927
C21.49811.27352.13982.14292.14291.10381.8924
N32.42331.27352.54953.14443.14442.09151.0244
H41.09222.13982.54951.78851.78853.09963.5561
H51.09752.14293.14441.78851.76002.55173.9253
H61.09752.14293.14441.78851.76002.55173.9253
H72.20691.10382.09153.09962.55172.55172.2334
H83.29271.89241.02443.55613.92533.92532.2334

picture of ethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 121.876 C1 C2 H7 115.008
C2 C1 H4 110.210 C2 C1 H5 110.344
C2 C1 H6 110.344 C2 N3 H8 111.425
N3 C2 H7 123.115 H4 C1 H5 109.511
H4 C1 H6 109.511 H5 C1 H6 106.857
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.206      
2 C -0.024      
3 N -0.221      
4 H 0.095      
5 H 0.089      
6 H 0.089      
7 H 0.045      
8 H 0.133      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.426 1.272 0.000 1.911
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.787 2.410 0.000
y 2.410 -17.938 0.000
z 0.000 0.000 -19.755
Traceless
 xyz
x -0.940 2.410 0.000
y 2.410 1.833 0.000
z 0.000 0.000 -0.892
Polar
3z2-r2-1.785
x2-y2-1.849
xy2.410
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.390 0.391 0.000
y 0.391 4.961 0.000
z 0.000 0.000 3.601


<r2> (average value of r2) Å2
<r2> 50.520
(<r2>)1/2 7.108

Conformer 2 (CS NH down)

Jump to S1C1
Energy calculated at B97D3/cc-pVTZ
 hartrees
Energy at 0K-133.920686
Energy at 298.15K-133.926093
HF Energy-133.920686
Nuclear repulsion energy70.712278
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 B97D3/cc-pVTZ
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' 3314 3268 10.88      
2 A' 3057 3014 30.93      
3 A' 2989 2947 35.67      
4 A' 2965 2924 12.54      
5 A' 1671 1648 64.71      
6 A' 1448 1428 27.42      
7 A' 1402 1382 23.55      
8 A' 1363 1344 6.98      
9 A' 1261 1243 63.16      
10 A' 1048 1034 15.59      
11 A' 884 872 5.59      
12 A' 485 478 6.45      
13 A" 3022 2980 14.09      
14 A" 1441 1421 7.97      
15 A" 1120 1104 43.67      
16 A" 1049 1035 6.95      
17 A" 674 665 6.68      
18 A" 171 168 0.49      

Unscaled Zero Point Vibrational Energy (zpe) 14682.4 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 14476.8 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 B97D3/cc-pVTZ
ABC
1.68822 0.32578 0.28762

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.021 -0.623 0.000
C2 0.000 0.480 0.000
N3 1.269 0.380 0.000
H4 -0.546 -1.609 0.000
H5 -1.672 -0.542 0.880
H6 -1.672 -0.542 -0.880
H7 -0.412 1.499 0.000
H8 1.545 -0.610 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.50342.49991.09461.09761.09762.20802.5656
C21.50341.27282.15992.14832.14831.09861.8911
N32.49991.27282.69293.20533.20532.01881.0283
H41.09462.15992.69291.78391.78393.11142.3171
H51.09762.14833.20531.78391.75932.55503.3358
H61.09762.14833.20531.78391.75932.55503.3358
H72.20801.09862.01883.11142.55502.55502.8770
H82.56561.89111.02832.31713.33583.33582.8770

picture of ethanimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 128.091 C1 C2 H7 115.628
C2 C1 H4 111.403 C2 C1 H5 110.347
C2 C1 H6 110.347 C2 N3 H8 109.726
N3 C2 H7 116.281 H4 C1 H5 108.926
H4 C1 H6 108.926 H5 C1 H6 106.763
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.227      
2 C -0.025      
3 N -0.241      
4 H 0.081      
5 H 0.092      
6 H 0.092      
7 H 0.104      
8 H 0.124      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.968 -1.369 0.000 2.398
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.222 -3.040 0.000
y -3.040 -19.046 0.000
z 0.000 0.000 -19.712
Traceless
 xyz
x -1.843 -3.040 0.000
y -3.040 1.421 0.000
z 0.000 0.000 0.422
Polar
3z2-r20.845
x2-y2-2.176
xy-3.040
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.259 0.082 0.000
y 0.082 4.913 0.000
z 0.000 0.000 3.588


<r2> (average value of r2) Å2
<r2> 50.528
(<r2>)1/2 7.108