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 CH2CHNH2 (aminoethene)

using model chemistry: wB97X-D/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/aug-cc-pVTZ
 hartrees
Energy at 0K-133.956204
Energy at 298.15K-133.961623
HF Energy-133.956204
Nuclear repulsion energy71.806087
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 wB97X-D/aug-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 3709 3548 20.38      
2 A 3603 3446 14.82      
3 A 3265 3124 10.43      
4 A 3188 3050 6.73      
5 A 3166 3029 7.92      
6 A 1733 1658 192.58      
7 A 1658 1586 23.67      
8 A 1458 1394 2.18      
9 A 1339 1281 7.60      
10 A 1299 1242 51.85      
11 A 1085 1038 18.65      
12 A 1006 962 21.42      
13 A 971 929 4.17      
14 A 836 800 77.64      
15 A 712 681 7.32      
16 A 557 533 249.25      
17 A 475 455 4.25      
18 A 350 335 49.34      

Unscaled Zero Point Vibrational Energy (zpe) 15205.4 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 14545.5 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 wB97X-D/aug-cc-pVTZ
ABC
1.91697 0.33702 0.28863

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.243 -0.198 0.017
C2 0.072 0.430 -0.002
N3 -1.184 -0.167 -0.088
H4 1.317 -1.278 0.024
H5 2.164 0.364 0.005
H6 0.035 1.513 -0.019
H7 -1.199 -1.152 0.126
H8 -1.921 0.327 0.388

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.32912.42931.08321.07902.09492.62403.2284
C21.32911.39242.11402.09341.08412.03272.0329
N32.42931.39242.73883.39082.07621.00821.0067
H41.08322.11402.73881.84853.07222.52093.6320
H51.07902.09343.39081.84852.41953.69084.1028
H62.09491.08412.07623.07222.41952.94022.3231
H72.62402.03271.00822.52093.69082.94021.6664
H83.22842.03291.00673.63204.10282.32311.6664

picture of aminoethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 126.396 C1 C2 H6 120.133
C2 C1 H4 122.077 C2 C1 H5 120.409
C2 N3 H7 114.776 C2 N3 H8 114.898
N3 C2 H6 113.348 H4 C1 H5 117.501
H7 N3 H8 111.596
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.957      
2 C -0.121      
3 N -0.327      
4 H 0.414      
5 H 0.320      
6 H 0.543      
7 H 0.058      
8 H 0.072      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.275 -0.023 0.886 1.552
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.507 0.091 -1.912
y 0.091 -16.401 -0.142
z -1.912 -0.142 -22.701
Traceless
 xyz
x 2.045 0.091 -1.912
y 0.091 3.703 -0.142
z -1.912 -0.142 -5.747
Polar
3z2-r2-11.495
x2-y2-1.105
xy0.091
xz-1.912
yz-0.142


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.546 -0.399 0.064
y -0.399 5.143 -0.013
z 0.064 -0.013 4.437


<r2> (average value of r2) Å2
<r2> 49.653
(<r2>)1/2 7.047