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 CH2CHNH (vinylazine)

using model chemistry: TPSSh/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS cis 2A"
1 2 no CS trans 2A"

Conformer 1 (CS cis)

Jump to S1C2
Energy calculated at TPSSh/cc-pVDZ
 hartrees
Energy at 0K-133.317246
Energy at 298.15K-133.321397
HF Energy-133.317246
Nuclear repulsion energy64.535784
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 TPSSh/cc-pVDZ
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' 3377 3284 2.42      
2 A' 3264 3174 5.67      
3 A' 3148 3062 4.61      
4 A' 3034 2950 57.19      
5 A' 1507 1466 8.55      
6 A' 1448 1408 2.25      
7 A' 1349 1312 34.61      
8 A' 1243 1209 4.57      
9 A' 1115 1084 21.17      
10 A' 986 958 11.38      
11 A' 473 460 9.94      
12 A" 1040 1012 0.02      
13 A" 801 779 8.10      
14 A" 667 649 86.83      
15 A" 527 512 5.69      

Unscaled Zero Point Vibrational Energy (zpe) 11989.3 cm-1
Scaled (by 0.9724) Zero Point Vibrational Energy (zpe) 11658.4 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 TPSSh/cc-pVDZ
ABC
2.05302 0.36447 0.30952

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.421 0.000
C2 1.156 -0.376 0.000
N3 -1.196 -0.142 0.000
H4 0.144 1.517 0.000
H5 2.154 0.067 0.000
H6 1.054 -1.464 0.000
H7 -1.914 0.601 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40411.32191.10482.18282.15971.9221
C21.40412.36362.14621.09191.09273.2213
N31.32192.36362.13193.35642.60981.0326
H41.10482.14622.13192.47823.11632.2521
H52.18281.09193.35642.47821.88514.1024
H62.15971.09272.60983.11631.88513.6153
H71.92213.22131.03262.25214.10243.6153

picture of vinylazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.470 C1 C2 H6 119.239
C1 N3 H7 108.826 C2 C1 N3 120.206
C2 C1 H4 117.113 N3 C1 H4 122.681
H5 C2 H6 119.291
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.035      
2 C 0.009      
3 N -0.177      
4 H 0.006      
5 H 0.050      
6 H 0.052      
7 H 0.095      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.915 1.466 0.000 1.728
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.566 -0.484 0.000
y -0.484 4.304 0.000
z 0.000 0.000 2.046


<r2> (average value of r2) Å2
<r2> 45.602
(<r2>)1/2 6.753

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at TPSSh/cc-pVDZ
 hartrees
Energy at 0K-133.317144
Energy at 298.15K-133.321272
HF Energy-133.317144
Nuclear repulsion energy64.528028
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 TPSSh/cc-pVDZ
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' 3322 3230 13.54      
2 A' 3241 3152 10.74      
3 A' 3131 3044 5.18      
4 A' 3101 3016 25.53      
5 A' 1492 1450 4.86      
6 A' 1444 1405 3.67      
7 A' 1377 1339 14.70      
8 A' 1237 1203 27.84      
9 A' 1141 1110 28.59      
10 A' 978 951 0.49      
11 A' 475 462 8.02      
12 A" 1073 1043 45.45      
13 A" 804 782 51.80      
14 A" 676 657 6.28      
15 A" 477 464 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 11984.9 cm-1
Scaled (by 0.9724) Zero Point Vibrational Energy (zpe) 11654.2 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 TPSSh/cc-pVDZ
ABC
1.95123 0.36492 0.30742

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.449 0.000
C2 1.134 -0.381 0.000
N3 -1.264 0.067 0.000
H4 0.165 1.537 0.000
H5 2.145 0.033 0.000
H6 1.025 -1.471 0.000
H7 -1.288 -0.970 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40531.32091.10052.18482.17621.9161
C21.40532.44002.14881.09281.09492.4926
N31.32092.44002.05053.40972.75821.0369
H41.10052.14882.05052.48583.12822.8974
H52.18481.09283.40972.48581.87543.5768
H62.17621.09492.75823.12821.87542.3671
H71.91612.49261.03692.89743.57682.3671

picture of vinylazine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.486 C1 C2 H6 120.504
C1 N3 H7 108.110 C2 C1 N3 126.997
C2 C1 H4 117.566 N3 C1 H4 115.438
H5 C2 H6 118.010
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.019      
2 C -0.021      
3 N -0.175      
4 H 0.032      
5 H 0.052      
6 H 0.046      
7 H 0.084      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.929 -0.989 0.000 2.168
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.216 -0.103 0.000
y -0.103 4.461 0.000
z 0.000 0.000 2.058


<r2> (average value of r2) Å2
<r2> 45.592
(<r2>)1/2 6.752