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All results from a given calculation for CH2CHNH (vinylazine)

using model chemistry: TPSSh/6-31G*

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/6-31G*
 hartrees
Energy at 0K-133.305041
Energy at 298.15K-133.309190
HF Energy-133.305041
Nuclear repulsion energy64.668135
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/6-31G*
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' 3399 3261 6.21      
2 A' 3285 3152 8.12      
3 A' 3181 3052 5.84      
4 A' 3060 2936 58.78      
5 A' 1539 1477 6.77      
6 A' 1480 1420 2.49      
7 A' 1369 1313 35.67      
8 A' 1263 1212 5.47      
9 A' 1123 1077 21.77      
10 A' 1000 960 10.71      
11 A' 478 458 11.16      
12 A" 1047 1004 0.11      
13 A" 800 767 10.75      
14 A" 678 650 110.29      
15 A" 531 509 5.75      

Unscaled Zero Point Vibrational Energy (zpe) 12115.7 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 11623.8 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 TPSSh/6-31G*
ABC
2.07015 0.36496 0.31027

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.421 0.000
C2 1.156 -0.374 0.000
N3 -1.195 -0.142 0.000
H4 0.138 1.509 0.000
H5 2.147 0.066 0.000
H6 1.061 -1.455 0.000
H7 -1.915 0.591 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40251.32101.09742.17632.15501.9228
C21.40252.36212.14051.08491.08533.2190
N31.32102.36212.12273.34882.61011.0279
H41.09742.14052.12272.47343.10462.2496
H52.17631.08493.34882.47341.86954.0963
H62.15501.08532.61013.10461.86953.6117
H71.92283.21901.02792.24964.09633.6117

picture of vinylazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.544 C1 C2 H6 119.502
C1 N3 H7 109.256 C2 C1 N3 120.261
C2 C1 H4 117.267 N3 C1 H4 122.472
H5 C2 H6 118.954
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.042      
2 C -0.318      
3 N -0.526      
4 H 0.144      
5 H 0.172      
6 H 0.189      
7 H 0.298      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.050 1.596 0.000 1.910
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 6.401 -0.432 0.000
y -0.432 4.068 0.000
z 0.000 0.000 1.750


<r2> (average value of r2) Å2
<r2> 45.431
(<r2>)1/2 6.740

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at TPSSh/6-31G*
 hartrees
Energy at 0K-133.304823
Energy at 298.15K-133.308948
HF Energy-133.304823
Nuclear repulsion energy64.644008
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/6-31G*
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' 3347 3211 19.56      
2 A' 3262 3130 13.76      
3 A' 3162 3034 6.47      
4 A' 3135 3008 27.97      
5 A' 1530 1468 3.61      
6 A' 1473 1413 4.32      
7 A' 1393 1337 16.06      
8 A' 1250 1199 28.99      
9 A' 1148 1102 30.12      
10 A' 992 952 0.45      
11 A' 482 462 8.47      
12 A" 1084 1040 48.41      
13 A" 807 774 67.65      
14 A" 679 651 7.27      
15 A" 481 462 0.35      

Unscaled Zero Point Vibrational Energy (zpe) 12112.1 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 11620.4 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/6-31G*
ABC
1.96624 0.36512 0.30794

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.448 0.000
C2 1.135 -0.380 0.000
N3 -1.263 0.065 0.000
H4 0.161 1.529 0.000
H5 2.139 0.033 0.000
H6 1.034 -1.463 0.000
H7 -1.297 -0.966 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40441.32021.09252.17842.17261.9188
C21.40442.43892.14221.08571.08782.5012
N31.32022.43892.04223.40222.75921.0318
H41.09252.14222.04222.47923.11612.8894
H52.17841.08573.40222.47921.85973.5779
H62.17261.08782.75923.11611.85972.3833
H71.91882.50121.03182.88943.57792.3833

picture of vinylazine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.529 C1 C2 H6 120.809
C1 N3 H7 108.717 C2 C1 N3 127.031
C2 C1 H4 117.638 N3 C1 H4 115.331
H5 C2 H6 117.662
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.055      
2 C -0.346      
3 N -0.517      
4 H 0.168      
5 H 0.178      
6 H 0.173      
7 H 0.289      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.141 -1.083 0.000 2.399
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 6.064 -0.074 0.000
y -0.074 4.261 0.000
z 0.000 0.000 1.752


<r2> (average value of r2) Å2
<r2> 45.502
(<r2>)1/2 6.746