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All results from a given calculation for CH2CHNH (vinylazine)

using model chemistry: HF/STO-3G

19 10 17 12 22

States and conformations

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

Conformer 1 (CS cis)

Jump to S1C2
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-130.811463
Energy at 298.15K-130.815445
HF Energy-130.811463
Nuclear repulsion energy63.379406
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 HF/STO-3G
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' 3834 3131 11.75      
2 A' 3818 3118 1.29      
3 A' 3666 2994 0.57      
4 A' 3643 2975 6.40      
5 A' 1738 1419 1.60      
6 A' 1658 1354 5.32      
7 A' 1509 1232 14.93      
8 A' 1285 1049 2.72      
9 A' 1234 1008 15.10      
10 A' 1069 873 0.20      
11 A' 487 398 6.44      
12 A" 1001 818 0.11      
13 A" 769 628 6.74      
14 A" 662 541 50.78      
15 A" 557 454 18.34      

Unscaled Zero Point Vibrational Energy (zpe) 13465.8 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 10994.9 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 HF/STO-3G
ABC
1.99293 0.34931 0.29721

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.431 0.000
C2 1.194 -0.301 0.000
N3 -1.226 -0.233 0.000
H4 0.047 1.519 0.000
H5 2.156 0.194 0.000
H6 1.178 -1.383 0.000
H7 -1.963 0.520 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40081.39451.08872.16902.16241.9648
C21.40082.42172.15121.08151.08173.2623
N31.39452.42172.16533.40922.66501.0534
H41.08872.15122.16532.49073.11382.2439
H52.16901.08153.40922.49071.85524.1318
H62.16241.08172.66503.11381.85523.6722
H71.96483.26231.05342.24394.13183.6722

picture of vinylazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.268 C1 C2 H6 120.629
C1 N3 H7 105.930 C2 C1 N3 120.075
C2 C1 H4 119.032 N3 C1 H4 120.893
H5 C2 H6 118.103
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.007      
2 C -0.108      
3 N -0.230      
4 H 0.056      
5 H 0.065      
6 H 0.075      
7 H 0.135      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.528 1.584 0.000 1.670
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.409 -2.452 0.000
y -2.452 -17.080 0.000
z 0.000 0.000 -17.824
Traceless
 xyz
x 1.043 -2.452 0.000
y -2.452 0.037 0.000
z 0.000 0.000 -1.080
Polar
3z2-r2-2.159
x2-y20.671
xy-2.452
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.170 -0.323 0.000
y -0.323 2.004 0.000
z 0.000 0.000 0.710


<r2> (average value of r2) Å2
<r2> 46.224
(<r2>)1/2 6.799

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-130.812043
Energy at 298.15K-130.816053
HF Energy-130.812043
Nuclear repulsion energy63.470284
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 HF/STO-3G
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' 3822 3120 17.22      
2 A' 3810 3111 0.72      
3 A' 3698 3019 0.15      
4 A' 3639 2971 4.42      
5 A' 1734 1416 0.46      
6 A' 1650 1348 9.00      
7 A' 1523 1243 16.00      
8 A' 1289 1052 2.85      
9 A' 1230 1004 8.83      
10 A' 1072 875 0.74      
11 A' 511 417 7.37      
12 A" 1044 852 18.32      
13 A" 763 623 17.02      
14 A" 675 551 26.41      
15 A" 551 450 7.61      

Unscaled Zero Point Vibrational Energy (zpe) 13503.9 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 11025.9 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 HF/STO-3G
ABC
1.87537 0.35318 0.29721

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.468 0.000
C2 1.165 -0.311 0.000
N3 -1.304 -0.024 0.000
H4 0.088 1.551 0.000
H5 2.145 0.145 0.000
H6 1.117 -1.392 0.000
H7 -1.212 -1.075 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40111.39371.08682.16942.16941.9619
C21.40112.48572.15071.08121.08252.4973
N31.39372.48572.10203.45362.78081.0546
H41.08682.15072.10202.49163.11772.9300
H52.16941.08123.45362.49161.84973.5727
H62.16941.08252.78083.11771.84972.3510
H71.96192.49731.05462.93003.57272.3510

picture of vinylazine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.307 C1 C2 H6 121.195
C1 N3 H7 105.680 C2 C1 N3 125.595
C2 C1 H4 119.100 N3 C1 H4 115.305
H5 C2 H6 117.498
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.008      
2 C -0.118      
3 N -0.226      
4 H 0.070      
5 H 0.071      
6 H 0.063      
7 H 0.133      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.685 -0.893 0.000 1.907
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.184 1.496 0.000
y 1.496 -15.617 0.000
z 0.000 0.000 -17.830
Traceless
 xyz
x -3.461 1.496 0.000
y 1.496 3.390 0.000
z 0.000 0.000 0.071
Polar
3z2-r20.141
x2-y2-4.568
xy1.496
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.649 0.126 0.000
y 0.126 2.384 0.000
z 0.000 0.000 0.688


<r2> (average value of r2) Å2
<r2> 45.957
(<r2>)1/2 6.779