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All results from a given calculation for CH2CHNH (vinylazine)

using model chemistry: HF/3-21G

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/3-21G
 hartrees
Energy at 0K-131.720608
Energy at 298.15K-131.724907
HF Energy-131.720608
Nuclear repulsion energy64.728393
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/3-21G
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' 3551 3216 4.49      
2 A' 3427 3103 6.54      
3 A' 3325 3011 5.68      
4 A' 3270 2962 32.29      
5 A' 1640 1485 8.43      
6 A' 1586 1436 12.07      
7 A' 1406 1273 44.44      
8 A' 1221 1106 4.20      
9 A' 1177 1066 33.66      
10 A' 1048 949 5.28      
11 A' 518 469 13.31      
12 A" 1075 973 1.04      
13 A" 877 794 37.49      
14 A" 721 653 121.55      
15 A" 586 531 24.44      

Unscaled Zero Point Vibrational Energy (zpe) 12713.7 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 11513.6 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/3-21G
ABC
2.09021 0.36406 0.31005

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.425 0.000
C2 1.168 -0.319 0.000
N3 -1.194 -0.194 0.000
H4 0.080 1.500 0.000
H5 2.131 0.150 0.000
H6 1.110 -1.389 0.000
H7 -1.970 0.463 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.38461.34451.07802.14842.12661.9704
C21.38462.36512.11931.07161.07153.2338
N31.34452.36512.11913.34262.59591.0164
H41.07802.11932.11912.45473.06702.2976
H52.14841.07163.34262.45471.84744.1128
H62.12661.07152.59593.06701.84743.5941
H71.97043.23381.01642.29764.11283.5941

picture of vinylazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.497 C1 C2 H6 119.415
C1 N3 H7 112.409 C2 C1 N3 120.126
C2 C1 H4 118.231 N3 C1 H4 121.643
H5 C2 H6 119.089
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.014      
2 C -0.390      
3 N -0.550      
4 H 0.215      
5 H 0.216      
6 H 0.241      
7 H 0.283      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.616 1.866 0.000 1.965
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.358 -3.022 0.000
y -3.022 -18.115 0.000
z 0.000 0.000 -20.292
Traceless
 xyz
x 2.846 -3.022 0.000
y -3.022 0.209 0.000
z 0.000 0.000 -3.055
Polar
3z2-r2-6.110
x2-y21.758
xy-3.022
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.097 -0.334 0.000
y -0.334 3.371 0.000
z 0.000 0.000 1.337


<r2> (average value of r2) Å2
<r2> 45.595
(<r2>)1/2 6.752

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at HF/3-21G
 hartrees
Energy at 0K-131.720795
Energy at 298.15K-131.725102
HF Energy-131.720795
Nuclear repulsion energy64.687173
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/3-21G
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' 3515 3183 10.83      
2 A' 3408 3086 10.51      
3 A' 3338 3023 13.06      
4 A' 3308 2996 8.27      
5 A' 1641 1486 5.91      
6 A' 1560 1413 5.02      
7 A' 1441 1305 55.66      
8 A' 1229 1113 1.26      
9 A' 1185 1073 48.07      
10 A' 1040 942 0.29      
11 A' 525 476 10.67      
12 A" 1099 995 55.82      
13 A" 882 799 86.92      
14 A" 725 657 31.16      
15 A" 578 524 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 12737.6 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 11535.1 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/3-21G
ABC
1.96593 0.36507 0.30790

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.452 0.000
C2 1.146 -0.329 0.000
N3 -1.268 0.006 0.000
H4 0.108 1.519 0.000
H5 2.118 0.121 0.000
H6 1.094 -1.402 0.000
H7 -1.318 -1.013 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.38631.34421.07312.14412.15221.9700
C21.38632.43682.11971.07161.07422.5566
N31.34422.43682.04563.38842.74951.0195
H41.07312.11972.04562.44913.08312.9058
H52.14411.07163.38842.44911.83533.6183
H62.15221.07422.74953.08311.83532.4429
H71.97002.55661.01952.90583.61832.4429

picture of vinylazine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 120.919 C1 C2 H6 121.504
C1 N3 H7 112.179 C2 C1 N3 126.351
C2 C1 H4 118.501 N3 C1 H4 115.148
H5 C2 H6 117.577
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.005      
2 C -0.423      
3 N -0.551      
4 H 0.247      
5 H 0.226      
6 H 0.217      
7 H 0.280      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.025 -1.198 0.000 2.352
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.289 2.305 0.000
y 2.305 -16.087 0.000
z 0.000 0.000 -20.308
Traceless
 xyz
x -3.092 2.305 0.000
y 2.305 4.712 0.000
z 0.000 0.000 -1.620
Polar
3z2-r2-3.240
x2-y2-5.202
xy2.305
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.610 0.083 0.000
y 0.083 3.680 0.000
z 0.000 0.000 1.326


<r2> (average value of r2) Å2
<r2> 45.760
(<r2>)1/2 6.765