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All results from a given calculation for CH2CHNH (vinylazine)

using model chemistry: mPW1PW91/6-31G(2df,p)

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 mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-133.273993
Energy at 298.15K-133.278170
HF Energy-133.273993
Nuclear repulsion energy65.023507
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 mPW1PW91/6-31G(2df,p)
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' 3501 3343 0.03      
2 A' 3301 3152 3.01      
3 A' 3188 3044 2.66      
4 A' 3079 2939 43.76      
5 A' 1514 1446 10.27      
6 A' 1463 1397 3.06      
7 A' 1364 1302 31.07      
8 A' 1262 1205 8.58      
9 A' 1120 1069 20.57      
10 A' 996 951 10.54      
11 A' 482 460 11.10      
12 A" 1057 1009 0.17      
13 A" 819 782 9.45      
14 A" 679 648 92.84      
15 A" 533 509 5.06      

Unscaled Zero Point Vibrational Energy (zpe) 12179.1 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 11627.4 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 mPW1PW91/6-31G(2df,p)
ABC
2.10437 0.36828 0.31343

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.415 0.000
C2 1.149 -0.376 0.000
N3 -1.190 -0.135 0.000
H4 0.141 1.502 0.000
H5 2.139 0.063 0.000
H6 1.052 -1.455 0.000
H7 -1.902 0.595 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.39531.31041.09552.16782.14551.9108
C21.39532.35142.13081.08221.08323.2024
N31.31042.35142.10903.33432.60151.0199
H41.09552.13082.10902.46183.09322.2358
H52.16781.08223.33432.46181.86624.0762
H62.14551.08322.60153.09321.86623.5958
H71.91083.20241.01992.23584.07623.5958

picture of vinylazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.572 C1 C2 H6 119.384
C1 N3 H7 109.533 C2 C1 N3 120.664
C2 C1 H4 117.116 N3 C1 H4 122.220
H5 C2 H6 119.045
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.036      
2 C -0.303      
3 N -0.420      
4 H 0.115      
5 H 0.157      
6 H 0.165      
7 H 0.249      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.050 1.501 0.000 1.832
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.524 -2.642 0.000
y -2.642 -17.274 0.000
z 0.000 0.000 -19.668
Traceless
 xyz
x 1.947 -2.642 0.000
y -2.642 0.822 0.000
z 0.000 0.000 -2.770
Polar
3z2-r2-5.539
x2-y20.750
xy-2.642
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.402 -0.439 0.000
y -0.439 4.135 0.000
z 0.000 0.000 2.239


<r2> (average value of r2) Å2
<r2> 45.021
(<r2>)1/2 6.710

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-133.273772
Energy at 298.15K-133.277939
HF Energy-133.273772
Nuclear repulsion energy65.043928
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 mPW1PW91/6-31G(2df,p)
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' 3452 3296 4.34      
2 A' 3281 3132 6.43      
3 A' 3171 3028 3.17      
4 A' 3138 2995 21.20      
5 A' 1500 1432 5.61      
6 A' 1457 1391 2.50      
7 A' 1395 1332 14.18      
8 A' 1249 1193 30.73      
9 A' 1150 1098 32.87      
10 A' 989 944 0.79      
11 A' 491 469 8.13      
12 A" 1088 1039 40.10      
13 A" 826 788 60.74      
14 A" 690 659 6.65      
15 A" 492 469 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 12183.7 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 11631.8 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 mPW1PW91/6-31G(2df,p)
ABC
1.97638 0.37090 0.31230

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.447 0.000
C2 1.125 -0.380 0.000
N3 -1.253 0.066 0.000
H4 0.168 1.526 0.000
H5 2.129 0.026 0.000
H6 1.016 -1.460 0.000
H7 -1.289 -0.957 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.39631.30991.09162.16982.16081.9060
C21.39632.41942.13261.08301.08532.4815
N31.30992.41942.03743.38202.73431.0237
H41.09162.13262.03742.46833.10382.8787
H52.16981.08303.38202.46831.85673.5560
H62.16081.08532.73433.10381.85672.3586
H71.90602.48151.02372.87873.55602.3586

picture of vinylazine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.622 C1 C2 H6 120.572
C1 N3 H7 108.913 C2 C1 N3 126.739
C2 C1 H4 117.486 N3 C1 H4 115.775
H5 C2 H6 117.806
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.074      
2 C -0.341      
3 N -0.426      
4 H 0.137      
5 H 0.161      
6 H 0.153      
7 H 0.242      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.065 -1.013 0.000 2.300
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.249 1.988 0.000
y 1.988 -15.933 0.000
z 0.000 0.000 -19.675
Traceless
 xyz
x -2.445 1.988 0.000
y 1.988 4.029 0.000
z 0.000 0.000 -1.584
Polar
3z2-r2-3.168
x2-y2-4.316
xy1.988
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.066 -0.098 0.000
y -0.098 4.332 0.000
z 0.000 0.000 2.251


<r2> (average value of r2) Å2
<r2> 44.938
(<r2>)1/2 6.704