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All results from a given calculation for CH2CHNH (vinylazine)

using model chemistry: MP2/CEP-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 MP2/CEP-31G
 hartrees
Energy at 0K-23.088899
Energy at 298.15K-23.093026
HF Energy-22.875961
Nuclear repulsion energy35.099342
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 MP2/CEP-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' 3448 3332 11.64      
2 A' 3302 3191 23.62      
3 A' 3178 3071 16.62      
4 A' 3100 2995 63.64      
5 A' 1528 1476 11.60      
6 A' 1460 1411 20.14      
7 A' 1324 1280 20.59      
8 A' 1194 1154 25.06      
9 A' 1091 1054 10.72      
10 A' 990 956 7.63      
11 A' 476 460 14.95      
12 A" 1063 1028 1.44      
13 A" 732 708 64.57      
14 A" 700 676 134.72      
15 A" 532 514 10.78      

Unscaled Zero Point Vibrational Energy (zpe) 12058.8 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 11652.4 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 MP2/CEP-31G
ABC
1.98576 0.34744 0.29570

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.437 0.000
C2 1.189 -0.377 0.000
N3 -1.221 -0.150 0.000
H4 0.126 1.538 0.000
H5 2.190 0.075 0.000
H6 1.090 -1.471 0.000
H7 -1.989 0.550 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.44081.35481.10872.21942.19751.9925
C21.44082.42082.19061.09861.09853.3106
N31.35482.42082.15983.41842.66241.0390
H41.10872.19062.15982.52963.16022.3349
H52.21941.09863.41842.52961.89784.2060
H62.19751.09852.66243.16021.89783.6835
H71.99253.31061.03902.33494.20603.6835

picture of vinylazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.266 C1 C2 H6 119.242
C1 N3 H7 112.013 C2 C1 N3 119.946
C2 C1 H4 117.867 N3 C1 H4 122.187
H5 C2 H6 119.492
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at MP2/CEP-31G
 hartrees
Energy at 0K-23.087548
Energy at 298.15K-23.091657
HF Energy-22.874471
Nuclear repulsion energy35.102627
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 MP2/CEP-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' 3398 3283 22.00      
2 A' 3286 3175 31.52      
3 A' 3196 3088 16.44      
4 A' 3162 3056 18.36      
5 A' 1523 1472 7.43      
6 A' 1435 1386 4.16      
7 A' 1337 1292 39.05      
8 A' 1158 1119 47.83      
9 A' 1111 1073 9.52      
10 A' 981 948 3.00      
11 A' 475 459 11.96      
12 A" 1093 1056 86.51      
13 A" 737 712 80.36      
14 A" 682 659 12.07      
15 A" 514 496 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 12043.1 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 11637.2 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 MP2/CEP-31G
ABC
1.86838 0.34692 0.29259

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.465 0.000
C2 1.170 -0.383 0.000
N3 -1.294 0.052 0.000
H4 0.144 1.557 0.000
H5 2.179 0.051 0.000
H6 1.075 -1.480 0.000
H7 -1.361 -0.988 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.44501.35821.10052.21852.22271.9912
C21.44502.50162.19401.09911.10092.6018
N31.35822.50162.08083.47322.82131.0427
H41.10052.19402.08082.53173.17592.9563
H52.21851.09913.47322.53171.88753.6895
H62.22271.10092.82133.17591.88752.4850
H71.99122.60181.04272.95633.68952.4850

picture of vinylazine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 120.786 C1 C2 H6 121.035
C1 N3 H7 111.391 C2 C1 N3 126.333
C2 C1 H4 118.438 N3 C1 H4 115.229
H5 C2 H6 118.179
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability