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All results from a given calculation for CH2CHNH (vinylazine)

using model chemistry: MP3/cc-pVTZ

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 MP3/cc-pVTZ
 hartrees
Energy at 0K-133.031392
Energy at 298.15K-133.035641
HF Energy-132.516331
Nuclear repulsion energy65.343807
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 MP3/cc-pVTZ
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' 3539 3344 0.77      
2 A' 3326 3142 1.79      
3 A' 3213 3036 3.82      
4 A' 3129 2956 33.37      
5 A' 1537 1452 16.56      
6 A' 1479 1397 16.95      
7 A' 1391 1314 14.16      
8 A' 1239 1171 27.91      
9 A' 1068 1009 3.64      
10 A' 1019 963 9.99      
11 A' 497 469 13.78      
12 A" 1128 1065 0.00      
13 A" 854 807 9.30      
14 A" 728 688 103.22      
15 A" 549 519 3.94      

Unscaled Zero Point Vibrational Energy (zpe) 12348.4 cm-1
Scaled (by 0.9447) Zero Point Vibrational Energy (zpe) 11665.5 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 MP3/cc-pVTZ
ABC
2.12330 0.37175 0.31636

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.414 0.000
C2 1.143 -0.388 0.000
N3 -1.182 -0.121 0.000
H4 0.146 1.493 0.000
H5 2.130 0.043 0.000
H6 1.031 -1.460 0.000
H7 -1.888 0.609 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.39631.29771.08882.16232.13951.8982
C21.39632.34032.12901.07731.07823.1908
N31.29772.34032.09043.31642.58701.0154
H41.08882.12902.09042.45763.08332.2182
H52.16231.07733.31642.45761.86234.0581
H62.13951.07822.58703.08331.86233.5782
H71.89823.19081.01542.21824.05813.5782

picture of vinylazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.347 C1 C2 H6 119.118
C1 N3 H7 109.700 C2 C1 N3 120.576
C2 C1 H4 117.358 N3 C1 H4 122.066
H5 C2 H6 119.535
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at MP3/cc-pVTZ
 hartrees
Energy at 0K-133.030674
Energy at 298.15K-133.034921
HF Energy-132.515598
Nuclear repulsion energy65.372074
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 MP3/cc-pVTZ
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' 3485 3292 2.94      
2 A' 3310 3127 4.17      
3 A' 3200 3023 2.60      
4 A' 3179 3003 16.40      
5 A' 1531 1447 7.62      
6 A' 1469 1388 1.41      
7 A' 1397 1319 29.57      
8 A' 1230 1162 34.91      
9 A' 1092 1031 28.38      
10 A' 1008 953 0.06      
11 A' 502 474 9.35      
12 A" 1145 1082 50.74      
13 A" 864 816 68.15      
14 A" 739 699 2.63      
15 A" 526 497 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 12338.0 cm-1
Scaled (by 0.9447) Zero Point Vibrational Energy (zpe) 11655.7 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 MP3/cc-pVTZ
ABC
1.97515 0.37602 0.31588

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.450 0.000
C2 1.116 -0.389 0.000
N3 -1.243 0.072 0.000
H4 0.176 1.521 0.000
H5 2.117 0.012 0.000
H6 0.992 -1.461 0.000
H7 -1.278 -0.947 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.39611.29951.08512.16172.15381.8934
C21.39612.40382.12841.07781.08002.4582
N31.29952.40382.02833.36052.71081.0194
H41.08512.12842.02832.45853.09212.8643
H52.16171.07783.36052.45851.85343.5274
H62.15381.08002.71083.09211.85342.3277
H71.89342.45821.01942.86433.52742.3277

picture of vinylazine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.273 C1 C2 H6 120.342
C1 N3 H7 108.875 C2 C1 N3 126.149
C2 C1 H4 117.590 N3 C1 H4 116.262
H5 C2 H6 118.385
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability