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All results from a given calculation for CH2CHNH (vinylazine)

using model chemistry: QCISD(T)/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 QCISD(T)/cc-pVTZ
 hartrees
Energy at 0K-133.065492
Energy at 298.15K-133.069682
HF Energy-132.516229
Nuclear repulsion energy64.795539
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 QCISD(T)/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' 3453 3275        
2 A' 3272 3104        
3 A' 3164 3001        
4 A' 3082 2924        
5 A' 1518 1440        
6 A' 1466 1390        
7 A' 1361 1291        
8 A' 1248 1184        
9 A' 1108 1051        
10 A' 999 948        
11 A' 485 460        
12 A" 1060 1005        
13 A" 810 768        
14 A" 685 650        
15 A" 534 507        

Unscaled Zero Point Vibrational Energy (zpe) 12122.9 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 11499.7 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 QCISD(T)/cc-pVTZ
ABC
2.08060 0.36574 0.31106

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.420 0.000
C2 1.155 -0.379 0.000
N3 -1.194 -0.136 0.000
H4 0.135 1.504 0.000
H5 2.142 0.062 0.000
H6 1.052 -1.456 0.000
H7 -1.904 0.597 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40471.31691.09202.17152.15141.9124
C21.40472.36112.14151.08101.08213.2113
N31.31692.36112.11073.34132.60501.0213
H41.09202.14152.11072.47093.09902.2317
H52.17151.08103.34132.47091.86924.0813
H62.15141.08212.60503.09901.86923.5996
H71.91243.21131.02132.23174.08133.5996

picture of vinylazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.212 C1 C2 H6 119.229
C1 N3 H7 109.100 C2 C1 N3 120.319
C2 C1 H4 117.585 N3 C1 H4 122.095
H5 C2 H6 119.559
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at QCISD(T)/cc-pVTZ
 hartrees
Energy at 0K-133.065020
Energy at 298.15K-133.069157
HF Energy-132.515434
Nuclear repulsion energy64.822986
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 QCISD(T)/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' 3395 3220        
2 A' 3254 3087        
3 A' 3145 2984        
4 A' 3132 2971        
5 A' 1502 1425        
6 A' 1451 1376        
7 A' 1382 1311        
8 A' 1229 1166        
9 A' 1129 1071        
10 A' 981 931        
11 A' 482 457        
12 A" 1080 1024        
13 A" 806 765        
14 A" 679 645        
15 A" 472 448        

Unscaled Zero Point Vibrational Energy (zpe) 12060.5 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 11440.6 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 QCISD(T)/cc-pVTZ
ABC
1.94595 0.36921 0.31033

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.455 0.000
C2 1.128 -0.383 0.000
N3 -1.257 0.063 0.000
H4 0.165 1.531 0.000
H5 2.131 0.023 0.000
H6 1.008 -1.460 0.000
H7 -1.273 -0.963 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40591.31731.08822.17442.16481.9053
C21.40592.42732.14291.08181.08382.4701
N31.31732.42732.04423.38882.73031.0255
H41.08822.14292.04422.47773.10792.8783
H52.17441.08183.38882.47771.86033.5437
H62.16481.08382.73033.10791.86032.3349
H71.90532.47011.02552.87833.54372.3349

picture of vinylazine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.326 C1 C2 H6 120.256
C1 N3 H7 108.187 C2 C1 N3 126.052
C2 C1 H4 117.894 N3 C1 H4 116.054
H5 C2 H6 118.418
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability