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All results from a given calculation for CH2CHNH (vinylazine)

using model chemistry: MP2/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-132.658530
Energy at 298.15K-132.662717
HF Energy-132.426352
Nuclear repulsion energy63.859803
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/LANL2DZ
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' 3429 3303 7.59      
2 A' 3313 3191 10.00      
3 A' 3180 3062 10.54      
4 A' 3107 2993 48.68      
5 A' 1535 1478 9.94      
6 A' 1488 1434 15.53      
7 A' 1343 1293 28.88      
8 A' 1201 1156 30.00      
9 A' 1067 1027 5.26      
10 A' 1009 972 9.47      
11 A' 486 468 15.07      
12 A" 1086 1046 1.47      
13 A" 783 754 23.56      
14 A" 732 705 160.49      
15 A" 554 533 14.03      

Unscaled Zero Point Vibrational Energy (zpe) 12156.0 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 11707.5 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 MP2/LANL2DZ
ABC
2.03001 0.35487 0.30206

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.430 0.000
C2 1.177 -0.357 0.000
N3 -1.208 -0.162 0.000
H4 0.122 1.525 0.000
H5 2.167 0.101 0.000
H6 1.097 -1.446 0.000
H7 -1.990 0.517 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.41621.34551.10202.19192.17301.9923
C21.41622.39302.15851.09101.09103.2857
N31.34552.39302.14843.38532.63831.0356
H41.10202.15852.14842.49263.12702.3407
H52.19191.09103.38532.49261.88054.1781
H62.17301.09102.63833.12701.88053.6581
H71.99233.28571.03562.34074.17813.6581

picture of vinylazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.363 C1 C2 H6 119.592
C1 N3 H7 112.948 C2 C1 N3 120.089
C2 C1 H4 117.459 N3 C1 H4 122.453
H5 C2 H6 119.045
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-132.658334
Energy at 298.15K-132.662513
HF Energy-132.425762
Nuclear repulsion energy63.776779
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/LANL2DZ
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' 3385 3260 16.13      
2 A' 3296 3174 15.44      
3 A' 3203 3085 15.18      
4 A' 3163 3046 10.70      
5 A' 1536 1480 9.00      
6 A' 1458 1404 2.83      
7 A' 1366 1315 36.42      
8 A' 1164 1121 50.25      
9 A' 1084 1044 7.37      
10 A' 1007 969 3.50      
11 A' 492 474 10.23      
12 A" 1102 1062 87.31      
13 A" 788 759 88.96      
14 A" 723 696 2.31      
15 A" 537 517 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 12150.6 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 11702.3 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/LANL2DZ
ABC
1.91095 0.35486 0.29928

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.457 0.000
C2 1.159 -0.362 0.000
N3 -1.280 0.037 0.000
H4 0.129 1.543 0.000
H5 2.158 0.075 0.000
H6 1.078 -1.452 0.000
H7 -1.356 -0.999 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.41891.34751.09362.19202.19291.9903
C21.41892.47142.16521.09081.09382.5946
N31.34752.47142.06303.43892.78911.0392
H41.09362.16522.06302.50473.14232.9448
H52.19201.09083.43892.50471.87093.6751
H62.19291.09382.78913.14231.87092.4759
H71.99032.59461.03922.94483.67512.4759

picture of vinylazine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.166 C1 C2 H6 121.009
C1 N3 H7 112.363 C2 C1 N3 126.577
C2 C1 H4 118.458 N3 C1 H4 114.964
H5 C2 H6 117.825
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability