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All results from a given calculation for CH2CHNH (vinylazine)

using model chemistry: QCISD/6-31G*

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 QCISD/6-31G*
 hartrees
Energy at 0K-132.881242
Energy at 298.15K-132.885402
HF Energy-132.464523
Nuclear repulsion energy64.590410
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/6-31G*
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' 3429 3266 4.32      
2 A' 3300 3143 5.66      
3 A' 3195 3043 4.15      
4 A' 3105 2957 40.73      
5 A' 1545 1471 10.12      
6 A' 1489 1418 3.68      
7 A' 1386 1320 29.44      
8 A' 1265 1205 9.81      
9 A' 1128 1074 22.27      
10 A' 1013 965 7.77      
11 A' 494 470 12.37      
12 A" 1047 997 0.26      
13 A" 771 735 3.36      
14 A" 691 658 126.38      
15 A" 526 501 3.53      

Unscaled Zero Point Vibrational Energy (zpe) 12192.7 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 11611.1 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/6-31G*
ABC
2.05662 0.36457 0.30967

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.424 0.000
C2 1.157 -0.375 0.000
N3 -1.195 -0.143 0.000
H4 0.132 1.513 0.000
H5 2.151 0.062 0.000
H6 1.058 -1.457 0.000
H7 -1.918 0.589 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40611.32241.09732.18112.15811.9247
C21.40612.36312.14891.08601.08633.2220
N31.32242.36312.12193.35202.60801.0282
H41.09732.14892.12192.48653.11142.2485
H52.18111.08603.35202.48651.87164.1025
H62.15811.08632.60803.11141.87163.6107
H71.92473.22201.02822.24854.10253.6107

picture of vinylazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.608 C1 C2 H6 119.407
C1 N3 H7 109.297 C2 C1 N3 119.984
C2 C1 H4 117.741 N3 C1 H4 122.275
H5 C2 H6 118.985
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at QCISD/6-31G*
 hartrees
Energy at 0K-132.880791
Energy at 298.15K-132.884938
HF Energy-132.463900
Nuclear repulsion energy64.570808
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/6-31G*
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' 3381 3220 13.44      
2 A' 3282 3126 9.29      
3 A' 3180 3028 2.71      
4 A' 3167 3016 22.27      
5 A' 1533 1460 5.12      
6 A' 1484 1413 3.60      
7 A' 1401 1334 22.30      
8 A' 1256 1196 28.92      
9 A' 1153 1098 26.20      
10 A' 1004 957 0.59      
11 A' 499 475 9.20      
12 A" 1082 1031 56.00      
13 A" 783 745 73.56      
14 A" 685 652 1.43      
15 A" 494 470 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 12192.1 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 11610.6 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/6-31G*
ABC
1.94324 0.36554 0.30767

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.453 0.000
C2 1.134 -0.381 0.000
N3 -1.263 0.062 0.000
H4 0.159 1.535 0.000
H5 2.140 0.029 0.000
H6 1.030 -1.465 0.000
H7 -1.291 -0.969 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40811.32211.09292.18122.17751.9206
C21.40812.43772.15011.08631.08872.4947
N31.32212.43772.04663.40282.75521.0318
H41.09292.15012.04662.48803.12382.8928
H52.18121.08633.40282.48801.86153.5726
H62.17751.08872.75523.12381.86152.3730
H71.92062.49471.03182.89283.57262.3730

picture of vinylazine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.420 C1 C2 H6 120.876
C1 N3 H7 108.727 C2 C1 N3 126.445
C2 C1 H4 118.014 N3 C1 H4 115.541
H5 C2 H6 117.704
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability