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All results from a given calculation for CH2CHNH (vinylazine)

using model chemistry: MP2/6-31G(2df,p)

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 MP2/6-31G(2df,p)
 hartrees
Energy at 0K-132.936914
Energy at 298.15K-132.941149
HF Energy-132.481390
Nuclear repulsion energy65.382433
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 MP2/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3549 3352 0.86      
2 A' 3366 3180 0.44      
3 A' 3242 3062 2.39      
4 A' 3136 2962 33.92      
5 A' 1525 1440 14.63      
6 A' 1475 1393 16.40      
7 A' 1399 1321 15.42      
8 A' 1254 1185 30.34      
9 A' 1058 1000 8.17      
10 A' 1017 960 10.04      
11 A' 492 465 14.52      
12 A" 1156 1092 1.23      
13 A" 844 797 2.48      
14 A" 741 700 104.63      
15 A" 541 511 1.88      

Unscaled Zero Point Vibrational Energy (zpe) 12398.1 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 11710.0 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 MP2/6-31G(2df,p)
ABC
2.11567 0.37299 0.31709

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.416 0.000
C2 1.137 -0.402 0.000
N3 -1.179 -0.107 0.000
H4 0.168 1.496 0.000
H5 2.134 0.014 0.000
H6 1.009 -1.474 0.000
H7 -1.883 0.629 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40101.28981.09322.17122.14271.8953
C21.40102.33492.13161.07931.08013.1917
N31.28982.33492.09403.31452.57951.0188
H41.09322.13162.09402.46223.08742.2272
H52.17121.07933.31452.46221.86524.0637
H62.14271.08012.57953.08741.86523.5758
H71.89533.19171.01882.22724.06373.5758

picture of vinylazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.634 C1 C2 H6 118.878
C1 N3 H7 109.816 C2 C1 N3 120.337
C2 C1 H4 116.894 N3 C1 H4 122.769
H5 C2 H6 119.488
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-132.936603
Energy at 298.15K-132.940835
HF Energy-132.481014
Nuclear repulsion energy65.375461
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 MP2/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3500 3306 1.50      
2 A' 3347 3161 1.81      
3 A' 3228 3049 1.52      
4 A' 3196 3018 15.66      
5 A' 1526 1441 8.10      
6 A' 1465 1384 0.60      
7 A' 1411 1332 22.23      
8 A' 1243 1174 44.25      
9 A' 1088 1028 32.85      
10 A' 1005 949 0.04      
11 A' 501 473 8.78      
12 A" 1182 1116 40.29      
13 A" 867 819 71.57      
14 A" 743 701 0.34      
15 A" 511 483 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 12405.2 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 11716.7 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 MP2/6-31G(2df,p)
ABC
1.98834 0.37495 0.31546

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.447 0.000
C2 1.114 -0.404 0.000
N3 -1.241 0.092 0.000
H4 0.194 1.519 0.000
H5 2.121 -0.014 0.000
H6 0.983 -1.478 0.000
H7 -1.297 -0.929 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40151.29051.08922.17052.16071.8910
C21.40152.40622.13071.08001.08192.4675
N31.29052.40622.02383.36352.72131.0225
H41.08922.13072.02382.46163.09802.8663
H52.17051.08003.36352.46161.85453.5385
H62.16071.08192.72133.09801.85452.3445
H71.89102.46751.02252.86633.53852.3445

picture of vinylazine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.474 C1 C2 H6 120.385
C1 N3 H7 109.126 C2 C1 N3 126.665
C2 C1 H4 117.075 N3 C1 H4 116.260
H5 C2 H6 118.141
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability