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All results from a given calculation for CH2CHNH (vinylazine)

using model chemistry: CCD/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 CCD/6-31G(2df,p)
 hartrees
Energy at 0K-132.970507
Energy at 298.15K-132.974743
HF Energy-132.481837
Nuclear repulsion energy65.195876
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 CCD/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' 3536 3349 0.13      
2 A' 3340 3163 1.37      
3 A' 3225 3055 2.62      
4 A' 3138 2972 30.93      
5 A' 1530 1450 16.18      
6 A' 1477 1399 15.77      
7 A' 1389 1316 14.80      
8 A' 1245 1179 28.20      
9 A' 1077 1020 4.51      
10 A' 1020 966 9.43      
11 A' 492 466 13.13      
12 A" 1123 1064 0.45      
13 A" 843 798 7.05      
14 A" 729 691 99.62      
15 A" 553 524 3.28      

Unscaled Zero Point Vibrational Energy (zpe) 12357.7 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 11705.2 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 CCD/6-31G(2df,p)
ABC
2.10948 0.37052 0.31516

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/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 1.144 -0.387 0.000
N3 -1.184 -0.123 0.000
H4 0.147 1.499 0.000
H5 2.136 0.042 0.000
H6 1.035 -1.463 0.000
H7 -1.894 0.609 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.39811.30111.09242.16842.14521.9037
C21.39812.34352.13301.08061.08123.1972
N31.30112.34352.09813.32432.59251.0191
H41.09242.13302.09812.46483.09162.2269
H52.16841.08063.32432.46481.86474.0695
H62.14521.08122.59253.09161.86473.5875
H71.90373.19721.01912.22694.06953.5875

picture of vinylazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.518 C1 C2 H6 119.271
C1 N3 H7 109.673 C2 C1 N3 120.465
C2 C1 H4 117.314 N3 C1 H4 122.222
H5 C2 H6 119.211
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at CCD/6-31G(2df,p)
 hartrees
Energy at 0K-132.970156
Energy at 298.15K-132.974395
HF Energy-132.481431
Nuclear repulsion energy65.204915
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 CCD/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' 3491 3307 2.36      
2 A' 3322 3146 3.30      
3 A' 3212 3043 1.66      
4 A' 3190 3022 15.87      
5 A' 1528 1447 6.67      
6 A' 1473 1395 1.21      
7 A' 1397 1323 30.89      
8 A' 1234 1169 32.77      
9 A' 1104 1046 29.23      
10 A' 1011 957 0.28      
11 A' 503 476 8.85      
12 A" 1149 1088 41.15      
13 A" 856 811 68.38      
14 A" 738 699 2.96      
15 A" 528 500 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 12367.3 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 11714.3 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 CCD/6-31G(2df,p)
ABC
1.97504 0.37338 0.31402

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.449 0.000
C2 1.119 -0.390 0.000
N3 -1.247 0.075 0.000
H4 0.177 1.523 0.000
H5 2.123 0.012 0.000
H6 1.003 -1.466 0.000
H7 -1.289 -0.947 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.39841.30201.08892.16772.16181.9002
C21.39842.41142.13221.08111.08312.4721
N31.30202.41142.03153.37082.72681.0225
H41.08892.13222.03152.46413.10142.8727
H52.16771.08113.37082.46411.85483.5445
H62.16181.08312.72683.10141.85482.3499
H71.90022.47211.02252.87273.54452.3499

picture of vinylazine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.376 C1 C2 H6 120.657
C1 N3 H7 109.070 C2 C1 N3 126.455
C2 C1 H4 117.475 N3 C1 H4 116.069
H5 C2 H6 117.967
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability