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All results from a given calculation for CH2CHNH (vinylazine)

using model chemistry: B2PLYP=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS cis 2A"
1 2 yes CS trans 2A"

Conformer 1 (CS cis)

Jump to S1C2
Energy calculated at B2PLYP=FULL/3-21G
 hartrees
Energy at 0K-132.357677
Energy at 298.15K-132.361900
HF Energy-132.269146
Nuclear repulsion energy64.591599
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 B2PLYP=FULL/3-21G
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' 3308 3149 4.24      
2 A' 3299 3140 10.02      
3 A' 3199 3046 3.01      
4 A' 3082 2934 43.64      
5 A' 1546 1472 7.66      
6 A' 1508 1436 14.60      
7 A' 1341 1277 41.55      
8 A' 1223 1164 5.10      
9 A' 1083 1031 14.05      
10 A' 1013 964 19.79      
11 A' 497 473 11.61      
12 A" 1079 1027 0.19      
13 A" 831 791 21.21      
14 A" 704 670 125.37      
15 A" 561 534 10.78      

Unscaled Zero Point Vibrational Energy (zpe) 12136.9 cm-1
Scaled (by 0.952) Zero Point Vibrational Energy (zpe) 11554.3 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 B2PLYP=FULL/3-21G
ABC
2.07128 0.36421 0.30975

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.423 0.000
C2 1.162 -0.350 0.000
N3 -1.194 -0.165 0.000
H4 0.131 1.508 0.000
H5 2.144 0.100 0.000
H6 1.072 -1.428 0.000
H7 -1.956 0.537 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.39531.33151.09272.16842.13911.9593
C21.39532.36322.12421.08101.08163.2413
N31.33152.36322.13483.34922.59461.0361
H41.09272.12422.13482.45603.08272.3021
H52.16841.08103.34922.45601.86694.1234
H62.13911.08162.59463.08271.86693.6099
H71.95933.24131.03612.30214.12343.6099

picture of vinylazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.731 C1 C2 H6 118.904
C1 N3 H7 111.085 C2 C1 N3 120.133
C2 C1 H4 116.733 N3 C1 H4 123.133
H5 C2 H6 119.365
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at B2PLYP=FULL/3-21G
 hartrees
Energy at 0K-132.358367
Energy at 298.15K-132.362577
HF Energy-132.269518
Nuclear repulsion energy64.500700
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 B2PLYP=FULL/3-21G
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' 3284 3127 10.93      
2 A' 3239 3083 29.19      
3 A' 3180 3028 2.88      
4 A' 3167 3015 13.35      
5 A' 1556 1481 6.23      
6 A' 1478 1407 5.51      
7 A' 1398 1331 41.12      
8 A' 1162 1106 54.09      
9 A' 1132 1078 0.13      
10 A' 1017 969 0.04      
11 A' 500 476 8.37      
12 A" 1110 1057 53.10      
13 A" 846 805 80.88      
14 A" 709 675 9.08      
15 A" 519 494 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 12148.4 cm-1
Scaled (by 0.952) Zero Point Vibrational Energy (zpe) 11565.2 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 B2PLYP=FULL/3-21G
ABC
1.97824 0.36221 0.30615

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.444 0.000
C2 1.144 -0.355 0.000
N3 -1.270 0.043 0.000
H4 0.144 1.521 0.000
H5 2.133 0.083 0.000
H6 1.073 -1.437 0.000
H7 -1.325 -0.997 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.39581.33211.08662.16392.16551.9580
C21.39582.44722.12601.08161.08442.5517
N31.33212.44722.04603.40402.77121.0416
H41.08662.12602.04602.45473.10042.9157
H52.16391.08163.40402.45471.85333.6233
H62.16551.08442.77123.10041.85332.4379
H71.95802.55171.04162.91573.62332.4379

picture of vinylazine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.203 C1 C2 H6 121.136
C1 N3 H7 110.549 C2 C1 N3 127.545
C2 C1 H4 117.294 N3 C1 H4 115.161
H5 C2 H6 117.661
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability