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All results from a given calculation for CH2CHNH (vinylazine)

using model chemistry: MP2=FULL/STO-3G

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 MP2=FULL/STO-3G
 hartrees
Energy at 0K-130.933927
Energy at 298.15K-130.937953
HF Energy-130.810198
Nuclear repulsion energy63.283662
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=FULL/STO-3G
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' 3650 3244 0.13      
2 A' 3584 3186 22.05      
3 A' 3482 3095 4.87      
4 A' 3468 3083 7.36      
5 A' 1659 1475 1.96      
6 A' 1573 1398 7.87      
7 A' 1458 1296 7.64      
8 A' 1245 1107 15.64      
9 A' 1124 999 0.91      
10 A' 999 888 0.80      
11 A' 475 423 5.66      
12 A" 1083 962 0.63      
13 A" 850 756 8.04      
14 A" 704 626 35.26      
15 A" 596 530 24.55      

Unscaled Zero Point Vibrational Energy (zpe) 12974.2 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 11532.7 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=FULL/STO-3G
ABC
1.96618 0.35144 0.29815

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.428 0.000
C2 1.188 -0.292 0.000
N3 -1.224 -0.245 0.000
H4 0.053 1.533 0.000
H5 2.163 0.210 0.000
H6 1.177 -1.389 0.000
H7 -1.957 0.541 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.38971.39661.10552.17442.16491.9605
C21.38972.41272.14921.09661.09703.2541
N31.39662.41272.18813.41752.65911.0745
H41.10552.14922.18812.49093.13022.2416
H52.17441.09663.41752.49091.87894.1340
H62.16491.09702.65913.13021.87893.6802
H71.96053.25411.07452.24164.13403.6802

picture of vinylazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.537 C1 C2 H6 120.600
C1 N3 H7 104.250 C2 C1 N3 119.971
C2 C1 H4 118.487 N3 C1 H4 121.542
H5 C2 H6 117.863
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-130.935357
Energy at 298.15K-130.939417
HF Energy-130.810706
Nuclear repulsion energy63.383720
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=FULL/STO-3G
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' 3638 3234 0.14      
2 A' 3561 3165 31.03      
3 A' 3517 3126 0.26      
4 A' 3467 3082 7.16      
5 A' 1655 1471 0.84      
6 A' 1577 1402 7.35      
7 A' 1463 1300 12.82      
8 A' 1248 1110 12.83      
9 A' 1100 978 1.60      
10 A' 1031 916 5.40      
11 A' 498 442 6.30      
12 A" 1126 1001 14.83      
13 A" 849 754 16.23      
14 A" 731 650 18.82      
15 A" 586 521 8.72      

Unscaled Zero Point Vibrational Energy (zpe) 13023.1 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 11576.2 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 MP2=FULL/STO-3G
ABC
1.87497 0.35386 0.29768

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.461 0.000
C2 1.161 -0.299 0.000
N3 -1.307 -0.029 0.000
H4 0.085 1.561 0.000
H5 2.154 0.166 0.000
H6 1.120 -1.397 0.000
H7 -1.178 -1.098 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.38811.39601.10292.17412.16951.9538
C21.38812.48312.14921.09641.09822.4715
N31.39602.48312.11303.46662.78621.0767
H41.10292.14922.11302.49533.13362.9432
H52.17411.09643.46662.49531.87383.5633
H62.16951.09822.78623.13361.87382.3172
H71.95382.47151.07672.94323.56332.3172

picture of vinylazine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.657 C1 C2 H6 121.079
C1 N3 H7 103.648 C2 C1 N3 126.226
C2 C1 H4 118.812 N3 C1 H4 114.962
H5 C2 H6 117.264
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability