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All results from a given calculation for CH2CHNH (vinylazine)

using model chemistry: QCISD(T)/TZVP

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(T)/TZVP
 hartrees
Energy at 0K-132.987917
Energy at 298.15K-132.991977
HF Energy-132.512009
Nuclear repulsion energy64.720221
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(T)/TZVP
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' 3442 3316        
2 A' 3288 3167        
3 A' 3174 3057        
4 A' 3089 2975        
5 A' 1521 1466        
6 A' 1469 1415        
7 A' 1358 1308        
8 A' 1245 1199        
9 A' 1106 1065        
10 A' 995 958        
11 A' 487 469        
12 A" 1020 982        
13 A" 669 644        
14 A" 638 614        
15 A" 482 464        

Unscaled Zero Point Vibrational Energy (zpe) 11990.7 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 11549.4 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(T)/TZVP
ABC
2.07399 0.36512 0.31046

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.421 0.000
C2 1.156 -0.376 0.000
N3 -1.195 -0.140 0.000
H4 0.130 1.506 0.000
H5 2.143 0.068 0.000
H6 1.061 -1.455 0.000
H7 -1.906 0.596 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40421.31991.09372.17162.15511.9143
C21.40422.36302.14431.08201.08323.2132
N31.31992.36302.11353.34412.61121.0238
H41.09372.14432.11352.47393.10472.2305
H52.17161.08203.34412.47391.86854.0833
H62.15511.08322.61123.10471.86853.6073
H71.91433.21321.02382.23054.08333.6073

picture of vinylazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.176 C1 C2 H6 119.525
C1 N3 H7 108.880 C2 C1 N3 120.289
C2 C1 H4 117.746 N3 C1 H4 121.965
H5 C2 H6 119.299
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at QCISD(T)/TZVP
 hartrees
Energy at 0K-132.986743
Energy at 298.15K-132.990787
HF Energy-132.510858
Nuclear repulsion energy64.723903
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(T)/TZVP
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' 3387 3262        
2 A' 3272 3151        
3 A' 3162 3045        
4 A' 3147 3031        
5 A' 1517 1461        
6 A' 1467 1413        
7 A' 1374 1324        
8 A' 1232 1186        
9 A' 1132 1091        
10 A' 989 952        
11 A' 495 477        
12 A" 1054 1015        
13 A" 654 630        
14 A" 620 597        
15 A" 466 449        

Unscaled Zero Point Vibrational Energy (zpe) 11983.2 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 11542.2 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 QCISD(T)/TZVP
ABC
1.94643 0.36764 0.30924

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.454 0.000
C2 1.131 -0.381 0.000
N3 -1.261 0.062 0.000
H4 0.160 1.532 0.000
H5 2.133 0.028 0.000
H6 1.018 -1.461 0.000
H7 -1.274 -0.967 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40631.32031.08972.17542.16881.9081
C21.40632.43242.14561.08231.08542.4749
N31.32032.43242.04483.39392.74041.0284
H41.08972.14562.04482.48103.11342.8809
H52.17541.08233.39392.48101.86003.5489
H62.16881.08542.74043.11341.86002.3442
H71.90812.47491.02842.88093.54892.3442

picture of vinylazine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.338 C1 C2 H6 120.471
C1 N3 H7 108.023 C2 C1 N3 126.247
C2 C1 H4 117.995 N3 C1 H4 115.757
H5 C2 H6 118.191
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability