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All results from a given calculation for CH2CHNH (vinylazine)

using model chemistry: QCISD/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/TZVP
 hartrees
Energy at 0K-132.971331
Energy at 298.15K-132.975448
HF Energy-132.512207
Nuclear repulsion energy64.835543
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/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' 3478 3322 1.29      
2 A' 3305 3157 4.53      
3 A' 3194 3051 4.22      
4 A' 3115 2975 37.12      
5 A' 1536 1467 7.75      
6 A' 1483 1417 2.92      
7 A' 1370 1309 24.74      
8 A' 1254 1198 7.77      
9 A' 1114 1064 21.30      
10 A' 1009 963 7.83      
11 A' 496 473 12.27      
12 A" 1039 992 0.60      
13 A" 696 664 5.36      
14 A" 658 629 115.22      
15 A" 506 483 5.46      

Unscaled Zero Point Vibrational Energy (zpe) 12124.8 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 11582.8 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/TZVP
ABC
2.08686 0.36605 0.31143

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.419 0.000
C2 1.155 -0.376 0.000
N3 -1.193 -0.139 0.000
H4 0.128 1.503 0.000
H5 2.141 0.067 0.000
H6 1.059 -1.453 0.000
H7 -1.904 0.594 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40171.31711.09172.16932.15061.9122
C21.40172.35992.14101.08081.08163.2090
N31.31712.35992.10733.34022.60751.0213
H41.09172.14102.10732.47243.09922.2258
H52.16931.08083.34022.47241.86584.0790
H62.15061.08162.60753.09921.86583.6016
H71.91223.20901.02132.22584.07903.6016

picture of vinylazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.281 C1 C2 H6 119.444
C1 N3 H7 109.061 C2 C1 N3 120.420
C2 C1 H4 117.804 N3 C1 H4 121.776
H5 C2 H6 119.275
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at QCISD/TZVP
 hartrees
Energy at 0K-132.970133
Energy at 298.15K-132.974211
HF Energy-132.511117
Nuclear repulsion energy64.854631
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/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' 3429 3276 9.24      
2 A' 3289 3142 8.45      
3 A' 3180 3038 3.20      
4 A' 3170 3028 20.14      
5 A' 1527 1459 4.39      
6 A' 1476 1410 2.94      
7 A' 1381 1320 15.03      
8 A' 1237 1182 26.40      
9 A' 1137 1087 22.23      
10 A' 996 952 0.28      
11 A' 497 475 9.94      
12 A" 1062 1015 66.71      
13 A" 670 640 46.92      
14 A" 643 614 8.74      
15 A" 476 455 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 12085.1 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 11544.9 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/TZVP
ABC
1.95439 0.36910 0.31046

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.453 0.000
C2 1.129 -0.381 0.000
N3 -1.258 0.062 0.000
H4 0.161 1.529 0.000
H5 2.129 0.029 0.000
H6 1.018 -1.459 0.000
H7 -1.276 -0.963 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40351.31721.08762.17062.16621.9065
C21.40352.42712.14111.08101.08372.4746
N31.31722.42712.04063.38672.73711.0250
H41.08762.14112.04062.47423.10832.8766
H52.17061.08103.38672.47421.85713.5469
H62.16621.08372.73713.10831.85712.3474
H71.90652.47461.02502.87663.54692.3474

picture of vinylazine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.231 C1 C2 H6 120.601
C1 N3 H7 108.330 C2 C1 N3 126.253
C2 C1 H4 117.964 N3 C1 H4 115.783
H5 C2 H6 118.168
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability