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All results from a given calculation for CH2CHNH (vinylazine)

using model chemistry: QCISD/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 QCISD/6-31G(2df,p)
 hartrees
Energy at 0K-132.982604
Energy at 298.15K-132.986787
HF Energy-132.481937
Nuclear repulsion energy64.836346
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/6-31G(2df,p)
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' 3504 3320 0.05      
2 A' 3320 3145 2.30      
3 A' 3208 3039 2.31      
4 A' 3127 2963 32.58      
5 A' 1522 1442 10.72      
6 A' 1473 1395 4.23      
7 A' 1373 1300 26.90      
8 A' 1256 1190 10.66      
9 A' 1111 1053 19.45      
10 A' 1005 953 8.69      
11 A' 484 458 11.87      
12 A" 1066 1010 0.18      
13 A" 805 763 6.90      
14 A" 695 659 98.32      
15 A" 533 505 3.99      

Unscaled Zero Point Vibrational Energy (zpe) 12240.9 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 11597.1 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/6-31G(2df,p)
ABC
2.08210 0.36640 0.31157

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.420 0.000
C2 1.153 -0.378 0.000
N3 -1.192 -0.136 0.000
H4 0.136 1.504 0.000
H5 2.143 0.059 0.000
H6 1.052 -1.456 0.000
H7 -1.904 0.596 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40301.31581.09262.17302.15091.9123
C21.40302.35832.14031.08161.08233.2091
N31.31582.35832.11073.34082.60341.0209
H41.09262.14032.11072.47353.09892.2333
H52.17301.08163.34082.47351.86674.0825
H62.15091.08232.60343.09891.86673.5982
H71.91233.20911.02092.23334.08253.5982

picture of vinylazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.456 C1 C2 H6 119.311
C1 N3 H7 109.199 C2 C1 N3 120.281
C2 C1 H4 117.568 N3 C1 H4 122.152
H5 C2 H6 119.234
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at QCISD/6-31G(2df,p)
 hartrees
Energy at 0K-132.982487
Energy at 298.15K-132.986668
HF Energy-132.481499
Nuclear repulsion energy64.849160
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/6-31G(2df,p)
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' 3460 3278 3.62      
2 A' 3302 3128 4.90      
3 A' 3194 3026 1.59      
4 A' 3180 3013 16.71      
5 A' 1516 1437 5.46      
6 A' 1470 1392 2.51      
7 A' 1394 1321 20.87      
8 A' 1245 1179 28.79      
9 A' 1139 1079 26.71      
10 A' 997 945 0.53      
11 A' 494 468 8.85      
12 A" 1100 1042 43.11      
13 A" 816 773 63.47      
14 A" 702 665 3.09      
15 A" 501 474 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 12253.9 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 11609.3 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 QCISD/6-31G(2df,p)
ABC
1.95618 0.36885 0.31034

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.453 0.000
C2 1.128 -0.383 0.000
N3 -1.257 0.065 0.000
H4 0.166 1.529 0.000
H5 2.131 0.023 0.000
H6 1.016 -1.462 0.000
H7 -1.283 -0.959 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40431.31571.08902.17412.16711.9080
C21.40432.42732.14091.08211.08432.4796
N31.31572.42732.04163.38882.73801.0244
H41.08902.14092.04162.47623.10912.8794
H52.17411.08213.38882.47621.85723.5532
H62.16711.08432.73803.10911.85722.3534
H71.90802.47961.02442.87943.55322.3534

picture of vinylazine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.412 C1 C2 H6 120.564
C1 N3 H7 108.607 C2 C1 N3 126.328
C2 C1 H4 117.781 N3 C1 H4 115.891
H5 C2 H6 118.024
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability