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All results from a given calculation for CH2CHNH (vinylazine)

using model chemistry: QCISD(T)/aug-cc-pVTZ

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)/aug-cc-pVTZ
 hartrees
Energy at 0K-133.075979
Energy at 298.15K-133.080097
HF Energy-132.518273
Nuclear repulsion energy64.750303
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)/aug-cc-pVTZ
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' 3441 3327        
2 A' 3261 3152        
3 A' 3145 3041        
4 A' 3073 2971        
5 A' 1501 1451        
6 A' 1449 1401        
7 A' 1352 1308        
8 A' 1228 1187        
9 A' 1095 1058        
10 A' 980 948        
11 A' 474 459        
12 A" 1026 992        
13 A" 793 766        
14 A" 672 650        
15 A" 484 468        

Unscaled Zero Point Vibrational Energy (zpe) 11986.8 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 11588.8 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(T)/aug-cc-pVTZ
ABC
2.07532 0.36547 0.31075

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.422 0.000
C2 1.156 -0.377 0.000
N3 -1.193 -0.139 0.000
H4 0.127 1.507 0.000
H5 2.142 0.069 0.000
H6 1.058 -1.456 0.000
H7 -1.915 0.584 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40501.31801.09262.17092.15481.9216
C21.40502.36102.14621.08181.08363.2177
N31.31802.36102.10973.34142.60751.0218
H41.09262.14622.10972.47553.10532.2405
H52.17091.08183.34142.47551.87074.0893
H62.15481.08362.60753.10531.87073.6051
H71.92163.21771.02182.24054.08933.6051

picture of vinylazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.072 C1 C2 H6 119.410
C1 N3 H7 109.773 C2 C1 N3 120.206
C2 C1 H4 117.942 N3 C1 H4 121.851
H5 C2 H6 119.518
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at QCISD(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-133.075226
Energy at 298.15K-133.079327
HF Energy-132.517335
Nuclear repulsion energy64.783588
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)/aug-cc-pVTZ
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' 3393 3280        
2 A' 3248 3140        
3 A' 3137 3032        
4 A' 3125 3021        
5 A' 1491 1442        
6 A' 1442 1394        
7 A' 1371 1325        
8 A' 1222 1182        
9 A' 1125 1088        
10 A' 973 940        
11 A' 473 458        
12 A" 1067 1031        
13 A" 802 775        
14 A" 668 646        
15 A" 452 437        

Unscaled Zero Point Vibrational Energy (zpe) 11994.6 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 11596.4 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)/aug-cc-pVTZ
ABC
1.94130 0.36895 0.31002

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.456 0.000
C2 1.130 -0.381 0.000
N3 -1.258 0.059 0.000
H4 0.160 1.533 0.000
H5 2.131 0.030 0.000
H6 1.012 -1.459 0.000
H7 -1.280 -0.966 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40571.31861.08882.17332.16551.9134
C21.40572.42772.14501.08211.08482.4805
N31.31862.42772.04483.38892.73041.0257
H41.08882.14502.04482.47863.11052.8844
H52.17331.08213.38892.47861.86273.5541
H62.16551.08482.73043.11051.86272.3446
H71.91342.48051.02572.88443.55412.3446

picture of vinylazine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.208 C1 C2 H6 120.249
C1 N3 H7 108.772 C2 C1 N3 126.002
C2 C1 H4 118.042 N3 C1 H4 115.956
H5 C2 H6 118.543
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability