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All results from a given calculation for CH2CHNH (vinylazine)

using model chemistry: QCISD(T)/6-31G*

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)/6-31G*
 hartrees
Energy at 0K-132.893926
Energy at 298.15K-132.898065
HF Energy-132.464283
Nuclear repulsion energy64.488941
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)/6-31G*
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' 3397 3259        
2 A' 3284 3151        
3 A' 3178 3049        
4 A' 3080 2955        
5 A' 1536 1473        
6 A' 1480 1420        
7 A' 1377 1321        
8 A' 1261 1209        
9 A' 1122 1076        
10 A' 1006 965        
11 A' 489 469        
12 A" 1037 995        
13 A" 762 731        
14 A" 683 655        
15 A" 520 499        

Unscaled Zero Point Vibrational Energy (zpe) 12105.5 cm-1
Scaled (by 0.9593) Zero Point Vibrational Energy (zpe) 11612.8 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)/6-31G*
ABC
2.04517 0.36378 0.30885

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.426 0.000
C2 1.158 -0.376 0.000
N3 -1.196 -0.144 0.000
H4 0.133 1.517 0.000
H5 2.153 0.062 0.000
H6 1.058 -1.459 0.000
H7 -1.920 0.589 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40831.32491.09932.18392.16121.9269
C21.40832.36572.15211.08741.08773.2258
N31.32492.36572.12743.35602.60971.0303
H41.09932.15212.12742.48933.11602.2530
H52.18391.08743.35602.48931.87434.1073
H62.16121.08772.60973.11601.87433.6144
H71.92693.22581.03032.25304.10733.6144

picture of vinylazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.576 C1 C2 H6 119.405
C1 N3 H7 109.160 C2 C1 N3 119.858
C2 C1 H4 117.712 N3 C1 H4 122.430
H5 C2 H6 119.020
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at QCISD(T)/6-31G*
 hartrees
Energy at 0K-132.893549
Energy at 298.15K-132.897689
HF Energy-132.463625
Nuclear repulsion energy64.462247
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)/6-31G*
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' 3345 3208        
2 A' 3264 3131        
3 A' 3162 3033        
4 A' 3146 3018        
5 A' 1528 1466        
6 A' 1478 1418        
7 A' 1396 1339        
8 A' 1251 1200        
9 A' 1150 1103        
10 A' 1000 959        
11 A' 499 479        
12 A" 1077 1033        
13 A" 775 743        
14 A" 684 656        
15 A" 493 473        

Unscaled Zero Point Vibrational Energy (zpe) 12122.7 cm-1
Scaled (by 0.9593) Zero Point Vibrational Energy (zpe) 11629.3 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(T)/6-31G*
ABC
1.93693 0.36435 0.30667

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.454 0.000
C2 1.136 -0.381 0.000
N3 -1.266 0.062 0.000
H4 0.158 1.538 0.000
H5 2.143 0.029 0.000
H6 1.030 -1.466 0.000
H7 -1.288 -0.972 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40991.32511.09482.18522.17951.9219
C21.40992.44212.15311.08771.09052.4950
N31.32512.44212.05083.40932.75811.0344
H41.09482.15312.05082.49323.12792.8968
H52.18521.08773.40932.49321.86413.5745
H62.17951.09052.75813.12791.86412.3704
H71.92192.49501.03442.89683.57452.3704

picture of vinylazine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.536 C1 C2 H6 120.774
C1 N3 H7 108.457 C2 C1 N3 126.452
C2 C1 H4 118.007 N3 C1 H4 115.542
H5 C2 H6 117.691
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability