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All results from a given calculation for CH2CHNH (vinylazine)

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/6-31G*
 hartrees
Energy at 0K-133.143414
Energy at 298.15K-133.147599
HF Energy-133.012716
Nuclear repulsion energy64.884534
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 B2PLYP=FULL/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' 3459 3281 2.46      
2 A' 3323 3152 4.86      
3 A' 3215 3049 3.59      
4 A' 3103 2943 48.94      
5 A' 1544 1465 9.81      
6 A' 1495 1418 2.26      
7 A' 1392 1320 36.54      
8 A' 1271 1206 9.56      
9 A' 1120 1062 21.45      
10 A' 1015 963 10.23      
11 A' 495 469 12.00      
12 A" 1074 1018 0.57      
13 A" 804 762 7.43      
14 A" 699 663 115.65      
15 A" 535 507 3.81      

Unscaled Zero Point Vibrational Energy (zpe) 12271.4 cm-1
Scaled (by 0.9484) Zero Point Vibrational Energy (zpe) 11638.2 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 B2PLYP=FULL/6-31G*
ABC
2.08678 0.36717 0.31224

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.419 0.000
C2 1.151 -0.379 0.000
N3 -1.191 -0.134 0.000
H4 0.144 1.505 0.000
H5 2.143 0.055 0.000
H6 1.049 -1.457 0.000
H7 -1.908 0.597 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40101.31291.09532.17352.14971.9163
C21.40102.35462.13661.08241.08293.2112
N31.31292.35462.11353.33872.60121.0240
H41.09532.13662.11352.46953.09742.2440
H52.17351.08243.33872.46951.86634.0869
H62.14971.08292.60123.09741.86633.6003
H71.91633.21121.02402.24404.08693.6003

picture of vinylazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.613 C1 C2 H6 119.321
C1 N3 H7 109.557 C2 C1 N3 120.335
C2 C1 H4 117.199 N3 C1 H4 122.466
H5 C2 H6 119.066
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at B2PLYP=FULL/6-31G*
 hartrees
Energy at 0K-133.143112
Energy at 298.15K-133.147282
HF Energy-133.012260
Nuclear repulsion energy64.868909
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 B2PLYP=FULL/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' 3406 3230 12.60      
2 A' 3303 3133 8.73      
3 A' 3198 3033 3.66      
4 A' 3172 3008 23.64      
5 A' 1537 1457 4.88      
6 A' 1485 1408 3.52      
7 A' 1410 1337 14.72      
8 A' 1261 1196 41.61      
9 A' 1149 1089 25.37      
10 A' 1006 954 0.24      
11 A' 499 473 8.69      
12 A" 1107 1050 47.88      
13 A" 816 773 72.91      
14 A" 699 663 4.02      
15 A" 495 470 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 12271.0 cm-1
Scaled (by 0.9484) Zero Point Vibrational Energy (zpe) 11637.9 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 B2PLYP=FULL/6-31G*
ABC
1.97185 0.36819 0.31025

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.448 0.000
C2 1.129 -0.384 0.000
N3 -1.257 0.070 0.000
H4 0.167 1.526 0.000
H5 2.132 0.023 0.000
H6 1.022 -1.464 0.000
H7 -1.297 -0.957 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40251.31251.09062.17402.16831.9124
C21.40252.42852.13861.08291.08522.4926
N31.31252.42852.03643.38932.74721.0279
H41.09062.13862.03642.47383.11002.8826
H52.17401.08293.38932.47381.85603.5665
H62.16831.08522.74723.11001.85602.3738
H71.91242.49261.02792.88263.56652.3738

picture of vinylazine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.488 C1 C2 H6 120.759
C1 N3 H7 108.987 C2 C1 N3 126.848
C2 C1 H4 117.597 N3 C1 H4 115.555
H5 C2 H6 117.752
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability