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All results from a given calculation for CH2CHNH (vinylazine)

using model chemistry: QCISD/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS cis 2A"
1 2 yes CS trans 2A"

Conformer 1 (CS cis)

Jump to S1C2
Energy calculated at QCISD/3-21G
 hartrees
Energy at 0K-132.007504
Energy at 298.15K-132.011668
HF Energy-131.719048
Nuclear repulsion energy64.026185
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/3-21G
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' 3244 3144 6.11      
2 A' 3234 3134 17.83      
3 A' 3140 3044 3.93      
4 A' 3044 2950 37.20      
5 A' 1534 1486 6.90      
6 A' 1498 1452 11.11      
7 A' 1330 1289 41.09      
8 A' 1190 1153 5.06      
9 A' 1071 1038 17.02      
10 A' 995 965 13.33      
11 A' 490 475 12.06      
12 A" 1037 1005 0.15      
13 A" 775 751 11.27      
14 A" 693 671 129.42      
15 A" 541 524 7.47      

Unscaled Zero Point Vibrational Energy (zpe) 11906.6 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 11539.9 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/3-21G
ABC
2.02975 0.35782 0.30419

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.429 0.000
C2 1.173 -0.349 0.000
N3 -1.206 -0.173 0.000
H4 0.121 1.520 0.000
H5 2.161 0.106 0.000
H6 1.089 -1.434 0.000
H7 -1.970 0.533 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40761.34741.09762.18482.15791.9730
C21.40762.38502.14501.08741.08793.2647
N31.34742.38502.15033.37782.61851.0408
H41.09762.14502.15032.48243.10862.3120
H52.18481.08743.37782.48241.87564.1531
H62.15791.08792.61853.10861.87563.6373
H71.97303.26471.04082.31204.15313.6373

picture of vinylazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.722 C1 C2 H6 119.148
C1 N3 H7 110.762 C2 C1 N3 119.915
C2 C1 H4 117.249 N3 C1 H4 122.836
H5 C2 H6 119.131
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at QCISD/3-21G
 hartrees
Energy at 0K-132.008207
Energy at 298.15K-132.012365
HF Energy-131.719165
Nuclear repulsion energy63.931826
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/3-21G
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' 3223 3123 13.45      
2 A' 3177 3079 35.21      
3 A' 3127 3031 2.19      
4 A' 3120 3024 12.29      
5 A' 1542 1494 5.12      
6 A' 1469 1424 6.71      
7 A' 1383 1340 44.41      
8 A' 1138 1103 42.75      
9 A' 1117 1083 0.65      
10 A' 995 964 0.11      
11 A' 495 479 8.90      
12 A" 1073 1040 55.72      
13 A" 795 771 74.35      
14 A" 691 670 5.10      
15 A" 508 492 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 11925.8 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 11558.5 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/3-21G
ABC
1.93925 0.35580 0.30064

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.451 0.000
C2 1.156 -0.354 0.000
N3 -1.283 0.036 0.000
H4 0.135 1.534 0.000
H5 2.150 0.088 0.000
H6 1.089 -1.443 0.000
H7 -1.327 -1.009 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40831.34851.09152.18022.18401.9727
C21.40832.46982.14611.08781.09082.5673
N31.34852.46982.06283.43322.79471.0460
H41.09152.14612.06282.47993.12552.9333
H52.18021.08783.43322.47991.86253.6453
H62.18401.09082.79473.12551.86252.4536
H71.97272.56731.04602.93333.64532.4536

picture of vinylazine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.186 C1 C2 H6 121.315
C1 N3 H7 110.303 C2 C1 N3 127.231
C2 C1 H4 117.741 N3 C1 H4 115.028
H5 C2 H6 117.499
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability