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All results from a given calculation for CH2CHNH (vinylazine)

using model chemistry: QCISD/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/cc-pVTZ
 hartrees
Energy at 0K-133.043638
Energy at 298.15K-133.047832
HF Energy-132.516443
Nuclear repulsion energy64.930174
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/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' 3486 3331 0.17      
2 A' 3291 3144 3.14      
3 A' 3182 3040 3.71      
4 A' 3106 2968 35.07      
5 A' 1529 1461 10.47      
6 A' 1475 1409 4.23      
7 A' 1373 1312 27.17      
8 A' 1249 1193 9.68      
9 A' 1112 1062 20.01      
10 A' 1005 960 8.86      
11 A' 488 466 12.13      
12 A" 1064 1016 0.07      
13 A" 812 776 8.78      
14 A" 691 661 100.98      
15 A" 528 504 4.60      

Unscaled Zero Point Vibrational Energy (zpe) 12194.8 cm-1
Scaled (by 0.9555) Zero Point Vibrational Energy (zpe) 11652.2 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 QCISD/cc-pVTZ
ABC
2.09390 0.36696 0.31224

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.419 0.000
C2 1.153 -0.378 0.000
N3 -1.191 -0.135 0.000
H4 0.132 1.500 0.000
H5 2.139 0.062 0.000
H6 1.052 -1.453 0.000
H7 -1.901 0.595 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40141.31391.08992.16812.14711.9095
C21.40142.35702.13771.07941.08023.2056
N31.31392.35702.10433.33592.60161.0186
H41.08992.13772.10432.46843.09342.2261
H52.16811.07943.33592.46841.86514.0749
H62.14711.08022.60163.09341.86513.5939
H71.90953.20561.01862.22614.07493.5939

picture of vinylazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.297 C1 C2 H6 119.246
C1 N3 H7 109.251 C2 C1 N3 120.432
C2 C1 H4 117.655 N3 C1 H4 121.913
H5 C2 H6 119.457
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at QCISD/cc-pVTZ
 hartrees
Energy at 0K-133.043080
Energy at 298.15K-133.047265
HF Energy-132.515663
Nuclear repulsion energy64.962896
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/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' 3436 3283 4.52      
2 A' 3274 3129 6.35      
3 A' 3168 3027 2.77      
4 A' 3156 3015 17.53      
5 A' 1520 1452 6.41      
6 A' 1468 1402 2.59      
7 A' 1393 1331 19.95      
8 A' 1238 1183 29.13      
9 A' 1138 1088 25.02      
10 A' 995 950 0.42      
11 A' 493 471 9.25      
12 A" 1092 1043 51.97      
13 A" 818 782 62.42      
14 A" 699 668 2.65      
15 A" 496 474 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 12190.7 cm-1
Scaled (by 0.9555) Zero Point Vibrational Energy (zpe) 11648.3 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/cc-pVTZ
ABC
1.95522 0.37072 0.31163

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.454 0.000
C2 1.126 -0.382 0.000
N3 -1.255 0.062 0.000
H4 0.164 1.527 0.000
H5 2.127 0.024 0.000
H6 1.009 -1.458 0.000
H7 -1.275 -0.960 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40251.31421.08622.16952.16151.9037
C21.40252.42192.13831.07981.08212.4698
N31.31422.42192.03953.38132.72651.0224
H41.08622.13832.03952.47193.10252.8738
H52.16951.07983.38132.47191.85653.5412
H62.16151.08212.72653.10251.85652.3375
H71.90372.46981.02242.87383.54122.3375

picture of vinylazine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.301 C1 C2 H6 120.351
C1 N3 H7 108.479 C2 C1 N3 126.088
C2 C1 H4 117.885 N3 C1 H4 116.026
H5 C2 H6 118.348
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability