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All results from a given calculation for CH2CHNH (vinylazine)

using model chemistry: MP4/aug-cc-pVDZ

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 MP4/aug-cc-pVDZ
 hartrees
Energy at 0K-132.950544
Energy at 298.15K-132.954721
HF Energy-132.487061
Nuclear repulsion energy64.488847
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 MP4/6-31G*
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' 3426 3347        
2 A' 3307 3231        
3 A' 3198 3124        
4 A' 3089 3018        
5 A' 1542 1506        
6 A' 1485 1450        
7 A' 1393 1361        
8 A' 1252 1223        
9 A' 1094 1069        
10 A' 1020 996        
11 A' 498 486        
12 A" 1102 1077        
13 A" 804 785        
14 A" 722 705        
15 A" 545 533        

Unscaled Zero Point Vibrational Energy (zpe) 12237.5 cm-1
Scaled (by 0.9769) Zero Point Vibrational Energy (zpe) 11954.8 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 MP4/aug-cc-pVDZ
ABC
2.05408 0.36317 0.30861

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.422 0.000
C2 1.156 -0.394 0.000
N3 -1.196 -0.123 0.000
H4 0.149 1.517 0.000
H5 2.158 0.044 0.000
H6 1.042 -1.483 0.000
H7 -1.911 0.617 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.41481.31451.10552.19082.17091.9212
C21.41482.36732.16051.09361.09463.2294
N31.31452.36732.12143.35812.61831.0295
H41.10552.16052.12142.49183.13022.2480
H52.19081.09363.35812.49181.89084.1094
H62.17091.09462.61833.13021.89083.6235
H71.92123.22941.02952.24804.10943.6235

picture of vinylazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.183 C1 C2 H6 119.250
C1 N3 H7 109.494 C2 C1 N3 120.267
C2 C1 H4 117.493 N3 C1 H4 122.240
H5 C2 H6 119.567
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at MP4/aug-cc-pVDZ
 hartrees
Energy at 0K-132.949653
Energy at 298.15K-132.953866
HF Energy-132.486096
Nuclear repulsion energy64.487631
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 MP4/6-31G*
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' 3367 3289        
2 A' 3286 3210        
3 A' 3177 3104        
4 A' 3152 3080        
5 A' 1533 1498        
6 A' 1472 1438        
7 A' 1398 1366        
8 A' 1240 1211        
9 A' 1120 1094        
10 A' 1009 986        
11 A' 498 487        
12 A" 1133 1107        
13 A" 818 799        
14 A" 713 697        
15 A" 509 497        

Unscaled Zero Point Vibrational Energy (zpe) 12212.9 cm-1
Scaled (by 0.9769) Zero Point Vibrational Energy (zpe) 11930.8 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 MP4/aug-cc-pVDZ
ABC
1.92857 0.36550 0.30727

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.454 0.000
C2 1.132 -0.396 0.000
N3 -1.260 0.077 0.000
H4 0.179 1.541 0.000
H5 2.147 0.010 0.000
H6 1.003 -1.486 0.000
H7 -1.296 -0.956 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.41551.31551.10162.19262.18401.9158
C21.41552.43832.15911.09391.09712.4916
N31.31552.43832.05293.40822.75071.0343
H41.10162.15912.05292.49383.13722.9007
H52.19261.09393.40822.49381.88323.5766
H62.18401.09712.75073.13721.88322.3596
H71.91582.49161.03432.90073.57662.3596

picture of vinylazine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.266 C1 C2 H6 120.208
C1 N3 H7 108.642 C2 C1 N3 126.421
C2 C1 H4 117.592 N3 C1 H4 115.987
H5 C2 H6 118.526
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability