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All results from a given calculation for CH2CHNH (vinylazine)

using model chemistry: MP2=FULL/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 MP2=FULL/3-21G*
 hartrees
Energy at 0K-131.968501
Energy at 298.15K-131.972751
HF Energy-131.719746
Nuclear repulsion energy64.635958
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 MP2=FULL/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' 3336 3162 8.20      
2 A' 3320 3147 4.37      
3 A' 3210 3043 3.32      
4 A' 3102 2941 38.76      
5 A' 1566 1485 9.12      
6 A' 1527 1448 20.43      
7 A' 1362 1291 38.00      
8 A' 1215 1152 21.65      
9 A' 1065 1009 0.35      
10 A' 988 937 13.81      
11 A' 507 480 12.06      
12 A" 1113 1056 0.22      
13 A" 833 789 17.93      
14 A" 739 701 129.99      
15 A" 581 550 9.82      

Unscaled Zero Point Vibrational Energy (zpe) 12231.4 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 11595.4 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 MP2=FULL/3-21G*
ABC
2.07583 0.36472 0.31022

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.422 0.000
C2 1.160 -0.350 0.000
N3 -1.193 -0.164 0.000
H4 0.128 1.509 0.000
H5 2.145 0.099 0.000
H6 1.074 -1.429 0.000
H7 -1.957 0.534 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.39361.32951.09372.16952.14051.9599
C21.39362.36072.12571.08241.08303.2399
N31.32952.36072.13143.34882.59631.0348
H41.09372.12572.13142.46113.08642.3011
H52.16951.08243.34882.46111.86624.1250
H62.14051.08302.59633.08641.86623.6113
H71.95993.23991.03482.30114.12503.6113

picture of vinylazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.879 C1 C2 H6 119.076
C1 N3 H7 111.379 C2 C1 N3 120.189
C2 C1 H4 116.923 N3 C1 H4 122.888
H5 C2 H6 119.045
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at MP2=FULL/3-21G*
 hartrees
Energy at 0K-131.969128
Energy at 298.15K-131.973379
HF Energy-131.719920
Nuclear repulsion energy64.538439
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 MP2=FULL/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' 3299 3128 10.91      
2 A' 3273 3103 22.01      
3 A' 3193 3027 1.19      
4 A' 3187 3021 15.70      
5 A' 1579 1497 6.06      
6 A' 1496 1419 4.45      
7 A' 1404 1331 52.06      
8 A' 1180 1119 50.20      
9 A' 1064 1009 0.18      
10 A' 1015 962 1.39      
11 A' 511 484 9.02      
12 A" 1143 1084 55.09      
13 A" 855 811 81.80      
14 A" 741 703 7.42      
15 A" 556 527 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 12248.4 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 11611.5 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 MP2=FULL/3-21G*
ABC
1.97478 0.36318 0.30676

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.445 0.000
C2 1.143 -0.352 0.000
N3 -1.269 0.039 0.000
H4 0.140 1.523 0.000
H5 2.134 0.084 0.000
H6 1.075 -1.436 0.000
H7 -1.325 -0.999 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.39331.33181.08732.16372.16651.9599
C21.39332.44312.12681.08271.08602.5513
N31.33182.44312.04563.40242.76971.0403
H41.08732.12682.04562.45853.10362.9168
H52.16371.08273.40242.45851.85273.6245
H62.16651.08602.76973.10361.85272.4398
H71.95992.55131.04032.91683.62452.4398

picture of vinylazine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.310 C1 C2 H6 121.327
C1 N3 H7 110.828 C2 C1 N3 127.391
C2 C1 H4 117.511 N3 C1 H4 115.098
H5 C2 H6 117.363
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability