return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2CHNH (vinylazine)

using model chemistry: CCD/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 CCD/6-31G
 hartrees
Energy at 0K-132.686337
Energy at 298.15K-132.690571
HF Energy-132.408881
Nuclear repulsion energy64.263331
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 CCD/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' 3383 3246 10.99      
2 A' 3263 3131 8.01      
3 A' 3157 3029 5.86      
4 A' 3071 2947 36.95      
5 A' 1551 1488 15.15      
6 A' 1502 1441 12.17      
7 A' 1356 1301 26.14      
8 A' 1217 1167 21.47      
9 A' 1108 1063 10.67      
10 A' 1018 977 10.62      
11 A' 506 485 13.31      
12 A" 1076 1032 0.04      
13 A" 819 786 14.47      
14 A" 726 696 144.26      
15 A" 563 540 6.58      

Unscaled Zero Point Vibrational Energy (zpe) 12157.1 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 11664.7 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 CCD/6-31G
ABC
2.05658 0.35997 0.30635

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.425 0.000
C2 1.168 -0.349 0.000
N3 -1.199 -0.166 0.000
H4 0.108 1.520 0.000
H5 2.160 0.106 0.000
H6 1.093 -1.437 0.000
H7 -1.976 0.516 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40171.33711.10022.18312.15941.9776
C21.40172.37502.14871.09051.09083.2607
N31.33712.37502.13353.37002.62151.0327
H41.10022.14872.13352.49153.11682.3134
H52.18311.09053.37002.49151.87564.1554
H62.15941.09082.62153.11681.87563.6373
H71.97763.26071.03272.31344.15543.6373

picture of vinylazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.828 C1 C2 H6 119.562
C1 N3 H7 112.504 C2 C1 N3 120.252
C2 C1 H4 117.869 N3 C1 H4 121.879
H5 C2 H6 118.610
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at CCD/6-31G
 hartrees
Energy at 0K-132.685353
Energy at 298.15K-132.689572
HF Energy-132.407862
Nuclear repulsion energy64.171132
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 CCD/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' 3324 3189 25.44      
2 A' 3244 3113 12.13      
3 A' 3156 3028 12.06      
4 A' 3138 3011 10.12      
5 A' 1541 1478 5.36      
6 A' 1475 1416 2.46      
7 A' 1380 1324 38.35      
8 A' 1185 1137 51.61      
9 A' 1139 1093 5.65      
10 A' 1016 975 1.73      
11 A' 500 480 10.46      
12 A" 1100 1055 63.62      
13 A" 826 793 80.83      
14 A" 722 693 14.01      
15 A" 539 518 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 12142.6 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 11650.8 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 CCD/6-31G
ABC
1.93489 0.35999 0.30352

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.452 0.000
C2 1.149 -0.355 0.000
N3 -1.272 0.035 0.000
H4 0.127 1.538 0.000
H5 2.149 0.080 0.000
H6 1.080 -1.447 0.000
H7 -1.343 -1.000 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40391.33871.09402.18042.18411.9774
C21.40392.45232.15141.09051.09372.5736
N31.33872.45232.05403.42112.77991.0373
H41.09402.15142.05402.49223.13332.9333
H52.18041.09053.42112.49221.86393.6546
H62.18411.09372.77993.13331.86392.4634
H71.97742.57361.03732.93333.65462.4634

picture of vinylazine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.375 C1 C2 H6 121.472
C1 N3 H7 112.037 C2 C1 N3 126.774
C2 C1 H4 118.398 N3 C1 H4 114.828
H5 C2 H6 117.153
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability