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: PBEPBEultrafine/cc-pVDZ

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 PBEPBEultrafine/cc-pVDZ
 hartrees
Energy at 0K-133.130859
Energy at 298.15K-133.134953
HF Energy-133.130859
Nuclear repulsion energy64.279598
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 PBEPBEultrafine/cc-pVDZ
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' 3314 3295 1.72      
2 A' 3205 3187 3.61      
3 A' 3084 3066 2.56      
4 A' 2951 2934 59.64      
5 A' 1471 1463 4.20      
6 A' 1403 1395 4.21      
7 A' 1311 1303 38.41      
8 A' 1226 1219 4.49      
9 A' 1098 1092 23.07      
10 A' 953 948 11.86      
11 A' 468 465 9.31      
12 A" 1009 1003 0.00      
13 A" 785 780 7.79      
14 A" 634 630 82.41      
15 A" 513 510 5.79      

Unscaled Zero Point Vibrational Energy (zpe) 11712.3 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 11644.3 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 PBEPBEultrafine/cc-pVDZ
ABC
2.03637 0.36192 0.30730

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.421 0.000
C2 1.159 -0.380 0.000
N3 -1.201 -0.140 0.000
H4 0.156 1.525 0.000
H5 2.164 0.065 0.000
H6 1.051 -1.475 0.000
H7 -1.917 0.614 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40851.32531.11462.19282.16741.9265
C21.40852.37212.15231.09901.10033.2321
N31.32532.37212.14703.37102.61811.0391
H41.11462.15232.14702.48243.13002.2637
H52.19281.09903.37102.48241.89994.1172
H62.16741.10032.61813.13001.89993.6290
H71.92653.23211.03912.26374.11723.6290

picture of vinylazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.482 C1 C2 H6 119.010
C1 N3 H7 108.523 C2 C1 N3 120.351
C2 C1 H4 116.611 N3 C1 H4 123.038
H5 C2 H6 119.509
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.045      
2 C 0.024      
3 N -0.145      
4 H -0.006      
5 H 0.042      
6 H 0.041      
7 H 0.089      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.876 1.408 0.000 1.658
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.831 -2.501 0.000
y -2.501 -17.780 0.000
z 0.000 0.000 -19.862
Traceless
 xyz
x 1.990 -2.501 0.000
y -2.501 0.567 0.000
z 0.000 0.000 -2.557
Polar
3z2-r2-5.113
x2-y20.948
xy-2.501
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.715 -0.513 0.000
y -0.513 4.470 0.000
z 0.000 0.000 2.067


<r2> (average value of r2) Å2
<r2> 45.925
(<r2>)1/2 6.777

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at PBEPBEultrafine/cc-pVDZ
 hartrees
Energy at 0K-133.130866
Energy at 298.15K-133.134926
HF Energy-133.130866
Nuclear repulsion energy64.260588
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 PBEPBEultrafine/cc-pVDZ
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' 3249 3230 14.94      
2 A' 3180 3161 8.29      
3 A' 3065 3047 4.16      
4 A' 3021 3004 23.76      
5 A' 1442 1434 5.29      
6 A' 1407 1399 4.23      
7 A' 1349 1341 10.43      
8 A' 1221 1214 29.14      
9 A' 1121 1114 31.20      
10 A' 948 942 0.56      
11 A' 469 466 7.14      
12 A" 1039 1033 42.34      
13 A" 789 784 49.49      
14 A" 646 643 6.34      
15 A" 451 448 0.51      

Unscaled Zero Point Vibrational Energy (zpe) 11697.7 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 11629.9 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 PBEPBEultrafine/cc-pVDZ
ABC
1.94547 0.36147 0.30484

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.446 0.000
C2 1.138 -0.385 0.000
N3 -1.270 0.073 0.000
H4 0.173 1.543 0.000
H5 2.156 0.033 0.000
H6 1.028 -1.482 0.000
H7 -1.294 -0.971 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40951.32411.11012.19522.18501.9196
C21.40952.45172.15601.10031.10262.5022
N31.32412.45172.06023.42652.77451.0443
H41.11012.15602.06022.49223.14332.9110
H52.19521.10033.42652.49221.88923.5936
H62.18501.10262.77453.14331.88922.3775
H71.91962.50221.04432.91103.59362.3775

picture of vinylazine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.516 C1 C2 H6 120.384
C1 N3 H7 107.705 C2 C1 N3 127.470
C2 C1 H4 117.181 N3 C1 H4 115.349
H5 C2 H6 118.100
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.036      
2 C -0.004      
3 N -0.140      
4 H 0.023      
5 H 0.044      
6 H 0.037      
7 H 0.076      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.862 -0.983 0.000 2.105
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.430 1.909 0.000
y 1.909 -16.471 0.000
z 0.000 0.000 -19.869
Traceless
 xyz
x -2.260 1.909 0.000
y 1.909 3.679 0.000
z 0.000 0.000 -1.419
Polar
3z2-r2-2.837
x2-y2-3.960
xy1.909
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.382 -0.119 0.000
y -0.119 4.610 0.000
z 0.000 0.000 2.079


<r2> (average value of r2) Å2
<r2> 45.941
(<r2>)1/2 6.778