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 C5H9N (Propanenitrile, 2,2-dimethyl-)

using model chemistry: HF/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-249.061689
Energy at 298.15K-249.071513
HF Energy-249.061689
Nuclear repulsion energy228.048678
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 HF/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3256 2948 65.55      
2 A1 3183 2882 14.28      
3 A1 2591 2346 15.58      
4 A1 1637 1482 8.45      
5 A1 1562 1414 1.72      
6 A1 1377 1247 21.39      
7 A1 937 849 0.26      
8 A1 722 654 3.58      
9 A1 401 363 0.79      
10 A2 3253 2945 0.00      
11 A2 1596 1445 0.00      
12 A2 1051 951 0.00      
13 A2 230 209 0.00      
14 E 3259 2951 39.77      
14 E 3259 2951 39.77      
15 E 3247 2940 3.02      
15 E 3247 2940 3.02      
16 E 3175 2875 21.10      
16 E 3175 2875 21.10      
17 E 1619 1466 5.77      
17 E 1619 1466 5.77      
18 E 1605 1453 0.31      
18 E 1605 1453 0.31      
19 E 1529 1385 3.41      
19 E 1529 1385 3.41      
20 E 1345 1218 4.03      
20 E 1345 1218 4.03      
21 E 1144 1036 0.09      
21 E 1144 1036 0.09      
22 E 1012 916 0.88      
22 E 1012 916 0.88      
23 E 641 581 0.28      
23 E 641 581 0.28      
24 E 383 347 0.57      
24 E 383 347 0.57      
25 E 295 267 0.14      
25 E 295 267 0.14      
26 E 207 188 5.69      
26 E 207 188 5.69      

Unscaled Zero Point Vibrational Energy (zpe) 30357.4 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 27488.6 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 HF/6-31G(2df,p)
ABC
0.15081 0.09252 0.09252

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.281
C2 0.000 0.000 1.202
C3 0.000 1.459 -0.767
C4 1.263 -0.729 -0.767
C5 -1.263 -0.729 -0.767
N6 0.000 0.000 2.333
H7 0.000 1.479 -1.852
H8 1.281 -0.740 -1.852
H9 -1.281 -0.740 -1.852
H10 -0.879 1.987 -0.414
H11 0.879 1.987 -0.414
H12 2.160 -0.233 -0.414
H13 1.282 -1.755 -0.414
H14 -1.282 -1.755 -0.414
H15 -2.160 -0.233 -0.414

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.48341.53751.53751.53752.61392.15782.15782.15782.17702.17702.17702.17702.17702.1770
C21.48342.45062.45062.45061.13063.39373.39373.39372.70822.70822.70822.70822.70822.7082
C31.53752.45062.52672.52673.42581.08542.76622.76621.08441.08442.76643.47763.47762.7664
C41.53752.45062.52672.52673.42582.76621.08542.76623.47762.76641.08441.08442.76643.4776
C51.53752.45062.52672.52673.42582.76622.76621.08542.76643.47763.47762.76641.08441.0844
N62.61391.13063.42583.42583.42584.43874.43874.43873.50253.50253.50253.50253.50253.5025
H72.15783.39371.08542.76622.76624.43872.56212.56211.76011.76013.10893.76413.76413.1089
H82.15783.39372.76621.08542.76624.43872.56212.56213.76413.10891.76011.76013.10893.7641
H92.15783.39372.76622.76621.08544.43872.56212.56213.10893.76413.76413.10891.76011.7601
H102.17702.70821.08443.47762.76643.50251.76013.76413.10891.75763.76364.32093.76362.5633
H112.17702.70821.08442.76643.47763.50251.76013.10893.76411.75762.56333.76364.32093.7636
H122.17702.70822.76641.08443.47763.50253.10891.76013.76413.76362.56331.75763.76364.3209
H132.17702.70823.47761.08442.76643.50253.76411.76013.10894.32093.76361.75762.56333.7636
H142.17702.70823.47762.76641.08443.50253.76413.10891.76013.76364.32093.76362.56331.7576
H152.17702.70822.76643.47761.08443.50253.10893.76411.76012.56333.76364.32093.76361.7576

picture of Propanenitrile, 2,2-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N6 180.000 C1 C3 H7 109.497
C1 C3 H10 111.080 C1 C3 H11 111.080
C1 C4 H8 109.497 C1 C4 H12 111.080
C1 C4 H13 111.080 C1 C5 H9 109.497
C1 C5 H14 111.080 C1 C5 H15 111.080
C2 C1 C3 108.417 C2 C1 C4 108.417
C2 C1 C5 108.417 C3 C1 C4 110.504
C3 C1 C5 110.504 C4 C1 C5 110.504
H7 C3 H10 108.420 H7 C3 H11 108.420
H8 C4 H12 108.420 H8 C4 H13 108.420
H9 C5 H14 108.420 H9 C5 H15 108.420
H10 C3 H11 108.263 H12 C4 H13 108.263
H14 C5 H15 108.263
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.048      
2 C 0.155      
3 C -0.411      
4 C -0.411      
5 C -0.411      
6 N -0.246      
7 H 0.145      
8 H 0.145      
9 H 0.145      
10 H 0.156      
11 H 0.156      
12 H 0.156      
13 H 0.156      
14 H 0.156      
15 H 0.156      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -4.199 4.199
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.576 0.000 0.000
y 0.000 -36.576 0.000
z 0.000 0.000 -47.713
Traceless
 xyz
x 5.568 0.000 0.000
y 0.000 5.568 0.000
z 0.000 0.000 -11.137
Polar
3z2-r2-22.274
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.404 0.000 0.000
y 0.000 7.404 0.000
z 0.000 0.000 9.197


<r2> (average value of r2) Å2
<r2> 167.510
(<r2>)1/2 12.943