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: B1B95/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B1B95/STO-3G
 hartrees
Energy at 0K-247.514539
Energy at 298.15K-247.523429
Nuclear repulsion energy223.792880
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 B1B95/STO-3G
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 3518 3106 0.19      
2 A1 3342 2951 0.24      
3 A1 2413 2131 11.01      
4 A1 1682 1485 8.37      
5 A1 1577 1392 0.28      
6 A1 1376 1215 29.63      
7 A1 947 837 1.25      
8 A1 721 637 0.84      
9 A1 372 329 0.69      
10 A2 3518 3107 0.00      
11 A2 1664 1469 0.00      
12 A2 1054 931 0.00      
13 A2 208 183 0.00      
14 E 3521 3109 0.08      
14 E 3521 3109 0.08      
15 E 3516 3105 0.06      
15 E 3516 3105 0.06      
16 E 3341 2950 0.36      
16 E 3341 2950 0.36      
17 E 1676 1480 5.01      
17 E 1676 1480 5.01      
18 E 1668 1472 0.62      
18 E 1668 1472 0.62      
19 E 1551 1370 1.39      
19 E 1551 1370 1.39      
20 E 1357 1199 8.21      
20 E 1357 1199 8.21      
21 E 1134 1002 0.02      
21 E 1134 1002 0.02      
22 E 1025 906 2.85      
22 E 1025 906 2.85      
23 E 582 514 0.06      
23 E 582 514 0.06      
24 E 351 310 0.02      
24 E 351 310 0.02      
25 E 246 217 0.16      
25 E 246 217 0.16      
26 E 185 164 2.14      
26 E 185 164 2.14      

Unscaled Zero Point Vibrational Energy (zpe) 31349.2 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 27681.3 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 B1B95/STO-3G
ABC
0.14754 0.08834 0.08834

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.287
C2 0.000 0.000 1.218
C3 0.000 1.476 -0.789
C4 1.278 -0.738 -0.789
C5 -1.278 -0.738 -0.789
N6 0.000 0.000 2.411
H7 0.000 1.486 -1.887
H8 1.287 -0.743 -1.887
H9 -1.287 -0.743 -1.887
H10 -0.892 2.006 -0.432
H11 0.892 2.006 -0.432
H12 2.183 -0.230 -0.432
H13 1.291 -1.776 -0.432
H14 -1.291 -1.776 -0.432
H15 -2.183 -0.230 -0.432

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.50481.55941.55941.55942.69752.18412.18412.18412.19992.19992.19992.19992.19992.1999
C21.50482.49182.49182.49181.19273.44263.44263.44262.74592.74592.74592.74592.74592.7459
C31.55942.49182.55672.55673.52421.09792.79042.79041.09761.09762.79363.51683.51682.7936
C41.55942.49182.55672.55673.52422.79041.09792.79043.51682.79361.09761.09762.79363.5168
C51.55942.49182.55672.55673.52422.79042.79041.09792.79363.51683.51682.79361.09761.0976
N62.69751.19273.52423.52423.52424.54774.54774.54773.59143.59143.59143.59143.59143.5914
H72.18413.44261.09792.79042.79044.54772.57412.57411.78471.78473.13523.79793.79793.1352
H82.18413.44262.79041.09792.79044.54772.57412.57413.79793.13521.78471.78473.13523.7979
H92.18413.44262.79042.79041.09794.54772.57412.57413.13523.79793.79793.13521.78471.7847
H102.19992.74591.09763.51682.79363.59141.78473.79793.13521.78503.80214.36613.80212.5812
H112.19992.74591.09762.79363.51683.59141.78473.13523.79791.78502.58123.80214.36613.8021
H122.19992.74592.79361.09763.51683.59143.13521.78473.79793.80212.58121.78503.80214.3661
H132.19992.74593.51681.09762.79363.59143.79791.78473.13524.36613.80211.78502.58123.8021
H142.19992.74593.51682.79361.09763.59143.79793.13521.78473.80214.36613.80212.58121.7850
H152.19992.74592.79363.51681.09763.59143.13523.79791.78472.58123.80214.36613.80211.7850

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 109.331
C1 C3 H10 110.579 C1 C3 H11 110.579
C1 C4 H8 109.331 C1 C4 H12 110.578
C1 C4 H13 110.579 C1 C5 H9 109.331
C1 C5 H14 110.579 C1 C5 H15 110.578
C2 C1 C3 108.807 C2 C1 C4 108.807
C2 C1 C5 108.807 C3 C1 C4 110.128
C3 C1 C5 110.128 C4 C1 C5 110.127
H7 C3 H10 108.755 H7 C3 H11 108.755
H8 C4 H12 108.755 H8 C4 H13 108.755
H9 C5 H14 108.755 H9 C5 H15 108.755
H10 C3 H11 108.798 H12 C4 H13 108.798
H14 C5 H15 108.798
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.033      
2 C 0.055      
3 C -0.223      
4 C -0.223      
5 C -0.223      
6 N -0.197      
7 H 0.084      
8 H 0.084      
9 H 0.084      
10 H 0.087      
11 H 0.087      
12 H 0.087      
13 H 0.087      
14 H 0.087      
15 H 0.087      


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 -3.244 3.244
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.135 0.000 0.000
y 0.000 -34.135 0.000
z 0.000 0.000 -42.908
Traceless
 xyz
x 4.386 0.000 0.000
y 0.000 4.386 0.000
z 0.000 0.000 -8.773
Polar
3z2-r2-17.545
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 3.745 0.000 0.000
y 0.000 3.745 0.000
z 0.000 0.000 5.569


<r2> (average value of r2) Å2
<r2> 171.004
(<r2>)1/2 13.077