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 (Pentanenitrile)

using model chemistry: HF/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-311+G(3df,2p)
 hartrees
Energy at 0K-249.115720
Energy at 298.15K-249.125557
Nuclear repulsion energy212.172554
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/6-311+G(3df,2p)
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' 3217 2923 52.62      
2 A' 3192 2900 15.78      
3 A' 3168 2879 24.62      
4 A' 3154 2865 20.66      
5 A' 3142 2855 33.54      
6 A' 2582 2346 23.82      
7 A' 1630 1481 7.95      
8 A' 1617 1469 0.25      
9 A' 1609 1462 1.40      
10 A' 1598 1452 3.11      
11 A' 1542 1401 0.70      
12 A' 1537 1396 2.35      
13 A' 1480 1345 1.88      
14 A' 1388 1261 4.20      
15 A' 1213 1102 2.76      
16 A' 1123 1020 0.10      
17 A' 1078 979 0.23      
18 A' 992 901 1.38      
19 A' 950 863 5.11      
20 A' 595 541 0.84      
21 A' 407 370 1.02      
22 A' 307 279 2.21      
23 A' 137 124 7.47      
24 A" 3235 2940 38.38      
25 A" 3214 2920 66.71      
26 A" 3198 2906 1.06      
27 A" 3162 2873 8.20      
28 A" 1615 1468 6.85      
29 A" 1441 1309 0.09      
30 A" 1422 1292 0.36      
31 A" 1344 1222 0.00      
32 A" 1237 1124 0.03      
33 A" 1005 913 0.37      
34 A" 851 773 0.00      
35 A" 784 712 2.91      
36 A" 433 393 1.83      
37 A" 262 238 0.18      
38 A" 123 112 0.20      
39 A" 96 87 4.99      

Unscaled Zero Point Vibrational Energy (zpe) 30538.6 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 27747.4 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 HF/6-311+G(3df,2p)
ABC
0.51453 0.04458 0.04229

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.404 0.000
C2 1.423 0.954 0.000
C3 1.463 2.479 0.000
C4 -0.022 -1.129 0.000
N5 -2.441 -2.071 0.000
C6 -1.389 -1.668 0.000
H7 2.484 2.841 0.000
H8 -0.537 0.765 0.870
H9 -0.537 0.765 -0.870
H10 1.954 0.579 0.870
H11 1.954 0.579 -0.870
H12 0.968 2.883 -0.876
H13 0.968 2.883 0.876
H14 0.487 -1.519 -0.873
H15 0.487 -1.519 0.873

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.52592.53941.53253.47592.49413.48051.08461.08462.14652.14652.80252.80252.16702.1670
C21.52591.52532.53504.90743.84482.16502.15262.15261.08661.08662.16702.16702.78492.7849
C32.53941.52533.90145.99555.03321.08342.77382.77382.14712.14711.08461.08464.20724.2072
C41.53252.53503.90142.59621.46944.69482.14712.14712.75272.75274.22424.22421.08291.0829
N53.47594.90745.99552.59621.12686.95623.52553.52555.20545.20546.07746.07743.10463.1046
C62.49413.84485.03321.46941.12685.94432.72142.72144.12084.12085.19995.19992.07392.0739
H73.48052.16501.08344.69486.95625.94433.76743.76742.48152.48151.75161.75164.87494.8749
H81.08462.15262.77382.14713.52552.72143.76741.74052.49813.04463.13052.59813.05042.5036
H91.08462.15262.77382.14713.52552.72143.76741.74053.04462.49812.59813.13052.50363.0504
H102.14651.08662.14712.75275.20544.12082.48152.49813.04461.74043.05522.50703.09692.5601
H112.14651.08662.14712.75275.20544.12082.48153.04462.49811.74042.50703.05522.56013.0969
H122.80252.16701.08464.22426.07745.19991.75163.13052.59813.05522.50701.75234.42884.7615
H132.80252.16701.08464.22426.07745.19991.75162.59813.13052.50703.05521.75234.76154.4288
H142.16702.78494.20721.08293.10462.07394.87493.05042.50363.09692.56014.42884.76151.7450
H152.16702.78494.20721.08293.10462.07394.87492.50363.05042.56013.09694.76154.42881.7450

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.663 C1 C2 H10 109.348
C1 C2 H11 109.348 C1 C4 C6 112.357
C1 C4 H14 110.729 C1 C4 H15 110.729
C2 C1 C4 111.965 C2 C1 H8 109.947
C2 C1 H9 109.947 C2 C3 H7 111.047
C2 C3 H12 111.139 C2 C3 H13 111.139
C3 C2 H10 109.434 C3 C2 H11 109.434
C4 C1 H8 109.059 C4 C1 H9 109.059
C4 C6 N5 179.396 C6 C4 H14 107.733
C6 C4 H15 107.733 H7 C3 H12 107.795
H7 C3 H13 107.795 H8 C1 H9 106.716
H10 C2 H11 106.420 H12 C3 H13 107.768
H14 C4 H15 107.360
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.514      
2 C -0.099      
3 C -0.469      
4 C 0.034      
5 N -1.161      
6 C 0.938      
7 H 0.122      
8 H 0.153      
9 H 0.153      
10 H 0.124      
11 H 0.124      
12 H 0.132      
13 H 0.132      
14 H 0.165      
15 H 0.165      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.105 2.021 0.000 4.575
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.290 -8.792 0.000
y -8.792 -43.112 0.000
z 0.000 0.000 -37.136
Traceless
 xyz
x -9.166 -8.792 0.000
y -8.792 0.101 0.000
z 0.000 0.000 9.065
Polar
3z2-r218.131
x2-y2-6.178
xy-8.792
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.112 1.654 0.000
y 1.654 9.694 0.000
z 0.000 0.000 7.546


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000