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 CH3CH2CH2CN (Butanenitrile)

using model chemistry: TPSSh/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/6-31G*
 hartrees
Energy at 0K-211.394256
Energy at 298.15K-211.401494
HF Energy-211.394256
Nuclear repulsion energy153.483877
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 TPSSh/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' 3127 3000 33.62      
2 A' 3069 2944 26.34      
3 A' 3054 2930 4.45      
4 A' 3049 2925 24.15      
5 A' 2343 2248 9.69      
6 A' 1548 1485 4.05      
7 A' 1533 1471 1.23      
8 A' 1507 1446 2.44      
9 A' 1450 1391 1.00      
10 A' 1400 1343 3.09      
11 A' 1317 1264 3.15      
12 A' 1122 1077 3.48      
13 A' 1050 1008 0.29      
14 A' 959 920 1.45      
15 A' 883 847 1.83      
16 A' 528 506 1.11      
17 A' 341 327 0.04      
18 A' 163 156 5.97      
19 A" 3127 3000 62.31      
20 A" 3105 2979 0.02      
21 A" 3088 2962 1.16      
22 A" 1543 1480 7.13      
23 A" 1344 1290 0.03      
24 A" 1276 1225 0.07      
25 A" 1142 1096 0.17      
26 A" 879 844 0.13      
27 A" 746 716 3.67      
28 A" 388 372 0.35      
29 A" 249 239 0.01      
30 A" 100 96 4.17      

Unscaled Zero Point Vibrational Energy (zpe) 22714.5 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 21792.3 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 TPSSh/6-31G*
ABC
0.79434 0.07471 0.07100

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.620 0.379 0.000
C2 -1.461 0.500 0.000
C3 0.000 0.634 0.000
C4 0.722 -0.731 0.000
C5 2.244 -0.559 0.000
H6 0.293 1.218 0.882
H7 0.293 1.218 -0.882
H8 0.406 -1.301 0.880
H9 0.406 -1.301 -0.880
H10 2.743 -1.534 0.000
H11 2.582 -0.009 0.887
H12 2.582 -0.009 -0.887

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16492.63213.52144.95363.15643.15643.57083.57085.69325.29105.2910
C21.16491.46722.50653.85392.09002.09002.73962.73964.67004.17054.1705
C32.63211.46721.54412.54181.09731.09732.16462.16463.49612.80492.8049
C43.52142.50651.54411.53162.18172.18171.09591.09592.17412.18292.1829
C54.95363.85392.54181.53162.78312.78312.16952.16951.09501.09651.0965
H63.15642.09001.09732.18172.78311.76332.52213.07663.78882.59783.1425
H73.15642.09001.09732.18172.78311.76333.07662.52213.78883.14252.5978
H83.57082.73962.16461.09592.16952.52213.07661.76052.50792.53113.0867
H93.57082.73962.16461.09592.16953.07662.52211.76052.50793.08672.5311
H105.69324.67003.49612.17411.09503.78883.78882.50792.50791.77121.7712
H115.29104.17052.80492.18291.09652.59783.14252.53113.08671.77121.7732
H125.29104.17052.80492.18291.09653.14252.59783.08672.53111.77121.7732

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.248 C2 C3 C4 112.658
C2 C3 H6 108.305 C2 C3 H7 108.305
C3 C4 C5 111.463 C3 C4 H8 108.972
C3 C4 H9 108.972 C4 C3 H6 110.226
C4 C3 H7 110.226 C4 C5 H10 110.628
C4 C5 H11 111.236 C4 C5 H12 111.236
C5 C4 H8 110.212 C5 C4 H9 110.212
H6 C3 H7 106.928 H8 C4 H9 106.887
H10 C5 H11 107.843 H10 C5 H12 107.843
H11 C5 H12 107.909
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.495      
2 C 0.369      
3 C -0.370      
4 C -0.297      
5 C -0.486      
6 H 0.208      
7 H 0.208      
8 H 0.180      
9 H 0.180      
10 H 0.174      
11 H 0.164      
12 H 0.164      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.070 0.051 0.000 4.071
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.031 -0.266 0.000
y -0.266 5.680 0.000
z 0.000 0.000 5.363


<r2> (average value of r2) Å2
<r2> 160.122
(<r2>)1/2 12.654