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 C4H5N ((Z)-2-Butenenitrile)

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-208.880049
Energy at 298.15K-208.884898
Nuclear repulsion energy142.849962
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 3349 3043 3.66      
2 A 3303 3001 9.93      
3 A 3261 2963 5.90      
4 A 3163 2874 15.15      
5 A 2571 2336 45.76      
6 A 1832 1665 25.34      
7 A 1601 1454 15.67      
8 A 1553 1411 1.49      
9 A 1515 1376 2.65      
10 A 1356 1232 1.66      
11 A 1213 1103 0.24      
12 A 1017 924 13.06      
13 A 943 857 0.67      
14 A 715 650 1.80      
15 A 439 399 0.58      
16 A 177 161 5.98      
17 A 3209 2915 16.33      
18 A 1600 1454 7.38      
19 A 1186 1078 1.06      
20 A 1090 990 2.57      
21 A 829 753 46.02      
22 A 583 530 1.28      
23 A 322 292 2.88      
24 A 164 149 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18495.0 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 16804.5 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
0.40947 0.11622 0.09205

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 -1.229 0.234 0.000
N2 -2.203 -0.336 0.000
C3 0.000 0.983 0.000
H4 -0.110 2.049 0.000
C5 1.192 0.415 0.000
H6 2.043 1.074 0.000
C7 1.491 -1.050 0.000
H8 0.594 -1.651 0.000
H9 2.082 -1.305 0.873
H10 2.082 -1.305 -0.873

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.12811.43922.13242.42833.37823.00832.62243.75453.7545
N21.12812.56723.17313.47714.47363.76243.09054.47904.4790
C31.43922.56721.07181.32072.04502.52092.69963.21423.2142
H42.13243.17311.07182.08932.36313.48783.76594.10064.1006
C52.42833.47711.32072.08931.07601.49482.15042.12412.1241
H63.37824.47362.04502.36311.07602.19403.08582.53432.5343
C73.00833.76242.52093.48781.49482.19401.07991.08451.0845
H82.62243.09052.69963.76592.15043.08581.07991.75941.7594
H93.75454.47903.21424.10062.12412.53431.08451.75941.7458
H103.75454.47903.21424.10062.12412.53431.08451.75941.7458

picture of (Z)-2-Butenenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.477 C1 C3 C5 123.192
N2 C1 C3 179.007 C3 C5 H6 116.768
C3 C5 C7 127.005 H4 C3 C5 121.331
C5 C7 H8 112.273 C5 C7 H9 109.855
C5 C7 H10 109.855 H6 C5 C7 116.227
H8 C7 H9 108.761 H8 C7 H10 108.761
H9 C7 H10 107.194
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 0.926      
2 N -1.128      
3 C 0.059      
4 H 0.135      
5 C -0.232      
6 H 0.121      
7 C -0.293      
8 H 0.143      
9 H 0.134      
10 H 0.134      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.425 1.262 0.000 4.601
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.130 -2.682 0.000
y -2.682 -27.622 0.000
z 0.000 0.000 -31.437
Traceless
 xyz
x -6.600 -2.682 0.000
y -2.682 6.161 0.000
z 0.000 0.000 0.439
Polar
3z2-r20.879
x2-y2-8.508
xy-2.682
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.461 -0.229 0.000
y -0.229 7.041 0.000
z 0.000 0.000 5.424


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