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All results from a given calculation for C4H5N ((Z)-2-Butenenitrile)

using model chemistry: HF/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-208.885508
Energy at 298.15K-208.890348
HF Energy-208.885508
Nuclear repulsion energy142.845123
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/daug-cc-pVTZ
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' 3351 3031 3.69      
2 A' 3306 2990 10.05      
3 A' 3261 2950 5.93      
4 A' 3164 2862 15.65      
5 A' 2569 2324 45.78      
6 A' 1835 1660 25.55      
7 A' 1600 1448 15.32      
8 A' 1554 1405 1.40      
9 A' 1517 1372 2.67      
10 A' 1358 1228 1.72      
11 A' 1215 1099 0.26      
12 A' 1017 920 12.87      
13 A' 943 853 0.69      
14 A' 715 647 1.71      
15 A' 439 398 0.56      
16 A' 177 160 5.90      
17 A" 3209 2903 16.48      
18 A" 1600 1447 7.24      
19 A" 1188 1075 1.06      
20 A" 1091 987 2.58      
21 A" 830 750 46.24      
22 A" 583 527 1.24      
23 A" 323 292 2.83      
24 A" 165 150 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18504.0 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 16738.7 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/daug-cc-pVTZ
ABC
0.41023 0.11608 0.09200

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.229 0.232 0.000
N2 -2.205 -0.335 0.000
C3 0.000 0.981 0.000
H4 -0.109 2.047 0.000
C5 1.193 0.415 0.000
H6 2.042 1.075 0.000
C7 1.492 -1.049 0.000
H8 0.595 -1.650 0.000
H9 2.084 -1.304 0.873
H10 2.084 -1.304 -0.873

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.12851.43932.13262.42883.37823.00812.62133.75443.7544
N21.12852.56773.17273.47924.47493.76533.09324.48204.4820
C31.43932.56771.07161.32052.04452.51992.69773.21323.2132
H42.13263.17271.07162.08832.36143.48623.76384.09894.0989
C52.42883.47921.32052.08831.07571.49422.14942.12342.1234
H63.37824.47492.04452.36141.07572.19373.08502.53392.5339
C73.00813.76532.51993.48621.49422.19371.07981.08441.0844
H82.62133.09322.69773.76382.14943.08501.07981.75971.7597
H93.75444.48203.21324.09892.12342.53391.08441.75971.7455
H103.75444.48203.21324.09892.12342.53391.08441.75971.7455

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 115.496 C1 C3 C5 123.241
N2 C1 C3 178.833 C3 C5 H6 116.762
C3 C5 C7 126.970 H4 C3 C5 121.262
C5 C7 H8 112.244 C5 C7 H9 109.848
C5 C7 H10 109.848 H6 C5 C7 116.269
H8 C7 H9 108.792 H8 C7 H10 108.792
H9 C7 H10 107.176
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.705      
2 N -1.243      
3 C -0.150      
4 H 0.668      
5 C -0.273      
6 H 0.572      
7 C -1.055      
8 H 0.234      
9 H 0.271      
10 H 0.271      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.417 1.253 0.000 4.592
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.160 -2.648 0.000
y -2.648 -27.684 0.000
z 0.000 0.000 -31.336
Traceless
 xyz
x -6.650 -2.648 0.000
y -2.648 6.064 0.000
z 0.000 0.000 0.587
Polar
3z2-r21.173
x2-y2-8.476
xy-2.648
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.529 -0.238 0.000
y -0.238 7.128 0.000
z 0.000 0.000 5.494


<r2> (average value of r2) Å2
<r2> 125.539
(<r2>)1/2 11.204