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

using model chemistry: BLYP/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 BLYP/cc-pVTZ
 hartrees
Energy at 0K-210.149473
Energy at 298.15K 
Nuclear repulsion energy140.966406
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 BLYP/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 3096 3087 6.62      
2 A 3074 3065 8.40      
3 A 3041 3032 2.91      
4 A 2950 2941 9.96      
5 A 2225 2218 11.76      
6 A 1619 1615 13.30      
7 A 1447 1442 17.30      
8 A 1393 1388 5.23      
9 A 1370 1366 3.44      
10 A 1237 1233 0.73      
11 A 1095 1092 0.31      
12 A 943 940 14.54      
13 A 872 869 3.03      
14 A 653 651 1.13      
15 A 384 382 0.10      
16 A 153 153 4.44      
17 A 2983 2974 10.97      
18 A 1445 1440 7.08      
19 A 1038 1034 0.47      
20 A 957 954 0.58      
21 A 730 727 33.47      
22 A 514 513 2.73      
23 A 281 281 2.79      
24 A 144 144 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 16820.8 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 16770.3 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 BLYP/cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVTZ Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.231 0.257 0.000
N2 -2.250 -0.310 0.000
C3 0.000 0.980 0.000
H4 -0.091 2.065 0.000
C5 1.218 0.400 0.000
H6 2.082 1.066 0.000
C7 1.506 -1.070 0.000
H8 0.592 -1.673 0.000
H9 2.107 -1.343 0.880
H10 2.107 -1.343 -0.880

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.16611.42762.13722.45293.40993.04172.65523.80453.8045
N21.16612.59353.20953.53954.54483.83173.15204.56294.5629
C31.42762.59351.08901.34852.08332.54342.71803.25673.2567
H42.13723.20951.08902.11782.39163.51833.79994.14944.1494
C52.45293.53951.34852.11781.09071.49812.16522.14522.1452
H63.40994.54482.08332.39161.09072.21213.11742.56432.5643
C73.04173.83172.54343.51831.49812.21211.09441.09971.0997
H82.65523.15202.71803.79992.16523.11741.09441.78211.7821
H93.80454.56293.25674.14942.14522.56431.09971.78211.7594
H103.80454.56293.25674.14942.14522.56431.09971.78211.7594

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 115.601 C1 C3 C5 124.127
N2 C1 C3 178.700 C3 C5 H6 116.922
C3 C5 C7 126.549 H4 C3 C5 120.272
C5 C7 H8 112.339 C5 C7 H9 110.395
C5 C7 H10 110.395 H6 C5 C7 116.528
H8 C7 H9 108.627 H8 C7 H10 108.627
H9 C7 H10 106.247
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.066      
2 N -0.068      
3 C -0.106      
4 H 0.125      
5 C -0.063      
6 H 0.115      
7 C -0.255      
8 H 0.111      
9 H 0.104      
10 H 0.104      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.019 1.064 0.000 4.157
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.882 -2.445 0.000
y -2.445 -27.738 0.000
z 0.000 0.000 -31.139
Traceless
 xyz
x -6.444 -2.445 0.000
y -2.445 5.773 0.000
z 0.000 0.000 0.670
Polar
3z2-r21.341
x2-y2-8.144
xy-2.445
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 128.336
(<r2>)1/2 11.329