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All results from a given calculation for C3H4N2 (1H-Imidazole)

using model chemistry: wB97X-D/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-226.157588
Energy at 298.15K-226.163599
HF Energy-226.157588
Nuclear repulsion energy163.298404
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 wB97X-D/cc-pVDZ
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' 3701 3526 69.85      
2 A' 3316 3159 0.74      
3 A' 3280 3125 1.00      
4 A' 3275 3120 5.69      
5 A' 1589 1513 13.49      
6 A' 1536 1463 18.31      
7 A' 1478 1408 10.09      
8 A' 1401 1334 7.36      
9 A' 1278 1218 0.87      
10 A' 1200 1144 4.19      
11 A' 1153 1098 2.48      
12 A' 1105 1053 28.83      
13 A' 1084 1033 28.89      
14 A' 946 901 2.47      
15 A' 908 865 7.77      
16 A" 886 844 3.68      
17 A" 828 788 27.38      
18 A" 737 702 33.96      
19 A" 688 655 3.33      
20 A" 653 623 10.95      
21 A" 534 508 89.69      

Unscaled Zero Point Vibrational Energy (zpe) 15787.3 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 15039.0 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 wB97X-D/cc-pVDZ
ABC
0.32661 0.31340 0.15993

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 1.103 0.000
C2 -1.086 0.281 0.000
C3 1.117 0.301 0.000
N4 -0.742 -0.985 0.000
C5 0.633 -0.982 0.000
H6 -0.012 2.112 0.000
H7 -2.103 0.666 0.000
H8 2.123 0.709 0.000
H9 1.200 -1.910 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 N4 C5 H6 H7 H8 H9
N11.36171.37542.21612.17901.00962.14802.15893.2428
C21.36172.20331.31242.13312.12291.08773.23693.1665
C31.37542.20332.26081.37152.13473.24121.08492.2120
N42.21611.31242.26081.37483.18262.14023.32812.1511
C52.17902.13311.37151.37483.16113.19422.25371.0873
H61.00962.12292.13473.18263.16112.54262.55464.2007
H72.14801.08773.24122.14023.19422.54264.22604.1891
H82.15893.23691.08493.32812.25372.55464.22602.7761
H93.24283.16652.21202.15111.08734.20074.18912.7761

picture of 1H-Imidazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 N4 111.922 N1 C2 H7 122.154
N1 C3 C5 104.985 N1 C3 H8 122.238
C2 N1 C3 107.214 C2 N1 H6 126.440
C2 N4 C5 105.064 C3 N1 H6 126.346
C3 C5 N4 110.816 C3 C5 H9 127.843
N4 C2 H7 125.924 N4 C5 H9 121.341
C5 C3 H8 132.777
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.100      
2 C 0.129      
3 C 0.004      
4 N -0.232      
5 C 0.005      
6 H 0.113      
7 H 0.039      
8 H 0.029      
9 H 0.014      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.036 3.585 0.000 3.732
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.270 -3.060 0.000
y -3.060 -25.008 0.000
z 0.000 0.000 -31.257
Traceless
 xyz
x 1.863 -3.060 0.000
y -3.060 3.755 0.000
z 0.000 0.000 -5.618
Polar
3z2-r2-11.236
x2-y2-1.261
xy-3.060
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.248 -0.241 0.000
y -0.241 6.862 0.000
z 0.000 0.000 2.955


<r2> (average value of r2) Å2
<r2> 79.546
(<r2>)1/2 8.919