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All results from a given calculation for H2CNCN (cyanamide, methylene)

using model chemistry: B3LYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-186.933716
Energy at 298.15K 
HF Energy-186.933716
Nuclear repulsion energy92.582800
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 B3LYP/aug-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' 3182 3079 4.16 85.50 0.58 0.73
2 A' 3064 2965 17.34 106.84 0.10 0.18
3 A' 2299 2224 37.43 237.73 0.23 0.38
4 A' 1698 1642 29.04 65.34 0.21 0.35
5 A' 1503 1454 15.18 26.76 0.37 0.54
6 A' 1226 1186 11.39 2.91 0.65 0.79
7 A' 955 924 6.34 2.03 0.09 0.17
8 A' 634 614 5.36 4.93 0.16 0.27
9 A' 255 247 6.03 8.87 0.45 0.62
10 A" 1099 1063 18.63 1.11 0.75 0.86
11 A" 779 753 1.67 1.80 0.75 0.86
12 A" 374 362 8.47 0.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8533.8 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 8256.4 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 B3LYP/aug-cc-pVTZ
ABC
2.30174 0.17998 0.16692

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.093 -1.557 0.000
N2 -0.595 -0.486 0.000
C3 0.000 0.711 0.000
N4 0.409 1.793 0.000
H5 -0.438 -2.502 0.000
H6 1.182 -1.573 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27222.27023.36491.08441.0896
N21.27221.33732.49072.02202.0830
C32.27021.33731.15653.24352.5726
N43.36492.49071.15654.37833.4544
H51.08442.02203.24354.37831.8679
H61.08962.08302.57263.45441.8679

picture of cyanamide, methylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 120.888 N2 C1 H5 117.967
N2 C1 H6 123.584 N2 C3 N4 174.296
H5 C1 H6 118.449
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.497      
2 N -0.029      
3 C 0.055      
4 N -0.356      
5 H 0.407      
6 H 0.420      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.434 -4.526 0.000 4.546
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.989 -2.674 0.000
y -2.674 -24.129 0.000
z 0.000 0.000 -22.992
Traceless
 xyz
x -0.428 -2.674 0.000
y -2.674 -0.639 0.000
z 0.000 0.000 1.066
Polar
3z2-r22.133
x2-y20.141
xy-2.674
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.642 0.344 0.000
y 0.344 9.048 0.000
z 0.000 0.000 3.688


<r2> (average value of r2) Å2
<r2> 70.573
(<r2>)1/2 8.401