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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: LSDA/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes Cs 1A'
1 2 no C2V 1A1

Conformer 1 (Cs)

Jump to S1C2
Energy calculated at LSDA/aug-cc-pVDZ
 hartrees
Energy at 0K-147.988317
Energy at 298.15K-147.990434
Nuclear repulsion energy59.148746
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 LSDA/aug-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' 3475 3436 52.44      
2 A' 2324 2298 120.04      
3 A' 1532 1514 46.09      
4 A' 1121 1109 8.82      
5 A' 508 502 9.06      
6 A' 394 389 212.37      
7 A" 3579 3538 85.72      
8 A" 1107 1095 0.38      
9 A" 395 391 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 7217.4 cm-1
Scaled (by 0.9887) Zero Point Vibrational Energy (zpe) 7135.9 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 LSDA/aug-cc-pVDZ
ABC
10.32856 0.33822 0.32931

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.214 0.000
N2 -0.002 1.386 0.000
N3 0.063 -1.115 0.000
H4 -0.214 -1.591 0.860
H5 -0.214 -1.591 -0.860

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.17221.32972.01012.0101
N21.17222.50123.10533.1053
N31.32972.50121.02131.0213
H42.01013.10531.02131.7201
H52.01013.10531.02131.7201

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 116.911 C1 N3 H5 116.911
N2 C1 N3 177.379 H4 N3 H5 114.726
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.089      
2 N -0.105      
3 N 0.154      
4 H 0.020      
5 H 0.020      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.812 -4.719 0.000 4.789
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.901 1.585 0.000
y 1.585 -18.653 0.000
z 0.000 0.000 -15.251
Traceless
 xyz
x -1.949 1.585 0.000
y 1.585 -1.577 0.000
z 0.000 0.000 3.526
Polar
3z2-r27.052
x2-y2-0.248
xy1.585
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.115 0.011 0.000
y 0.011 6.030 0.000
z 0.000 0.000 3.211


<r2> (average value of r2) Å2
<r2> 40.065
(<r2>)1/2 6.330

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at LSDA/aug-cc-pVDZ
 hartrees
Energy at 0K-147.987930
Energy at 298.15K 
HF Energy-147.987930
Nuclear repulsion energy59.218864
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 LSDA/aug-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 A1 3518 3479 71.61      
2 A1 2326 2299 138.15      
3 A1 1531 1514 51.78      
4 A1 1140 1127 8.96      
5 B1 512 507 0.00      
6 B1 277i 274i 228.59      
7 B2 3636 3595 106.19      
8 B2 1074 1061 2.02      
9 B2 393 388 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 6925.9 cm-1
Scaled (by 0.9887) Zero Point Vibrational Energy (zpe) 6847.6 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 LSDA/aug-cc-pVDZ
ABC
10.91224 0.33880 0.32860

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.215
N2 0.000 0.000 1.388
N3 0.000 0.000 -1.107
H4 0.000 0.875 -1.625
H5 0.000 -0.875 -1.625

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.17311.32172.03732.0373
N21.17312.49483.13743.1374
N31.32172.49481.01721.0172
H42.03733.13741.01721.7509
H52.03733.13741.01721.7509

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.609 C1 N3 H5 120.609
N2 C1 N3 180.000 H4 N3 H5 118.781
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.108      
2 N -0.113      
3 N 0.244      
4 H -0.012      
5 H -0.012      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -4.943 4.943
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.127 0.000 0.000
y 0.000 -15.085 0.000
z 0.000 0.000 -18.186
Traceless
 xyz
x -2.492 0.000 0.000
y 0.000 3.572 0.000
z 0.000 0.000 -1.080
Polar
3z2-r2-2.160
x2-y2-4.042
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.106 0.000 0.000
y 0.000 3.203 0.000
z 0.000 0.000 6.057


<r2> (average value of r2) Å2
<r2> 40.060
(<r2>)1/2 6.329