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All results from a given calculation for C2H6N2O (Urea, methyl-)

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-264.537556
Energy at 298.15K-264.545645
Nuclear repulsion energy183.008537
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 B3PW91/6-311G*
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 3718 3579 23.03      
2 A 3670 3533 30.74      
3 A 3602 3468 14.56      
4 A 3137 3020 19.82      
5 A 3063 2949 44.54      
6 A 3013 2900 54.31      
7 A 1821 1754 486.37      
8 A 1669 1606 142.69      
9 A 1540 1482 44.63      
10 A 1507 1450 18.33      
11 A 1498 1442 67.80      
12 A 1472 1417 19.37      
13 A 1417 1365 143.23      
14 A 1215 1170 3.90      
15 A 1160 1117 14.93      
16 A 1150 1107 19.71      
17 A 1089 1049 32.69      
18 A 898 864 4.65      
19 A 787 758 58.69      
20 A 601 578 41.30      
21 A 558 537 116.42      
22 A 534 514 53.82      
23 A 485 467 29.31      
24 A 386 371 144.17      
25 A 276 266 3.66      
26 A 151 146 3.63      
27 A 97 93 5.71      

Unscaled Zero Point Vibrational Energy (zpe) 20256.1 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 19500.5 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 B3PW91/6-311G*
ABC
0.32940 0.13944 0.10057

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.872 0.050 0.077
H2 -2.099 0.747 -0.739
H3 -2.687 -0.674 0.107
H4 -1.874 0.607 1.021
H5 -0.625 -1.657 -0.052
N6 -0.630 -0.655 -0.146
C7 0.626 -0.113 -0.018
H8 -0.063 1.803 -0.408
H9 1.589 1.643 -0.060
N10 0.660 1.269 0.047
O11 1.629 -0.798 0.058

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.09701.09051.09612.11781.44532.50502.56533.81172.80983.6018
H21.09701.75541.77972.90212.11542.94652.31713.85472.91524.1128
H31.09051.75541.77092.28972.07233.36243.64504.86553.87004.3176
H41.09611.77971.77092.80012.12212.80192.59823.77232.79393.8953
H52.11782.90212.28972.80011.00621.98793.52403.97363.19752.4145
N61.44532.11542.07232.12211.00621.37422.53703.19542.32472.2724
C72.50502.94653.36242.80191.98791.37422.07342.00251.38401.2169
H82.56532.31713.64502.59823.52402.53702.07341.69571.00743.1383
H93.81173.85474.86553.77233.97363.19542.00251.69571.00702.4440
N102.80982.91523.87002.79393.19752.32471.38401.00741.00702.2833
O113.60184.11284.31763.89532.41452.27241.21693.13832.44402.2833

picture of Urea, methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N6 H5 118.413 C1 N6 C7 125.338
H2 C1 H3 106.736 H2 C1 H4 108.486
H2 C1 N6 111.896 H3 C1 H4 108.175
H3 C1 N6 108.812 H4 C1 N6 112.511
H5 N6 C7 112.336 N6 C7 N10 114.881
N6 C7 O11 122.454 C7 N10 H8 119.402
C7 N10 H9 112.809 H8 N10 H9 114.657
N10 C7 O11 122.649
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.536      
2 H 0.222      
3 H 0.235      
4 H 0.239      
5 H 0.357      
6 N -0.599      
7 C 0.593      
8 H 0.344      
9 H 0.359      
10 N -0.804      
11 O -0.411      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.472 1.976 -0.655 4.048
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.170 5.380 -0.844
y 5.380 -25.999 -2.010
z -0.844 -2.010 -31.602
Traceless
 xyz
x -2.369 5.380 -0.844
y 5.380 5.387 -2.010
z -0.844 -2.010 -3.018
Polar
3z2-r2-6.035
x2-y2-5.171
xy5.380
xz-0.844
yz-2.010


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> 118.503
(<r2>)1/2 10.886