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All results from a given calculation for NH2COOH (Carbamic acid)

using model chemistry: MP4/aug-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 MP4/aug-cc-pVTZ
 hartrees
Energy at 0K-244.829697
Energy at 298.15K 
HF Energy-243.927028
Nuclear repulsion energy123.155975
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 MP4/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' 3779 3677        
2 A' 3773 3672        
3 A' 3630 3532        
4 A' 1800 1752        
5 A' 1613 1570        
6 A' 1417 1379        
7 A' 1224 1191        
8 A' 1068 1039        
9 A' 940 915        
10 A' 575 560        
11 A' 481 468        
12 A" 770 749        
13 A" 586 571        
14 A" 474 461        
15 A" 270i 263i        

Unscaled Zero Point Vibrational Energy (zpe) 10929.7 cm-1
Scaled (by 0.9732) Zero Point Vibrational Energy (zpe) 10636.8 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 MP4/aug-cc-pVTZ
ABC
0.38196 0.36179 0.18580

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.131 0.000
O2 -0.074 1.347 0.000
N3 1.145 -0.599 0.000
O4 -1.088 -0.695 0.000
H5 2.021 -0.111 0.000
H6 1.117 -1.602 0.000
H7 -1.852 -0.101 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 O4 H5 H6 H7
C11.21791.35801.36662.03552.06201.8664
O21.21792.29622.28002.55253.18032.2925
N31.35802.29622.23541.00291.00333.0381
O41.36662.28002.23543.16392.38480.9677
H52.03552.55251.00293.16391.74353.8730
H62.06203.18031.00332.38481.74353.3271
H71.86642.29253.03810.96773.87303.3271

picture of Carbamic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 118.349 C1 N3 H6 120.945
C1 O4 H7 104.888 O2 C1 N3 126.021
O2 C1 O4 123.713 N3 C1 O4 110.266
H5 N3 H6 120.706
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability